{"title":"Diamond Grinding Cups","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 9.0pt; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eDiamond Grinding Cups — DiStar \u0026amp; Weha\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 5.0pt;\"\u003e\u003cspan style=\"font-size: 9.0pt;\"\u003eDiamond grinding cups are the essential edge-finishing and surface-preparation tool after cutting — removing chipping from saw cuts, shaping profiles, beveling edges, and producing a smooth consistent surface ready for polishing or grouting. Pro Tool Haus carries both the DiStar DGM-S range for tile and porcelain edge work and the Weha cup wheel range for granite, engineered stone, and multi-material grinding.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 9.0pt; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eThe DiStar DGM-S range uses a segmented geometry calibrated for ceramic and porcelain — Soft Edge for standard-hardness tile, Hard Ceramics for ultra-dense sintered stone — in 2\" and 4\" sizes compatible with both standard angle grinders and Proxxon long-neck tools. The Weha cup wheels cover resin-filled cups for chip-free grinding, rubber cup wheels for flexible surface contact, flap cup wheels for blended-finish grinding, and the Pitbull hybrid for backing removal and heavy material removal. For polishing pads to follow grinding see Polishing Pads.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"weha-blitz-cluster-cup-wheel","title":"Weha Blitz Cluster Cup Wheel — 4\" \u0026 5\" | 50\/60 Grit | Fast Stock Removal for Granite, Marble \u0026 Engineered Stone","description":"\u003cp\u003eThe Weha Blitz Cluster Cup Wheel is built for aggressive stock removal where speed matters. The cluster segment design — raised diamond clusters separated by open gullets — cuts faster than solid-face cup wheels by maximizing diamond exposure and clearing debris efficiently. Available in 4\" and 5\" diameters at 50\/60 grit, the Blitz handles the heavy work: fiberglass mesh removal, epoxy and resin removal, backing removal, edge shaping, and surface preparation on granite, marble, quartz, and engineered stone. Runs wet or dry.\u003c\/p\u003e\n\n\u003ch2\u003eWhat the Cluster Design Does\u003c\/h2\u003e\n\u003cp\u003eStandard cup wheels grind with a continuous diamond face. The Blitz uses raised cluster segments with open channels between them — this exposes more diamond per pass, reduces heat buildup, and clears slurry faster. The result is more aggressive material removal with less wheel loading and longer tool life compared to solid-face alternatives.\u003c\/p\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFiberglass mesh and backing removal\u003c\/li\u003e\n\u003cli\u003eEpoxy and resin removal from stone surfaces\u003c\/li\u003e\n\u003cli\u003eFast edge shaping and stock removal\u003c\/li\u003e\n\u003cli\u003eSurface preparation before polishing\u003c\/li\u003e\n\u003cli\u003eGrinding down high spots and seams\u003c\/li\u003e\n\u003cli\u003eWet or dry use on granite, marble, quartz \u0026amp; engineered stone\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGrit: 50\/60\u003c\/li\u003e\n\u003cli\u003eSizes: 4\" (SKU 50230) and 5\" (SKU 50231)\u003c\/li\u003e\n\u003cli\u003eThread: 5\/8\"-11\u003c\/li\u003e\n\u003cli\u003eUse: Wet or dry\u003c\/li\u003e\n\u003cli\u003eDesign: Cluster segment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-pitbull-hybrid-resin-diamond-cup-wheel\"\u003eWeha Pitbull Hybrid Resin Cup Wheel — Follow-up shaping after Blitz stock removal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-4-resin-filled-diamond-cup-wheel\"\u003eWeha 4\" Resin Filled Diamond Cup Wheel — Smoothing after aggressive grinding\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-4-flap-diamond-cup-wheel\"\u003eWeha 4\" Flap Diamond Cup Wheel — Controlled shaping and polish removal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-vacuum-brazed-zero-tolerance-wheel-no-bearing\"\u003eWeha Vacuum Brazed Zero Tolerance Wheel — Precision profile and edge shaping\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-trilogy-3-step-polishing-pads\"\u003eWeha Trilogy 3-Step Polishing Pads — Final edge polish after grinding sequence\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weha","offers":[{"title":"4 inch","offer_id":51164329640160,"sku":"50230","price":75.92,"currency_code":"USD","in_stock":true},{"title":"5 inch","offer_id":51164329672928,"sku":"50231","price":103.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/Weha_blitz-5in-cluster-50-60-grit-back.png?v=1774356492"},{"product_id":"weha-pitbull-hybrid-resin-diamond-cup-wheel","title":"Weha Pitbull Hybrid Resin Diamond Cup Wheel — 4\" | 30, 50 \u0026 100 Grit | Chip-Free Grinding for Granite, Quartz \u0026 Stone","description":"\u003cp\u003eThe Weha Pitbull Hybrid Resin Diamond Cup Wheel bridges the gap between aggressive stock removal and chip-free finishing. Where standard metal-bond cup wheels cut fast but risk chipping, and standard resin pads finish smooth but wear quickly, the Pitbull's hybrid resin bond delivers both — aggressive enough to grind, shape, and remove fiber mesh, refined enough to leave a clean, scratch-controlled surface ready for polishing. Mounted on a rigid aluminum backer for stability and low vibration, it runs wet or dry on granite, marble, quartz, engineered stone, porcelain, ceramic, and concrete.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Makes the Pitbull Different\u003c\/h2\u003e\n\u003cp\u003eThe hybrid resin bond is harder and longer-lasting than standard resin polishing pads, but uses a diamond matrix that cuts without the micro-chipping risk of metal-bond wheels. The result is a cup wheel that handles demanding fabrication tasks — bevel creation, radius forming, underside smoothing, honed finish creation, fiber mesh removal — with speed and control in a single tool.\u003c\/p\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEdge grinding and shaping\u003c\/li\u003e\n\u003cli\u003eBevel and radius creation\u003c\/li\u003e\n\u003cli\u003eUnderside smoothing of countertop overhangs\u003c\/li\u003e\n\u003cli\u003eBreaking polish to create a honed finish\u003c\/li\u003e\n\u003cli\u003eFiber mesh and backing removal\u003c\/li\u003e\n\u003cli\u003eSurface preparation on granite, quartz, marble, porcelain \u0026amp; concrete\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich Grit to Choose\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 Grit (SKU 142311)\u003c\/strong\u003e — Heaviest stock removal; fiber mesh removal, aggressive shaping, rough edge grinding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 Grit (SKU 142312)\u003c\/strong\u003e — General shaping and bevel work; most versatile option for everyday fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 Grit (SKU 142313)\u003c\/strong\u003e — Finer shaping, honed finish creation, smoothing after 30 or 50 grit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDiameter: 4\"\u003c\/li\u003e\n\u003cli\u003eBond: Hybrid resin diamond\u003c\/li\u003e\n\u003cli\u003eBacker: Rigid aluminum\u003c\/li\u003e\n\u003cli\u003eThread: 5\/8\"-11\u003c\/li\u003e\n\u003cli\u003eUse: Wet or dry\u003c\/li\u003e\n\u003cli\u003eGrits available: 30, 50, 100\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-4-resin-filled-diamond-cup-wheel\"\u003eWeha 4\" Resin Filled Diamond Cup Wheel — Follow-up smoothing after Pitbull stock removal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-4-flap-diamond-cup-wheel\"\u003eWeha 4\" Flap Diamond Cup Wheel — Controlled shaping and polish removal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-blitz-4-resin-filled-cup-wheels\"\u003eWeha Blitz 4\" Resin Filled Diamond Cup Wheel — High diamond concentration for production grinding\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-vacuum-brazed-zero-tolerance-wheel-no-bearing\"\u003eWeha Vacuum Brazed Zero Tolerance Wheel — Profile and edge shaping complement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-trilogy-3-step-polishing-pads\"\u003eWeha Trilogy 3-Step Polishing Pads — Final edge polish after shaping\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-rock-dog-router-single-speed-with-aquaplaning-base\"\u003eWeha Rock Dog Router — Stone profiling machine for edge work\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weha","offers":[{"title":"30 Grit","offer_id":51164343828704,"sku":"142311","price":67.06,"currency_code":"USD","in_stock":true},{"title":"50 Grit","offer_id":51164343861472,"sku":"142312","price":73.14,"currency_code":"USD","in_stock":true},{"title":"100 Grit","offer_id":51164343894240,"sku":"142313","price":73.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/142311-2T.jpg?v=1774356729"},{"product_id":"weha-4-rubber-diamond-cup-wheel","title":"Weha 4\" Rubber Diamond Cup Wheel — Vibration-Dampening Diamond Grinding for Granite, Marble \u0026 Engineered Stone","description":"\u003cp\u003eThe vibration-dampening cup wheel for smoother grinding and less operator fatigue. The \u003cstrong\u003eWeha 4\" Rubber Diamond Cup Wheel\u003c\/strong\u003e features a specially engineered rubber isolation layer between the diamond body and threaded insert — absorbing vibration at the source before it reaches the grinder and operator. The result is smoother operation, cleaner shaping, improved surface control, and significantly reduced fatigue during extended use.\u003c\/p\u003e\n\n\u003cp\u003eThe rubber core also protects the grinder itself — reduced vibration transmission means less wear on the tool's bearings and motor over time.\u003c\/p\u003e\n\n\u003ch2\u003eWhich Grit to Choose\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse Grit\u003c\/strong\u003e — aggressive material removal; use for heavy grinding, leveling, and initial surface prep; maximum stock removal with vibration control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium Grit\u003c\/strong\u003e — intermediate refinement; use after Coarse for controlled smoothing before polishing pads or honing sequences\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhere It Fits in the Grinding Sequence\u003c\/h2\u003e\n\u003cp\u003eThe Rubber Diamond Cup Wheel is the flexible finishing step in the grinding workflow — particularly effective on contoured surfaces and edges where rigid cup wheels lose contact:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-flap-diamond-cup-wheel\"\u003eFlap Diamond Cup Wheel\u003c\/a\u003e — initial polish removal and surface leveling\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-resin-filled-diamond-cup-wheel\"\u003eResin Filled Cup Wheel\u003c\/a\u003e or \u003ca href=\"\/products\/weha-blitz-4-resin-filled-cup-wheels\"\u003eBlitz Resin Filled\u003c\/a\u003e — controlled stock removal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber Diamond Cup Wheel (this product)\u003c\/strong\u003e — vibration-free finish grinding; ideal for contoured edges and curved surfaces\u003c\/li\u003e\n\u003cli\u003ePolishing pads — final gloss restoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax RPM:\u003c\/strong\u003e 10,000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore:\u003c\/strong\u003e Rubber vibration-dampening isolation layer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable grits:\u003c\/strong\u003e Coarse, Medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Wet or dry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Materials\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGranite and marble\u003c\/li\u003e\n\u003cli\u003eQuartzite and engineered stone\u003c\/li\u003e\n\u003cli\u003eAll natural stone materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber isolation layer\u003c\/strong\u003e — absorbs vibration at the source; smoother operation and less operator fatigue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects grinder bearings\u003c\/strong\u003e — reduced vibration transmission extends grinder motor and bearing life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible for contoured surfaces\u003c\/strong\u003e — rubber core allows slight flex for better contact on curved edges and profiles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced chatter and bounce\u003c\/strong\u003e — cleaner shaping and improved surface control vs rigid cup wheels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet or dry use\u003c\/strong\u003e — flexible for shop and jobsite applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10,000 max RPM\u003c\/strong\u003e — rated for high-speed fabrication environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-flap-diamond-cup-wheel\"\u003eWeha 4\" Flap Diamond Cup Wheel\u003c\/a\u003e — use before the Rubber Cup Wheel for initial aggressive polish removal\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-resin-filled-diamond-cup-wheel\"\u003eWeha 4\" Resin Filled Diamond Cup Wheel\u003c\/a\u003e — use in the intermediate grinding step before the Rubber Cup Wheel\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-blitz-4-resin-filled-cup-wheels\"\u003eWeha Blitz 4\" Resin Filled Cup Wheels\u003c\/a\u003e — high-concentration alternative for the intermediate grinding step\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-pig-planetary-polisher-350-vs-with-donkey-package\"\u003eWeha Pig 350VS Planetary Polisher\u003c\/a\u003e — for full surface polish restoration after the grinding sequence\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-donkey-face-polish-inline-polishing-pads\"\u003eWeha Donkey Face Polish \u0026amp; Inline Polishing Pads\u003c\/a\u003e — polishing pads for the final gloss sequence after surface prep\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weha","offers":[{"title":"Coarse Grit","offer_id":51164348121312,"sku":"50250","price":102.25,"currency_code":"USD","in_stock":true},{"title":"Medium Grit","offer_id":51164348154080,"sku":"50251","price":102.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/50250Weha4_RubberDiamondTurboCupwheelcoarse.jpg?v=1774356834"},{"product_id":"weha-blitz-4-resin-filled-cup-wheels","title":"Weha Blitz 4\" Resin Filled Diamond Cup Wheel — High Diamond Concentration Grinding for Granite, Marble \u0026 Quartz","description":"\u003cp\u003eThe high-concentration resin cup wheel for fabricators who demand more from their tooling. The \u003cstrong\u003eWeha Blitz 4\" Resin Filled Diamond Cup Wheel\u003c\/strong\u003e is engineered for fast, smooth, chip-free grinding and honing on granite, marble, quartz, quartzite, and all natural stone. Its exceptionally high diamond concentration and circular segment pattern deliver aggressive cutting performance with an extended service life — outperforming standard resin cup wheels in both speed and longevity.\u003c\/p\u003e\n\n\u003ch2\u003eBlitz vs. Standard Resin Filled — What's the Difference?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlitz (this product)\u003c\/strong\u003e — exceptionally high diamond concentration; circular segment pattern for even stock removal; longer service life; higher price point; preferred for high-volume production shops\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-resin-filled-diamond-cup-wheel\"\u003eStandard Resin Filled Cup Wheel\u003c\/a\u003e — solid resin-filled performance at a lower price point; well-suited for occasional use and smaller shops\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich Grit to Choose\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse\u003c\/strong\u003e — aggressive stock removal; use for heavy grinding, leveling uneven surfaces, and initial surface prep after cutting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium\u003c\/strong\u003e — intermediate refinement; use after Coarse to smooth the surface before moving to Fine or polishing pads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine\u003c\/strong\u003e — controlled finish grinding; use for final surface prep before polishing or honing sequences\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax RPM:\u003c\/strong\u003e 10,000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Resin-filled with circular diamond segments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable grits:\u003c\/strong\u003e Coarse, Medium, Fine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Wet or dry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Materials\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGranite\u003c\/li\u003e\n\u003cli\u003eMarble\u003c\/li\u003e\n\u003cli\u003eQuartz and engineered stone\u003c\/li\u003e\n\u003cli\u003eQuartzite and all natural stone\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptionally high diamond concentration\u003c\/strong\u003e — more diamonds per segment for faster cutting and longer service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircular segment pattern\u003c\/strong\u003e — even stock removal across the full grinding surface; minimizes chipping and vibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResin-filled design\u003c\/strong\u003e — eliminates aggressive biting and bouncing; smoother, more controlled grinding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfectly balanced\u003c\/strong\u003e — stable at high speeds; fatigue-free operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet or dry use\u003c\/strong\u003e — flexible for shop and jobsite applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-flap-diamond-cup-wheel\"\u003eWeha 4\" Flap Diamond Cup Wheel\u003c\/a\u003e — use before the Blitz for initial aggressive polish removal and surface leveling\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-resin-filled-diamond-cup-wheel\"\u003eWeha 4\" Resin Filled Diamond Cup Wheel\u003c\/a\u003e — standard resin cup wheel alternative for lower-volume applications\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-rubber-diamond-cup-wheel\"\u003eWeha 4\" Rubber Diamond Cup Wheel\u003c\/a\u003e — follow with the Rubber Cup Wheel for flexible finish grinding on contoured surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-pig-planetary-polisher-350-vs-with-donkey-package\"\u003eWeha Pig 350VS Planetary Polisher\u003c\/a\u003e — for full surface polish restoration after the grinding sequence\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-donkey-face-polish-inline-polishing-pads\"\u003eWeha Donkey Face Polish \u0026amp; Inline Polishing Pads\u003c\/a\u003e — polishing pads for the final gloss sequence after surface prep\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weha","offers":[{"title":"Coarse","offer_id":51164349071584,"sku":"7685","price":111.28,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":51164349104352,"sku":"7686","price":111.28,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":51164349137120,"sku":"7687","price":111.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/76854_BlitzResinfilledCupwheel.jpg?v=1774356854"},{"product_id":"weha-4-resin-filled-diamond-cup-wheel","title":"Weha 4\" Resin Filled Diamond Cup Wheel — Smooth, Chip-Free Grinding on Granite, Marble \u0026 Engineered Stone","description":"\u003cp\u003eSmooth, controlled grinding without the bounce. The \u003cstrong\u003eWeha 4\" Resin Filled Diamond Cup Wheel\u003c\/strong\u003e is engineered for chip-free grinding and honing on granite, marble, engineered stone, and other natural stone materials. The resin-filled design eliminates the aggressive biting and bouncing common with standard cup wheels — delivering faster cutting with better surface control and cleaner edges.\u003c\/p\u003e\n\n\u003cp\u003eStrategically placed diamond segments maximize cutting speed and efficiency, while the perfectly balanced design ensures stable, vibration-free operation throughout the grind.\u003c\/p\u003e\n\n\u003ch2\u003eWhich Grit to Choose\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse\u003c\/strong\u003e — aggressive stock removal; use for heavy grinding, leveling uneven surfaces, and initial surface prep after cutting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium\u003c\/strong\u003e — intermediate refinement; use after Coarse to smooth the surface before moving to Fine or polishing pads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine\u003c\/strong\u003e — controlled finish grinding; use for final surface prep before polishing or honing sequences\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhere It Fits in the Grinding Sequence\u003c\/h2\u003e\n\u003cp\u003eThe Resin Filled Cup Wheel sits in the middle of the grinding workflow — after aggressive diamond cup wheels and before polishing pads:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-flap-diamond-cup-wheel\"\u003eFlap Diamond Cup Wheel\u003c\/a\u003e (60 or 120 grit) — initial polish removal and surface leveling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResin Filled Cup Wheel (this product)\u003c\/strong\u003e — Coarse → Medium → Fine for controlled stock removal and surface refinement\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-rubber-diamond-cup-wheel\"\u003eRubber Diamond Cup Wheel\u003c\/a\u003e — flexible finish grinding on contoured surfaces\u003c\/li\u003e\n\u003cli\u003ePolishing pads — final gloss restoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 5\/8\"-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Resin-filled for reduced vibration and bounce\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable grits:\u003c\/strong\u003e Coarse, Medium, Fine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalance:\u003c\/strong\u003e Precision-balanced for stable operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResin-filled design\u003c\/strong\u003e — eliminates aggressive biting and bouncing; smoother, more controlled grinding than standard cup wheels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip-free performance\u003c\/strong\u003e — controlled material removal without edge damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh diamond concentration\u003c\/strong\u003e — fast cutting with consistent performance across the full grit range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced vibration\u003c\/strong\u003e — precision-balanced for fatigue-free operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/8\"-11 thread\u003c\/strong\u003e — fits standard angle grinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-flap-diamond-cup-wheel\"\u003eWeha 4\" Flap Diamond Cup Wheel\u003c\/a\u003e — use before the Resin Filled for initial aggressive polish removal and surface leveling\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-rubber-diamond-cup-wheel\"\u003eWeha 4\" Rubber Diamond Cup Wheel\u003c\/a\u003e — follow with the Rubber Cup Wheel for flexible finish grinding on contoured surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-blitz-4-resin-filled-cup-wheels\"\u003eWeha Blitz 4\" Resin Filled Cup Wheels\u003c\/a\u003e — high-performance alternative resin cup wheel for aggressive intermediate grinding\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-pig-planetary-polisher-350-vs-with-donkey-package\"\u003eWeha Pig 350VS Planetary Polisher\u003c\/a\u003e — for full surface polish restoration after the grinding sequence\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-donkey-face-polish-inline-polishing-pads\"\u003eWeha Donkey Face Polish \u0026amp; Inline Polishing Pads\u003c\/a\u003e — polishing pads for the final gloss sequence after surface prep\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weha","offers":[{"title":"Coarse","offer_id":51164349563104,"sku":"7680","price":82.03,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":51164349595872,"sku":"7681","price":79.69,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":51164349628640,"sku":"7682","price":79.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/7680WehaREsinFilledCupwheelCoarseBlue2.jpg?v=1774356856"},{"product_id":"weha-4-flap-diamond-cup-wheel","title":"Weha 4\" Flap Diamond Cup Wheel — Controlled Shaping \u0026 Polish Removal on Granite, Marble \u0026 Engineered Stone","description":"\u003cp\u003ePurpose-built for controlled shaping, surface refinement, and polish removal. The \u003cstrong\u003eWeha 4\" Flap Diamond Cup Wheel\u003c\/strong\u003e delivers smooth, vibration-free performance with zero chipping on granite, marble, engineered stone, quartzite, porcelain, ceramic, and concrete. The rigid aluminum backing and precision-balanced design keep the surface flat and controlled throughout the grind.\u003c\/p\u003e\n\n\u003cp\u003eThe flap diamond construction exposes new diamond layers as the top layer wears — maintaining consistent cutting performance and extending working life beyond standard cup wheels.\u003c\/p\u003e\n\n\u003ch2\u003eWhich Grit to Choose\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 Grit\u003c\/strong\u003e — aggressive material removal; use for heavy polish removal, surface leveling, and preparation for honed or leathered finishes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120 Grit\u003c\/strong\u003e — finer finish; use for light surface refinement, smoothing after 60 grit, and preparation for polishing pads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 5\/8\"-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking:\u003c\/strong\u003e Rigid aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable grits:\u003c\/strong\u003e 60, 120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Wet or dry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSurface polish removal on granite, marble, and engineered stone\u003c\/li\u003e\n\u003cli\u003eCreating honed finishes\u003c\/li\u003e\n\u003cli\u003ePreparation for leathered or brushed textures\u003c\/li\u003e\n\u003cli\u003eEdge shaping and refinement\u003c\/li\u003e\n\u003cli\u003eConcrete and engineered surface preparation\u003c\/li\u003e\n\u003cli\u003ePorcelain and ceramic surface work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlap diamond construction\u003c\/strong\u003e — new diamond layers exposed as top layer wears; consistent performance and extended life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid aluminum backing\u003c\/strong\u003e — flat, controlled grinding surface; no flex or chatter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero chipping\u003c\/strong\u003e — controlled material removal without edge damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration-free\u003c\/strong\u003e — precision-balanced for smooth, fatigue-free operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/8\"-11 thread\u003c\/strong\u003e — fits standard angle grinders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet or dry use\u003c\/strong\u003e — flexible for shop and jobsite applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-resin-filled-diamond-cup-wheel\"\u003eWeha 4\" Resin Filled Diamond Cup Wheel\u003c\/a\u003e — follow the Flap Cup Wheel with the Resin Filled for a smoother intermediate finish before polishing\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-rubber-diamond-cup-wheel\"\u003eWeha 4\" Rubber Diamond Cup Wheel\u003c\/a\u003e — flexible rubber cup wheel for contoured surfaces and final surface prep\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-blitz-4-resin-filled-cup-wheels\"\u003eWeha Blitz 4\" Resin Filled Cup Wheels\u003c\/a\u003e — high-performance resin cup wheel for aggressive intermediate grinding\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-pig-planetary-polisher-350-vs-with-donkey-package\"\u003eWeha Pig 350VS Planetary Polisher\u003c\/a\u003e — for full surface polish restoration after grinding with the Flap Cup Wheel\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-donkey-face-polish-inline-polishing-pads\"\u003eWeha Donkey Face Polish \u0026amp; Inline Polishing Pads\u003c\/a\u003e — polishing pads for the final polish sequence after surface prep\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weha","offers":[{"title":"60 Grit","offer_id":51164350742752,"sku":"7650","price":62.09,"currency_code":"USD","in_stock":true},{"title":"120 Grit","offer_id":51164350775520,"sku":"7651","price":62.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/76504_FlapDiamondCupwheel60grit.jpg?v=1774356859"}],"url":"https:\/\/protoolhaus.com\/collections\/diamond-grinding-cups.oembed","provider":"Pro Tool Haus","version":"1.0","type":"link"}