{"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","url":"https:\/\/protoolhaus.com\/products\/weha-4-rubber-diamond-cup-wheel","provider":"Pro Tool Haus","version":"1.0","type":"link"}