{"title":"Vacuum Brazed Diamond Core Bits for Porcelain \u0026 Stone | Pro Tool Haus","description":"\u003cdiv class=\"OutlineElement Ltr SCXW184053465 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW184053465 BCX0\"\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW184053465 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW184053465 BCX0\"\u003eVacuum brazed diamond core bits use a single layer of diamond grit electroplated or brazed directly to the steel body — producing a thin-walled, sharp-cutting bit ideal for drilling precise holes in hard, brittle materials like dense porcelain, sintered stone, glazed ceramic, and granite. The brazed construction puts the diamonds directly in the cutting path with nothing dulling the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW184053465 BCX0\"\u003einitial\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW184053465 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003econtact, making these bits noticeably faster through hard material on the first hole.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW184053465 BCX0\" data-ccp-props='{\"335559739\":100}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW184053465 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW184053465 BCX0\"\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW184053465 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW184053465 BCX0\"\u003eBecause the diamond layer is a single coat rather than a segmented block, vacuum brazed bits are best suited for applications where hole count per bit is lower but cut quality and entry precision are critical — faucet holes in granite countertops, outlet penetrations in porcelain tile, and fixture holes in stone where a clean, chip-free entry matters.\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW184053465 BCX0\"\u003eUse with\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW184053465 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ethe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW184053465 BCX0\"\u003eDiStar\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW184053465 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW184053465 BCX0\"\u003eCoolGEL\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW184053465 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003edrilling lubricant for extended bit life during dry drilling.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW184053465 BCX0\" data-ccp-props='{\"335559739\":100}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW184053465 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW184053465 BCX0\"\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW184053465 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW184053465 BCX0\"\u003eFor core bits rated for higher hole counts in standard porcelain see \u003ca href=\"\/collections\/ceramic-core-bits\" title=\"Ceramic Core Bits\"\u003eCeramic Core Bits\u003c\/a\u003e. For stone core bits for granite and natural stone see \u003ca href=\"\/collections\/stone-core-bits\" title=\"Stone Core Bits\"\u003eStone Core Bits\u003c\/a\u003e. For the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/products\/coolgel-250-250g\" title=\"CoolGel\"\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW184053465 BCX0\"\u003eCoolGEL\u003c\/span\u003e\u003c\/a\u003e\u003cspan class=\"NormalTextRun SCXW184053465 BCX0\"\u003e\u003ca href=\"\/products\/coolgel-250-250g\" title=\"CoolGel\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003elubricant compatible with dry vacuum brazed drilling see the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/collections\/distar\" title=\"Distar\"\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW184053465 BCX0\"\u003eDiStar\u003c\/span\u003e\u003c\/a\u003e\u003cspan class=\"NormalTextRun SCXW184053465 BCX0\"\u003e\u003ca href=\"\/collections\/distar\" title=\"Distar\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003erange.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW184053465 BCX0\" data-ccp-props='{\"335559739\":0}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"weha-vacuum-brazed-zero-tolerance-wheel-no-bearing","title":"Weha Vacuum Brazed Zero Tolerance Wheel (No Bearing) — 5\/8\"-11 | 1\", 2\" \u0026 3\" | Granite, Marble \u0026 Quartz Profile Wheel","description":"\u003cp\u003eThe Weha Vacuum Brazed Zero Tolerance Wheel is a coarse-grit profile and stock removal wheel engineered for precision edge shaping on granite, marble, quartz, and natural stone. Available in three diameters — 1\", 2\", and 3\" — all with a standard 5\/8\"-11 thread, these wheels are built for hand grinders and radial arm machines. The no-bearing design makes them compatible with radial arm finger tip adapters and similar tooling setups where a bearing-mounted wheel would be impractical.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Makes Zero Tolerance Different\u003c\/h2\u003e\n\u003cp\u003eVacuum brazed diamond technology bonds diamond crystals directly to the steel body in a single layer, exposing maximum cutting surface. Unlike sintered or electroplated wheels, Zero Tolerance wheels maintain their profile shape throughout their lifespan — you grind to the line with confidence, without worrying about the wheel losing its geometry mid-job. The result is consistent, repeatable edge profiles from the first cut to the last.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVacuum brazed single-layer diamond for aggressive, chip-free stock removal\u003c\/li\u003e\n\u003cli\u003eMaintains wheel profile shape throughout tool life\u003c\/li\u003e\n\u003cli\u003eCenter water feed holes for wet cooling during operation\u003c\/li\u003e\n\u003cli\u003eWet or dry use — versatile for shop and jobsite\u003c\/li\u003e\n\u003cli\u003eNo bearing — compatible with radial arm finger tip adapters\u003c\/li\u003e\n\u003cli\u003eMax RPM: 4,000\u003c\/li\u003e\n\u003cli\u003eThread: 5\/8\"-11\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich Size to Choose\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" x 2\" (SKU 30198)\u003c\/strong\u003e — Tight-radius work, inside corners, small profile details\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" x 2\" (SKU 30205)\u003c\/strong\u003e — General edge shaping and stock removal, most common choice\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\" x 2\" (SKU 30207)\u003c\/strong\u003e — Wider contact area for faster material removal on straight edges\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-rock-dog-router-single-speed-with-aquaplaning-base\"\u003eWeha Rock Dog Router Single Speed — 2.4 HP Stone Profiling Machine\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-radial-arm-finger-tip\"\u003eWeha Radial Arm Finger Tip (20 x 23 x M12)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weha-radial-arm-adapter-1-2-gas-for-incremental-finger-tip\"\u003eWeha Radial Arm Finger Tip (1\/2 Gas x 12mm Thread)\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 — Follow-up grinding after 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-trilogy-3-step-polishing-pads\"\u003eWeha Trilogy 3-Step Polishing Pads — Final edge polish after shaping\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weha","offers":[{"title":"1\" x 2\" x 5\/8-11","offer_id":51164348350688,"sku":"30198","price":82.26,"currency_code":"USD","in_stock":true},{"title":"2\" x 2\" x 5\/8-11","offer_id":51164348383456,"sku":"30205","price":104.69,"currency_code":"USD","in_stock":true},{"title":"3\" x 2\" x 5\/8-11","offer_id":51164348416224,"sku":"30207","price":139.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/Group1-2-3inVacBrazZeroTolB.jpg?v=1774356840"}],"url":"https:\/\/protoolhaus.com\/collections\/vacuum-brazed.oembed","provider":"Pro Tool Haus","version":"1.0","type":"link"}