{"product_id":"4pcs-6-12-mm-professional-angle-grinder-dry-cut-diamond-drill-bits-for-drilling-and-grinding-38-mm-drilling-depth-m10-thread-suitable-for-tiles-marble-and-granite","title":"4Pcs 6-12 mm Professional Angle Grinder Dry-cut Diamond Drill Bits for Drilling and Grinding – 38 mm Drilling Depth, M10 Thread, Suitable for Tiles, Marble and Granite","description":"\u003cp\u003eProduct Details\u003cbr\u003e🔥 Key Selling Points (Why Choose This Drill Bit?)\u003cbr\u003e1. Upgraded brazing process + high-quality diamonds\u003cbr\u003eAdvanced vacuum brazing technology is used to securely bond high-hardness diamonds to the substrate. Compared to traditional electroplated drill bits, these do not shed grit or chip, becoming sharper with use, ensuring truly long-lasting durability.\u003c\/p\u003e\n\u003cp\u003e2. Dry Drilling Without Water, Built-in Cooling Wax\u003cbr\u003eDesigned for convenience on construction sites, the drill bit contains pre-embedded cooling wax that automatically melts and lubricates during high-speed rotation, effectively reducing the bit’s temperature. No external water source is required, eliminating the mess associated with wet drilling. It is particularly suitable for high-altitude or indoor work where water is unavailable.\u003c\/p\u003e\n\u003cp\u003e3. Two-in-one: Drilling + Grinding\u003cbr\u003eNot only is it a drilling powerhouse, but when inverted, it can be used as a grinding head. Whether trimming edges or smoothing out holes, it delivers a smooth, burr-free finish, with test results showing a flat and aesthetically pleasing ground surface.\u003c\/p\u003e\n\u003cp\u003e4. 38mm Extended Drilling Depth\u003cbr\u003eWith a working length of 38mm, it effortlessly penetrates various thick tiles and double-layered panels, meeting drilling requirements for a wide range of thicknesses.\u003c\/p\u003e\n\u003cp\u003e🧱 Suitable Materials (Widely Compatible Materials)\u003cbr\u003eThis drill bit is specifically designed for high-hardness, brittle materials and requires no water; it can be used for dry drilling:\u003c\/p\u003e\n\u003cp\u003e✅ Porcelain Tiles\u003c\/p\u003e\n\u003cp\u003e✅ Vitrified Tiles\u003c\/p\u003e\n\u003cp\u003e✅ Ordinary Glass\u003c\/p\u003e\n\u003cp\u003e✅ Ceramics\u003c\/p\u003e\n\u003cp\u003e✅ Marble\u003c\/p\u003e\n\u003cp\u003e✅ Granite\u003c\/p\u003e\n\u003cp\u003e✅ Microcrystalline Stone\u003c\/p\u003e\n\u003cp\u003e✅ Quartz Stone\u003c\/p\u003e\n\u003cp\u003e🔧 Product Specifications\u003cbr\u003eDiameter    Total Length    Working Depth    Thread    Weight\u003cbr\u003e6mm    60mm    38mm    M10    20g\u003cbr\u003e8mm    60mm    38mm    M10    22g\u003cbr\u003e10mm    60mm    38mm    M10    27g\u003cbr\u003e12mm    60mm    38mm    M10    28g\u003cbr\u003eNote: Manual measurements may contain slight discrepancies; please refer to the actual product.\u003c\/p\u003e\n\u003cp\u003e⚙️ Compatible Tools\u003cbr\u003eStandard interface: M10 threaded shank\u003c\/p\u003e\n\u003cp\u003eSuitable for the vast majority of 100\/125 series angle grinders on the market (please ensure the grinder has an M10 internal thread).\u003c\/p\u003e\n\u003cp\u003e🛠️ Professional Drilling Tips\u003cbr\u003eTo achieve optimal drilling results and extend the life of the drill bit, please follow this two-step method:\u003c\/p\u003e\n\u003cp\u003eGroove Positioning:\u003c\/p\u003e\n\u003cp\u003eSet the angle grinder to high speed.\u003c\/p\u003e\n\u003cp\u003eTilt the drill bit and lightly rest it against the wall to grind a crescent-shaped positioning groove, preventing slippage.\u003c\/p\u003e\n\u003cp\u003eDrilling and Chip Removal:\u003c\/p\u003e\n\u003cp\u003eSlowly align the drill bit vertically.\u003c\/p\u003e\n\u003cp\u003eApply downward pressure at a steady rate whilst gently wiggling the drill bit (this is crucial!). Wiggling helps to clear debris and prevent the drill bit from jamming; never apply forceful, vertical pressure continuously.\u003c\/p\u003e\n\u003cp\u003eCooling:\u003c\/p\u003e\n\u003cp\u003eOnce the built-in cooling wax has been used up, we recommend using water for cooling, which can further extend the drill bit’s service life.\u003c\/p\u003e\n\u003cp\u003e📦 Package Contents\u003cbr\u003e1 x Diamond Drill Bit (Drilling \u0026amp; Grinding) (Shipped according to selected specifications)\u003c\/p\u003e\n\u003cp\u003e⚠️ Tips \u0026amp; Warnings\u003cbr\u003eSafety first: Please wear safety goggles and a dust mask during operation.\u003c\/p\u003e\n\u003cp\u003eSpeed control: We recommend using an angle grinder with variable speed control, maintaining a high speed with light pressure.\u003c\/p\u003e\n\u003cp\u003eDebris removal is crucial: Maintain a slight wiggling motion throughout to ensure smooth removal of powder; this is key to achieving a smooth hole finish.\u003c\/p\u003e","brand":"dinoinbox","offers":[{"title":"6mm+8mm+10mm+12mm","offer_id":47629156810906,"sku":"MH02276","price":16.99,"currency_code":"USD","in_stock":true},{"title":"4pcs 6mm","offer_id":47629156843674,"sku":"MH02276-1","price":9.99,"currency_code":"USD","in_stock":true},{"title":"4pcs 8mm","offer_id":47629156876442,"sku":"MH02276-2","price":11.99,"currency_code":"USD","in_stock":true},{"title":"4pcs 10mm","offer_id":47629156909210,"sku":"MH02276-3","price":12.99,"currency_code":"USD","in_stock":true},{"title":"4pcs 12mm","offer_id":47629156941978,"sku":"MH02276-4","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/8748\/7130\/files\/ScreenShot_2026-03-16_152644_546.jpg?v=1773646199","url":"https:\/\/www.dinoinbox.com\/en-ca\/products\/4pcs-6-12-mm-professional-angle-grinder-dry-cut-diamond-drill-bits-for-drilling-and-grinding-38-mm-drilling-depth-m10-thread-suitable-for-tiles-marble-and-granite","provider":"dinoinbox","version":"1.0","type":"link"}