{"title":"Proxxon Drilling \u0026 Grinding Bits","description":"\u003cp\u003eDiamond-tipped drilling and grinding bits for Proxxon MICROMOT rotary tools. Available in multiple diameters including 0.8mm, 1.0mm, 1.2mm, 1.5mm, and 3.2mm ball — designed for precision work on ceramic, glass, granite, and stone surfaces.\u003c\/p\u003e","products":[{"product_id":"proxxon-diamond-twist-drills-0-8mm-1-2mm","title":"Proxxon Diamond Twist Drills 0.8mm and 1.2mm (Pack of 2)","description":"\u003cp\u003e\u003cstrong\u003eProxxon Diamond Twist Drills\u003c\/strong\u003e in 0.8mm and 1.2mm – a 2-pack of ultra-fine diamond-coated twist drills for precision drilling in glass, ceramics, porcelain, and hard stone with Proxxon MICROMOT rotary tools. The twist drill geometry provides a cleaner, more controlled entry hole than standard diamond bits, reducing the risk of surface chipping on delicate materials like glass and glazed tile.\u003c\/p\u003e\n\n\u003cp\u003eAt 0.8mm and 1.2mm, these are among the finest drill sizes in the Proxxon diamond range – essential for mosaic work, jewelry, stained glass repair, and any application where a clean micro-hole is critical.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiamond-coated twist drill geometry\u003c\/strong\u003e – Cleaner entry holes than standard diamond bits in glass and glazed surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo sizes in one pack\u003c\/strong\u003e – Ø 0.8mm (1\/32\") and Ø 1.2mm (3\/64\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.35mm shank\u003c\/strong\u003e – Fits all Proxxon MICROMOT collet tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant recommended\u003c\/strong\u003e – Water or cutting fluid extends bit life and prevents heat cracking in glass\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e Ø 0.8mm (1\/32\") and Ø 1.2mm (3\/64\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e 2.35mm (3\/32\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Diamond\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 drills per pack (one of each size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant:\u003c\/strong\u003e Recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBest Suited For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGlass drilling – stained glass, mirrors, glass tiles\u003c\/li\u003e\n\u003cli\u003eGlazed ceramic and porcelain tile\u003c\/li\u003e\n\u003cli\u003eHard stone and semi-precious stone\u003c\/li\u003e\n\u003cli\u003eMosaic and jewelry applications\u003c\/li\u003e\n\u003cli\u003eAny application requiring a clean micro-hole in brittle materials\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\/proxxon-ibs-a-cordless-drill-grinder\"\u003eProxxon IBS\/A Cordless Drill\/Grinder\u003c\/a\u003e – Cordless MICROMOT rotary tool for flexible use\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-diamond-drilling-grinding-bit-1-0mm\"\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 1.0mm\u003c\/a\u003e – Grinding bit format for the same fine-scale hard material work\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-diamond-drilling-grinding-bit-1-5mm\"\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 1.5mm\u003c\/a\u003e – Step up for slightly larger holes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/diamond-drilling-grinding-bit-3\"\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 3.2mm Ball\u003c\/a\u003e – Ball-shaped bit for concave grinding and milling in the same materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eCalifornia Residents: \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eProp 65 Warning\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eBuying for a crew?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\" title=\"Ask about contractor pricing\"\u003eAsk about contractor pricing →\u003c\/a\u003e\u003c\/p\u003e","brand":"Proxxon","offers":[{"title":"Default Title","offer_id":42207356878903,"sku":"28255","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/8605\/8039\/files\/28255_81000e1b-c41c-43ae-aab7-d4d2c70c2438.jpg?v=1777914054"},{"product_id":"proxxon-diamond-drilling-grinding-bit-1-5mm","title":"Proxxon Diamond Drilling and Grinding Bit 1.5mm","description":"\u003cp\u003eThe \u003cstrong\u003eProxxon Diamond Drilling and Grinding Bit (1.5mm)\u003c\/strong\u003e is a precision micro-bit for drilling and grinding in glass, ceramics, porcelain, and hard stone with Proxxon MICROMOT rotary tools. The diamond coating provides the hardness to penetrate brittle materials cleanly – where standard HSS or carbide bits would chip or crack the workpiece. At 1.5mm, this bit bridges the gap between the ultra-fine 1.0mm and the larger 3.2mm ball bit, making it ideal for slightly larger precision holes in tile, glass, and stone.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiamond-coated tip\u003c\/strong\u003e – Penetrates glass, ceramics, porcelain, and hard stone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.5mm diameter\u003c\/strong\u003e – Precision drilling for detail work in hard brittle materials\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.35mm shank\u003c\/strong\u003e – Fits all Proxxon MICROMOT collet tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant required\u003c\/strong\u003e – Use with water or cutting fluid to prevent overheating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest at 2,000 RPM\u003c\/strong\u003e – Use on a drill press for controlled, consistent results\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 1.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e 2.35mm (3\/32\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Diamond\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended speed:\u003c\/strong\u003e 2,000 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant:\u003c\/strong\u003e Required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBest Suited For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGlass drilling and engraving\u003c\/li\u003e\n\u003cli\u003eCeramic and porcelain tile detail work\u003c\/li\u003e\n\u003cli\u003eHard stone and semi-precious stone\u003c\/li\u003e\n\u003cli\u003eMosaic and lapidary applications\u003c\/li\u003e\n\u003cli\u003eJewelry and craft precision drilling\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\/proxxon-ibs-a-cordless-drill-grinder\"\u003eProxxon IBS\/A Cordless Drill\/Grinder\u003c\/a\u003e – Cordless MICROMOT rotary tool for flexible use\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-diamond-drilling-grinding-bit-1-0mm\"\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 1.0mm\u003c\/a\u003e – Finer bit for smaller holes in the same materials\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/diamond-drilling-grinding-bit-3\"\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 3.2mm Ball\u003c\/a\u003e – Ball-shaped bit for concave grinding and milling\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-diamond-twist-drills-0-8mm-1-2mm\"\u003eProxxon Diamond Twist Drills 0.8mm + 1.2mm\u003c\/a\u003e – Twist drill format for cleaner entry holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eCalifornia Residents: \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eProp 65 Warning\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eBuying for a crew?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\" title=\"Ask about contractor pricing\"\u003eAsk about contractor pricing →\u003c\/a\u003e\u003c\/p\u003e","brand":"Proxxon","offers":[{"title":"Default Title","offer_id":42207356911671,"sku":"28232","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/8605\/8039\/files\/28232.jpg?v=1777914057"},{"product_id":"proxxon-diamond-drilling-grinding-bit-1-0mm","title":"Proxxon Diamond Drilling and Grinding Bit 1.0mm","description":"\u003cp\u003eThe \u003cstrong\u003eProxxon Diamond Drilling and Grinding Bit (1.0mm)\u003c\/strong\u003e is a precision micro-bit for drilling and grinding in the hardest materials – glass, ceramics, porcelain, and hard stone – where standard HSS or carbide bits would chip, crack, or fail. The diamond coating delivers the hardness needed to penetrate brittle materials cleanly, making it the go-to bit for fine detail work in tile repair, mosaic work, jewelry, and lapidary applications.\u003c\/p\u003e\n\n\u003cp\u003eAt 1.0mm diameter, this is one of the finest bits in the Proxxon MICROMOT range – ideal for starting precision holes in glass or ceramic without cracking the surrounding material.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiamond-coated tip\u003c\/strong\u003e – Penetrates glass, ceramics, porcelain, and hard stone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.0mm diameter\u003c\/strong\u003e – Ultra-fine precision for detail drilling and grinding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.35mm shank\u003c\/strong\u003e – Fits all Proxxon MICROMOT collet tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant required\u003c\/strong\u003e – Use with water or cutting fluid to prevent overheating and extend bit life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest at 2,000 RPM\u003c\/strong\u003e – Use on a drill press for controlled speed and consistent results\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 1.0mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e 2.35mm (3\/32\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Diamond\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended speed:\u003c\/strong\u003e 2,000 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant:\u003c\/strong\u003e Required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBest Suited For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGlass drilling and engraving\u003c\/li\u003e\n\u003cli\u003eCeramic and porcelain tile detail work\u003c\/li\u003e\n\u003cli\u003eHard stone and semi-precious stone\u003c\/li\u003e\n\u003cli\u003eMosaic and lapidary applications\u003c\/li\u003e\n\u003cli\u003eJewelry and craft precision drilling\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\/proxxon-ibs-a-cordless-drill-grinder\"\u003eProxxon IBS\/A Cordless Drill\/Grinder\u003c\/a\u003e – Cordless MICROMOT rotary tool for flexible job site use\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-diamond-drilling-grinding-bit-1-5mm\"\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 1.5mm\u003c\/a\u003e – Step up for slightly larger holes in the same materials\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/diamond-drilling-grinding-bit-3\"\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 3.2mm Ball\u003c\/a\u003e – Ball-shaped bit for concave grinding and milling\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-diamond-twist-drills-0-8mm-1-2mm\"\u003eProxxon Diamond Twist Drills 0.8mm + 1.2mm\u003c\/a\u003e – Twist drill format for cleaner entry holes in glass and ceramic\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eCalifornia Residents: \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eProp 65 Warning\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eBuying for a crew?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\" title=\"Ask about contractor pricing\"\u003eAsk about contractor pricing →\u003c\/a\u003e\u003c\/p\u003e","brand":"Proxxon","offers":[{"title":"Default Title","offer_id":42207356944439,"sku":"28230","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/8605\/8039\/files\/28230_c5983670-fec4-40b2-adad-2bfc7c09e994.jpg?v=1777914060"},{"product_id":"proxxon-diamond-bit-28234-ball-3mm-glass-stone","title":"Proxxon Diamond Drilling \u0026 Grinding Bit - 3.2mm Ball, 2-Pack (No. 28234)","description":"\u003cp\u003e\u003cstrong\u003eA ball-shaped diamond-coated drilling and milling bit for precision work in glass, stone, and granite with Proxxon MICROMOT rotary tools and drill presses.\u003c\/strong\u003e The diamond coating delivers the hardness needed to drill and mill through hard, brittle materials that conventional bits cannot penetrate. Recommended for use on a drill press at 2,000 RPM with additional coolant to prevent overheating and bit damage. Supplied in a 2-pack.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Ball\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 3.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank diameter:\u003c\/strong\u003e 2.35mm (3\/32\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Diamond\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 bits per pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended speed:\u003c\/strong\u003e 2,000 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant:\u003c\/strong\u003e \u003cstrong\u003eRequired\u003c\/strong\u003e for use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart No.:\u003c\/strong\u003e 28234\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBest Suited For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGlass\u003c\/li\u003e\n\u003cli\u003eStone (including granite)\u003c\/li\u003e\n\u003cli\u003eCeramics and porcelain\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e For best results, use on a drill press with coolant at 2,000 RPM. Not recommended for freehand use at high speeds without coolant.\u003c\/p\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-ibs-a-cordless-drill-grinder\"\u003eProxxon IBS\/A Cordless Drill\/Grinder\u003c\/a\u003e – Compatible MICROMOT rotary tool for lower-speed applications\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-diamond-drilling-grinding-bit-1-0mm\"\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 1.0mm\u003c\/a\u003e – Finer bit for smaller holes in the same hard materials\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-diamond-drilling-grinding-bit-1-5mm\"\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 1.5mm\u003c\/a\u003e – Step up for slightly larger holes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-diamond-twist-drills-0-8mm-1-2mm\"\u003eProxxon Diamond Twist Drills 0.8mm + 1.2mm\u003c\/a\u003e – Twist drill format for cleaner entry holes in glass and ceramic\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/distar-water-guard-kit-for-proxxon-lwb-a\"\u003eDistar Water Guard Kit for Proxxon LWB\/A\u003c\/a\u003e – Coolant delivery system; recommended for safe use of this bit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFurther Reading\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/how-to-drill-through-tile-without-cracking\"\u003eHow to Drill Through Tile Without Cracking It\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/how-to-drill-porcelain-tile-without-cracking-proxxon-ibsa-distar-rocket\"\u003eHow to Drill Clean Holes in Porcelain Tile Without Cracking It – Proxxon IBS\/A + Distar Rocket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/engraver-vs-porcelain-tile-how-to-cut-holes-without-chipping\"\u003eEngraver vs. Porcelain Tile: How to Cut Holes Without Chipping\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eReturns can only be accepted for unused product in its original packaging. A copy of the original packing slip or invoice is required. For warranty claims please call 1-877-776-9966. See our full \u003ca href=\"\/pages\/refund-policy\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ereturn and refund policy\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eCalifornia Residents: \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eProp 65 Warning\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eBuying for a crew?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\" title=\"Ask about contractor pricing\"\u003eAsk about contractor pricing →\u003c\/a\u003e\u003c\/p\u003e","brand":"Proxxon","offers":[{"title":"Default Title","offer_id":42207357599799,"sku":"28234","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/8605\/8039\/files\/28234.jpg?v=1777914075"}],"url":"https:\/\/distarusa.com\/collections\/proxxon-drilling-grinding-bits.oembed","provider":"Distar USA","version":"1.0","type":"link"}