{"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\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. 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\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\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\u003ch3\u003e\u003cstrong\u003eBest Suited For\u003c\/strong\u003e\u003c\/h3\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\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\u003ch3\u003e\u003cstrong\u003eWorks Well With\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProxxon IBS\/A Cordless Drill\/Grinder – Compatible MICROMOT rotary tool for lower-speed applications\u003c\/li\u003e\n\u003cli\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 1.0mm – Finer bit for smaller holes in the same hard materials\u003c\/li\u003e\n\u003cli\u003eProxxon Diamond Drilling \u0026amp; Grinding Bit 1.5mm – Step up for slightly larger holes\u003c\/li\u003e\n\u003cli\u003eProxxon Diamond Twist Drills 0.8mm + 1.2mm – Twist drill format for cleaner entry holes in glass and ceramic\u003c\/li\u003e\n\u003cli\u003eDistar Water Guard Kit for Proxxon LWB\/A – Coolant delivery system; recommended for safe use of this bit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Proxxon","offers":[{"title":"Default Title","offer_id":69023466488002,"sku":"28234","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0048\/3266\/files\/28234.jpg?v=1794556096","url":"https:\/\/skylinestoneproducts.com\/products\/proxxon-diamond-bit-28234-ball-3mm-glass-stone","provider":"Skyline Stone Products","version":"1.0","type":"link"}