{"product_id":"accupro-a-6120281r-micro-drill-bit-2-81mm-solid-carbide","title":"Accupro A-6120281R Micro Drill Bit 2.81mm Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO A-6120281R is a solid carbide micro drill bit designed for precision drilling in tight-tolerance applications. It carries a 2.81 mm diameter (0.1106 inch) with a 120-degree point angle and a spiral flute configuration for efficient chip evacuation. The bright, uncoated finish suits general-purpose drilling where coating buildup or heat retention would be a concern. With an overall length of 38 mm and a 3.00 mm straight-cylindrical shank, this bit fits standard collet and chuck setups. It is used by machinists, tool-and-die technicians, and precision fabricators working with CNC equipment or manual drill presses.\u003c\/p\u003e\u003cp\u003eThis micro drill bit is suited for small-hole work in metalworking, electronics manufacturing, printed circuit board production, mold-making, and other applications that demand consistent hole geometry at sub-4 mm diameters. The miniature series designation indicates it is built for fine-pitch drilling where standard jobber-length bits are not practical. Right-hand cutting direction is standard for conventional drill press and CNC spindle rotation.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e2.81 mm diameter with 0.1106 inch decimal equivalent for precise hole sizing\u003c\/li\u003e\n\u003cli\u003e120-degree standard point angle for accurate center entry and reduced walking\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction provides rigidity and wear resistance in hard materials\u003c\/li\u003e\n\u003cli\u003eSpiral flute with regular spiral type supports consistent chip removal\u003c\/li\u003e\n\u003cli\u003eBright uncoated finish — no coating buildup in gummy or soft materials\u003c\/li\u003e\n\u003cli\u003e14 mm flute length with 3.00 mm straight-cylindrical shank for broad collet compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in standard collet chucks and drill presses accepting a 3.00 mm straight-cylindrical shank. Suitable for CNC machining centers and manual spindles running right-hand rotation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use of micro drill bits should be performed by qualified machinists or tooling technicians familiar with small-diameter carbide tooling. Power down and lock out the spindle before changing bits. Carbide is brittle — avoid side loading, interrupted cuts without proper feed reduction, or over-tightening the collet beyond the chuck manufacturer specification. Always verify spindle runout before running small-diameter carbide to prevent premature breakage.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 2.81 mm (0.1106 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Angle\u003c\/strong\u003e: 120 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 38 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 14 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 3.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Miniature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.25 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ACCUPRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: A-6120281R\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51734702260530,"sku":"A-6120281R","price":289.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0bd5b4d92fcb01d18d2b0559920e0c05.jpg?v=1788765331","url":"https:\/\/voomisupply.com\/products\/accupro-a-6120281r-micro-drill-bit-2-81mm-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}