{"product_id":"accupro-a-6100079r-micro-drill-bit-size-68-solid-carbide","title":"Accupro A-6100079R Micro Drill Bit Size 68 Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO A-6100079R is a solid carbide micro drill bit designed for precision drilling in small-diameter applications. Sized to wire gauge No. 68, it produces a 0.0311-inch diameter hole with a 120-degree standard point angle. The spiral flute geometry clears chips efficiently during through-hole and blind-hole operations. At 30 mm overall length with a 1.50 mm straight-cylindrical shank, this bit fits standard micro drill chucks and collet holders. The bright, uncoated finish keeps the carbide substrate exposed for clean entry into a range of workpiece materials. Right-hand cutting direction is standard for conventional drill press and CNC spindle rotation.\u003c\/p\u003e\u003cp\u003eThis micro drill bit is suited for precision machining tasks in electronics, instrument manufacturing, medical device fabrication, and other industries that require consistently accurate small-diameter holes. It fits into applications where standard jobber-length bits are too large and where hole location accuracy and clean entry are critical. The miniature series designation indicates its design intent for light-duty, tight-tolerance work on benchtop mills, drill presses, and CNC machining centers running appropriate low-feed, high-speed parameters for carbide tooling.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWire gauge No. 68 size produces a 0.0311-inch diameter hole\u003c\/li\u003e\n\u003cli\u003e120-degree standard point angle for accurate positioning at drill entry\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction for rigidity and wear resistance in micro-diameter drilling\u003c\/li\u003e\n\u003cli\u003eSpiral flute with regular helix for efficient chip evacuation\u003c\/li\u003e\n\u003cli\u003eBright, uncoated finish — no coating buildup at tight tolerances\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank at 1.50 mm diameter fits standard micro collets and chucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style micro drill bit for use in standard straight-shank micro collets and drill chucks accepting a 1.50 mm shank diameter.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use of this bit should be performed by machinists or tooling technicians familiar with micro-diameter carbide tooling. Always secure the shank fully in the collet or chuck before operation and verify runout is within acceptable limits for the application. Carbide micro bits are brittle — avoid lateral loading, interrupted cuts without appropriate feed reduction, and contact with hard inclusions in the workpiece. Power down the spindle completely before changing or inspecting the bit.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire Gauge)\u003c\/strong\u003e: No. 68\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.0311 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 120 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard\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\u003eFlute Length\u003c\/strong\u003e: 6.30 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 30 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1.50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\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\u003ePackage Dimensions\u003c\/strong\u003e: 1.75 inches length x 2.25 inches width x 0.25 inches height\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-6100079R\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51749140594994,"sku":"A-6100079R","price":200.14,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/46e7b6dd7dbe8d5da62f75b5e74b8adb.jpg?v=1788902531","url":"https:\/\/voomisupply.com\/products\/accupro-a-6100079r-micro-drill-bit-size-68-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}