{"product_id":"accupro-a-6100181r-micro-drill-bit-1-81mm-solid-carbide","title":"Accupro A-6100181R Micro Drill Bit 1.81mm Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ACCUPRO A-6100181R is a solid carbide micro drill bit designed for precision drilling in tight-tolerance applications. With a 1.81 mm (0.0713 inches) diameter and a 120-degree drill point angle, this bit delivers accurate, clean entry in hard and abrasive materials where high-speed steel tooling falls short. The bright\/uncoated finish suits applications where coating interaction with the workpiece material is a concern. At 38 mm overall length with a 12 mm flute length and a 2 mm straight cylindrical shank, it fits standard micro-drilling setups. It is part of the Miniature Series and is sold individually with a minimum order of 10 units.\u003c\/p\u003e\n\u003cp\u003eThis micro drill bit is suited for machinists, tool-and-die makers, electronics assembly shops, and precision fabrication environments. It handles small-hole drilling in circuit boards, instrument components, watch parts, medical device components, and other applications requiring sub-2 mm hole diameters. The right-hand cutting direction and spiral flute geometry support standard CNC machining centers and bench-top drill presses configured for micro work. Its solid carbide construction holds up in hardened steels, stainless steel, cast iron, and nonferrous alloys where rigidity at small diameters is critical.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1.81 mm (0.0713 inches) diameter for sub-2 mm precision drilling\u003c\/li\u003e\n  \u003cli\u003eSolid carbide construction provides rigidity and wear resistance at small diameters\u003c\/li\u003e\n  \u003cli\u003e120-degree drill point angle for standard entry geometry in a range of materials\u003c\/li\u003e\n  \u003cli\u003eBright\/uncoated finish compatible with a wide range of workpiece materials\u003c\/li\u003e\n  \u003cli\u003eSpiral flute, right-hand cut with straight cylindrical shank for secure chuck engagement\u003c\/li\u003e\n  \u003cli\u003eMiniature Series design optimized for high-precision, small-hole applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and standard tooling option for micro-drilling setups using a 2 mm straight cylindrical shank interface on CNC machining centers, drill presses, and precision micro-drilling spindles.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and use should be performed by qualified machinists familiar with micro-tooling handling practices. Secure the 2 mm shank firmly in a collet or drill chuck rated for the intended spindle speed before operation. At sub-2 mm diameters, carbide is brittle — avoid side loading, off-center entry, or excessive feed pressure that can cause breakage. Follow the machine manufacturer's recommended speeds and feeds for solid carbide micro drills in the target material.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 1.81 mm (0.0713 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 120 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length (OAL)\u003c\/strong\u003e: 38 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 12 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 2 mm\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\u003eCutting Direction\u003c\/strong\u003e: Right Hand\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\u003eShank Type\u003c\/strong\u003e: Straight Cylindrical\u003c\/li\u003e\n  li\u0026gt;\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard\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 Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 10\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.25 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241600\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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-6100181R\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51734940844338,"sku":"A-6100181R","price":247.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/674f4b0bde1ddb4ba06eae836a82701e_55caf972-c4e2-4b4b-aabe-71f2f924ce72.jpg?v=1788768370","url":"https:\/\/voomisupply.com\/products\/accupro-a-6100181r-micro-drill-bit-1-81mm-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}