{"product_id":"accupro-a-6100191r-micro-drill-bit-1-91-mm-solid-carbide","title":"Accupro A-6100191R Micro Drill Bit 1.91 Mm Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ACCUPRO A-6100191R is a solid carbide micro drill bit designed for precision drilling in tight-tolerance applications. It measures 1.91 mm (0.0752 inches) in diameter with an overall length of 38 mm and a flute length of 12 mm. The 120-degree standard point angle promotes accurate entry and reduces walking on hard surfaces. The bright, uncoated finish suits applications where coating buildup or contamination is a concern. This bit belongs to the Miniature series and is intended for machinists, tool-and-die technicians, and precision fabricators working on small-diameter bore requirements.\u003c\/p\u003e\n\u003cp\u003eThis micro drill bit fits drilling operations where extremely small hole diameters are required, such as printed circuit board work, instrument manufacturing, watchmaking fixtures, and precision mold or die components. The right-hand spiral flute geometry clears chips efficiently during through-hole and blind-hole drilling. The straight-cylindrical shank with a 2.00 mm diameter seats securely in standard collet chucks and drill chucks sized for miniature tooling. It is suited to CNC machining centers, drill presses, and precision hand-held drilling equipment operating at appropriate spindle speeds for carbide micro tooling.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide construction for rigidity and wear resistance in hard and abrasive materials\u003c\/li\u003e\n  \u003cli\u003e1.91 mm (0.0752 inches) cutting diameter for precise micro-bore applications\u003c\/li\u003e\n  \u003cli\u003e120-degree standard point angle for controlled entry and reduced bit deflection\u003c\/li\u003e\n  \u003cli\u003eBright, uncoated finish — no coating interference in sensitive or contamination-critical applications\u003c\/li\u003e\n  \u003cli\u003eRegular spiral flute with right-hand cut for efficient chip evacuation\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank at 2.00 mm diameter for broad collet and chuck compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and standard miniature series micro drill bit suitable for collet chucks and drill chucks accepting a 2.00 mm straight-cylindrical shank.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eMicro drill bits should be installed and removed by a qualified machinist using a properly sized collet or drill chuck; never force or overtighten. Secure the workpiece firmly before drilling to prevent bit deflection or breakage at small diameters. Run at manufacturer-recommended spindle speeds for solid carbide micro tooling in the specific work material. Inspect the cutting edge before each use — solid carbide is brittle at micro diameters and should be replaced rather than reground in the field.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 1.91 mm (0.0752 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\u003eOverall Length\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: 2.00 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\u003ePoint Type\u003c\/strong\u003e: Standard\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 Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.25 pounds\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-6100191R\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51754429546802,"sku":"A-6100191R","price":247.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/00eb6f991caa761e7725eae573fe3eb9.jpg?v=1788945275","url":"https:\/\/voomisupply.com\/products\/accupro-a-6100191r-micro-drill-bit-1-91-mm-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}