{"product_id":"m-a-ford-20403900-carbide-drill-bit-no-61-0-0390-in","title":"M.a. Ford. 20403900 Carbide Drill Bit No. 61 0.0390 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe M.A. FORD. 20403900 is a solid carbide jobber length drill bit sized to No. 61 wire gauge (0.0390 inches decimal), designed for precision drilling in hard and abrasive materials. The 118-degree faceted point provides positive centering and clean entry, while the web-thinned, tapered-web geometry reduces thrust and improves chip evacuation. With a bright (uncoated) finish and regular spiral flute, this bit is suited for general-purpose drilling where dimensional accuracy is critical. It is sold individually and intended for use in CNC machining centers, drill presses, and precision hand-held equipment. Licensed machinists and tooling technicians are the primary installers and users.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is appropriate for small-hole drilling applications in metalworking, electronics manufacturing, tooling, and precision fabrication. The straight-cylindrical shank seats securely in standard collets and drill chucks. The 0.0390-inch diameter and tight tolerance of -0.0005 to 0.0000 inches make it suitable for close-tolerance hole work in steel, aluminum, brass, plastics, and composite materials. The short 0.5-inch flute length and 1.5-inch overall length are optimized for rigidity and runout control in small-diameter drilling.\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\u003eNo. 61 wire size, 0.0390-inch decimal diameter with tight tolerance (-0.0005 to 0.0000 inches)\u003c\/li\u003e\n  \u003cli\u003e118-degree faceted drill point with web thinning for reduced entry thrust\u003c\/li\u003e\n  \u003cli\u003eRegular spiral flute with tapered-web configuration for efficient chip removal\u003c\/li\u003e\n  \u003cli\u003eBright finish  -  no coating that could affect hole diameter or chip flow\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank compatible with standard collets and drill chucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a general-purpose solid carbide jobber drill for use in standard drill chucks and collet systems accepting a 0.0390-inch straight-cylindrical shank. Suitable for a wide range of machine tools including CNC machining centers and bench-top drill presses within the 0.0000 to 0.0500-inch small-diameter drill size range.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstall in a properly sized collet or drill chuck rated for the 0.0390-inch shank diameter; verify concentricity and minimize runout before drilling. Ensure the spindle and workpiece are fully secured before engaging the drill. Solid carbide is brittle  -  avoid lateral loading, interrupted cuts without proper feed rates, and re-chucking a bent or damaged bit. Follow shop safety practices and machine manufacturer guidelines for small-diameter tooling speeds and feeds.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire)\u003c\/strong\u003e: No. 61\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.0390 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 118 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Faceted\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\u003eFlute Length\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.0390 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Finish\/Coating\u003c\/strong\u003e: Bright\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: -0.0005 to 0.0000 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Grade\u003c\/strong\u003e: General Purpose\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241634\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: M.A. FORD.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 20403900\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M.A. FORD","offers":[{"title":"Default Title","offer_id":51739623489842,"sku":"20403900","price":27.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/fecddcf66c11aa2dc724f7adba6b3b8f.jpg?v=1788817050","url":"https:\/\/voomisupply.com\/products\/m-a-ford-20403900-carbide-drill-bit-no-61-0-0390-in","provider":"Voomi Supply","version":"1.0","type":"link"}