{"product_id":"m-a-ford-20648440-carbide-screw-machine-drill-bit-31-64","title":"M.a. Ford 20648440 Carbide Screw Machine Drill Bit 31\/64","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe M.A. FORD 20648440 is a solid carbide screw machine length drill bit designed for high-precision drilling in demanding industrial and machining applications. Built to Series 206 specifications, it features a 118-degree faceted point angle, a regular spiral flute, and a web-thinned parallel web configuration for improved chip evacuation and reduced thrust. The bit measures 0.4844 inches (31\/64 inch) in diameter with an overall length of 3 inches and a straight-cylindrical shank. Its bright\/uncoated finish suits applications where coating is not required or where the base carbide substrate performs best unmodified.\u003c\/p\u003e\u003cp\u003eThis drill bit is engineered for right-hand cutting in a short-length format, making it well-suited for screw machine operations, CNC machining centers, and production drilling environments where rigidity and hole accuracy are critical. Primary workpiece materials include cast iron, non-ferrous metals, stainless steel, and steel. The 3xD flute-to-diameter ratio and 1.25-inch flute length support controlled chip removal in these materials. It is typically installed and operated by machinists and tool-and-die professionals working in precision manufacturing settings.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction for rigidity and wear resistance in ferrous and non-ferrous materials\u003c\/li\u003e\n\u003cli\u003e118-degree faceted drill point with web-thinned parallel web for reduced entry thrust\u003c\/li\u003e\n\u003cli\u003eRegular spiral flute, 1.25-inch flute length, 3xD ratio for efficient chip evacuation\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank at 0.4844 inches for standard chuck and collet compatibility\u003c\/li\u003e\n\u003cli\u003eRight-hand cut with bright\/uncoated finish suitable for cast iron, stainless steel, and steel\u003c\/li\u003e\n\u003cli\u003eDiameter tolerance held to +0.0000 to -0.0005 inches for tight-tolerance hole work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style screw machine length drill bit for use in standard straight-shank drill chucks and collets on screw machines, lathes, and CNC machining centers requiring a 31\/64-inch diameter hole in the 0.4500 to 0.5000 inch size range.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and operation should be performed by qualified machinists familiar with carbide tooling. Ensure the spindle and chuck are fully powered down before loading or removing the bit. Carbide tooling is brittle and should not be subjected to side-loading, interrupted cuts beyond its rated capability, or improper runout conditions that can cause chipping or fracture. Verify chuck or collet runout is within acceptable limits before production use.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.4844 inches (31\/64 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.4844 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\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\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\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Parallel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 3xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Length Type\u003c\/strong\u003e: Short (Screw Machine Length)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: +0.0000 to -0.0005 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Materials\u003c\/strong\u003e: Cast Iron, Non-Ferrous Metal, Stainless Steel, Steel\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: 206\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 20648440\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M.A. FORD","offers":[{"title":"Default Title","offer_id":51748735058226,"sku":"20648440","price":125.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/01e7b23308cd60a4613f795d9f995e48_472f55d8-bc44-4784-a697-64ca9bf93c83.jpg?v=1788897493","url":"https:\/\/voomisupply.com\/products\/m-a-ford-20648440-carbide-screw-machine-drill-bit-31-64","provider":"Voomi Supply","version":"1.0","type":"link"}