{"product_id":"sgs-66447-screw-machine-drill-bit-23-64-in-solid-carbide","title":"Sgs 66447 Screw Machine Drill Bit 23\/64 in Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SGS 66447 is a screw machine length drill bit designed for high-performance drilling across a wide range of materials. Built from micrograin solid carbide and coated with Ti-NAMITE-X, it delivers extended tool life and resistance to heat buildup under demanding cutting conditions. The bit measures 23\/64 inches (0.3031 inches decimal) in diameter with a 135-degree split point and a 3-1\/2 inch overall length. The web-thinned point reduces thrust force at entry and improves centering accuracy. With coolant-through capability and a 4-margin straight-cylindrical shank, this bit is engineered for precision hole-making in production and maintenance environments. It is suited for CNC machining centers, drill presses, and manual operations requiring tight-tolerance holes.\u003c\/p\u003e\u003cp\u003eThe SGS 66447 is intended for use in metalworking, fabrication, and industrial maintenance applications. Its universal primary workpiece material rating makes it appropriate for ferrous metals, non-ferrous alloys, and similar materials encountered in general machining. The screw machine length profile, with a flute length of approximately 1.61 inches, provides rigidity in short-reach setups and minimizes deflection in production drilling. The straight-cylindrical shank accommodates standard drill chucks and collet systems. This bit fits applications where consistent hole diameter tolerance and finish quality are required across repeated operations.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMicrograin solid carbide construction for hardness and wear resistance\u003c\/li\u003e\n\u003cli\u003eTi-NAMITE-X coating for extended tool life and reduced friction\u003c\/li\u003e\n\u003cli\u003e135-degree split point with web thinning for reduced entry thrust and improved centering\u003c\/li\u003e\n\u003cli\u003eCoolant-through design supports internal coolant delivery in compatible setups\u003c\/li\u003e\n\u003cli\u003e4-margin geometry improves hole roundness and surface finish\u003c\/li\u003e\n\u003cli\u003eRight-hand spiral flute with regular spiral type for efficient chip evacuation\u003c\/li\u003e\n\u003cli\u003eConforms to DIN 6537 specification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a high-performance screw machine length drill bit compatible with standard drill chucks and collet systems accepting a 0.3900-inch straight-cylindrical shank. Suitable for CNC machining centers and manual drill setups across universal workpiece materials per Series 142P specification.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by qualified machinists or maintenance technicians familiar with rotating cutting tools. Ensure the machine spindle is fully stopped and the tool is securely seated in the chuck or collet before beginning a cut. When using the coolant-through feature, confirm that the machine tool's coolant circuit is rated for through-spindle delivery before engaging. Follow applicable shop safety standards and manufacturer guidelines for drill speed and feed rate selection based on workpiece material and machine capability.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 23\/64 inches (0.3031 inches decimal, 7.70 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3-1\/2 inches (3.1102 inches decimal, 79 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.6142 inches (41.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.3900 inches (8.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.4173 inches (36.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 135 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Length\u003c\/strong\u003e: 0.0628 inches (1.60 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 1.6142 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Margins\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral, Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard, Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide, Micrograin Grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Ti-NAMITE-X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Length Type\u003c\/strong\u003e: Screw Machine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 3xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: +0.00024 to +0.00083 inches (+0.006 to +0.021 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 142P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification\u003c\/strong\u003e: DIN 6537\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.12 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: SGS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 66447\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KYOCERA SGS PRECISION TOOLS","offers":[{"title":"Default Title","offer_id":51732906737970,"sku":"66447","price":264.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/69351460bd1bcf2422d51c7d45ded72f.jpg?v=1788748613","url":"https:\/\/voomisupply.com\/products\/sgs-66447-screw-machine-drill-bit-23-64-in-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}