{"product_id":"osg-655043712-extra-length-drill-bit-7-16-in-solid-carbide","title":"Osg 655043712 Extra Length Drill Bit 7\/16 in Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe OSG 655043712 is a solid carbide extra length drill bit designed for deep-hole drilling applications in demanding production environments. Built to Series 6550 specifications, it features a 7\/16 inch (0.4375 inch) diameter, a 140-degree drill point angle, and an EgiAs coating finish that enhances wear resistance and lubricity at the cutting edge. The flute length measures approximately 13.78 inches (350 mm) and the overall length is approximately 15.75 inches (400 mm), making this bit suited for reaching depth-to-diameter ratios up to 30xD. Coolant-through capability supports chip evacuation and heat management during extended cuts. Right-hand cutting direction and X-thinned web geometry reduce entry thrust and improve penetration rates in ferrous and non-ferrous materials.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is used in CNC machining centers, drill presses, and horizontal boring setups where standard-length tooling cannot reach required depths. Typical applications include deep-hole drilling in structural components, mold and die work, aerospace frame parts, and precision mechanical assemblies. The straight-cylindrical shank with a 7\/16 inch diameter seats in standard collet chucks and drill holders without adapters. It is installed and operated by machinists, tool-and-die makers, and CNC programmers working in job shops or production facilities.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide construction for rigidity and extended tool life in hard or abrasive materials\u003c\/li\u003e\n  \u003cli\u003eEgiAs coating finish reduces friction and improves wear resistance at the cutting edge\u003c\/li\u003e\n  \u003cli\u003e140-degree drill point angle optimized for controlled entry and reduced walking on flat surfaces\u003c\/li\u003e\n  \u003cli\u003eCoolant-through design supports chip evacuation and thermal management in deep-hole drilling\u003c\/li\u003e\n  \u003cli\u003eX-thinned web geometry lowers thrust requirements and improves hole entry performance\u003c\/li\u003e\n  \u003cli\u003e30xD flute-to-diameter ratio enables deep reaches not possible with jobber or stub-length tooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style solid carbide deep-hole drill for use in standard 7\/16 inch straight-shank collet chucks, shrink-fit holders, and hydraulic drill holders on CNC machining centers and drill presses.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified machinist or CNC operator. Ensure the machine spindle and workpiece are fully stopped and the tool holder is clean and free of debris before seating the shank. Confirm coolant-through channels are clear and that the machine tool pressure matches the bit requirements before initiating a cut. Follow shop safety protocols and applicable OSHA machining guidelines when handling carbide tooling.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 7\/16 inch (0.4375 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: approximately 15.75 inches (400 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: approximately 13.78 inches (350 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 7\/16 inch (0.4375 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 Point Angle\u003c\/strong\u003e: 140 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 30xD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: X-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\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: EgiAs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 6550\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 16.25 inches L x 1 inch W x 0.9 inches H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.785 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: OSG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 655043712\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51733638676786,"sku":"655043712","price":1469.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5b545a6fc38d2088df443cd3a3fa9f2d_0c80d77f-e3e5-4468-9bb1-608a20e12f41.jpg?v=1788757286","url":"https:\/\/voomisupply.com\/products\/osg-655043712-extra-length-drill-bit-7-16-in-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}