{"product_id":"osg-11569415-screw-machine-drill-bit-0-5-in-hss","title":"Osg 11569415 Screw Machine Drill Bit 0.5 in Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe OSG 11569415 is a screw machine length drill bit designed for high-performance drilling in metalworking and fabrication applications. Built from high speed steel (HSS) with a coated finish, this bit features a 0.5-inch (12.70 mm) diameter, a 120-degree faceted drill point, and a web-thinned, tapered web configuration that reduces thrust and improves chip clearance. The straight-cylindrical shank seats securely in standard drill chucks. With two spiral flutes and a regular spiral type, it delivers consistent chip evacuation during right-hand cutting operations. This bit is suited for machinists, fabricators, and maintenance technicians working with production drilling setups.\u003c\/p\u003e\u003cp\u003eThe 11569415 is engineered for use on steel, alloy steel, aluminum, aluminum alloy, and aluminum silicate workpieces. Its screw machine length (stub) profile provides added rigidity compared to jobber-length bits, making it well-suited for drill press, CNC, and turret lathe applications where shorter reach and reduced deflection improve hole accuracy. The overall length is 108.00 mm (approximately 4.25 inches) with a flute length of 51.00 mm (approximately 2.0 inches) and a shank diameter of 12.00 mm (approximately 0.47 inches). The 3xD flute-to-diameter ratio supports controlled chip flow in moderate-depth holes.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.5-inch (12.70 mm) cutting diameter with a +0 to -0.027 mm tolerance for precise hole sizing\u003c\/li\u003e\n\u003cli\u003e120-degree faceted drill point reduces walking and improves entry on flat stock\u003c\/li\u003e\n\u003cli\u003eWeb-thinned tapered web lowers cutting thrust and extends tool life\u003c\/li\u003e\n\u003cli\u003eHigh speed steel construction with coated finish for wear resistance on ferrous and non-ferrous materials\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank fits standard drill chucks and collet holders\u003c\/li\u003e\n\u003cli\u003eRight-hand spiral flute design ensures compatibility with conventional drilling equipment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eThe OSG 11569415 is rated for use on steel, alloy steel, aluminum, aluminum alloy, and aluminum silicate workpieces. It belongs to OSG Series 1150 and fits drill chucks accepting a 12.00 mm straight-cylindrical shank.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or maintenance technician. Secure the shank fully in the drill chuck or collet before operation, and confirm the spindle is at a complete stop before making any tool changes. Use cutting fluid or coolant appropriate for the workpiece material to manage heat, as this bit does not support coolant-through delivery. Follow applicable machine guarding requirements and shop safety standards when operating drilling equipment.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.5 inches (12.70 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 108.00 mm (approximately 4.25 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 51.00 mm (approximately 2.0 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 12.00 mm (approximately 0.47 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 120 degrees\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\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Faceted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Coated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\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\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: +0 to -0.027 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 1150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.18 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: OSG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 11569415\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51730403230002,"sku":"11569415","price":226.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ed03926075131be36795afdda21816b9_fcc8d7f6-d572-4ba7-b094-a94de5e62b44.jpg?v=1788716836","url":"https:\/\/voomisupply.com\/products\/osg-11569415-screw-machine-drill-bit-0-5-in-hss","provider":"Voomi Supply","version":"1.0","type":"link"}