{"product_id":"osg-61515-screw-machine-drill-bit-0-0591in-hss","title":"Osg 61515 Screw Machine Drill Bit 0.0591in Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe OSG 61515 is a screw machine length drill bit designed for high-performance drilling in metalworking and machining applications. Built from high speed steel with a coated finish, it features a 140-degree faceted point angle and a web-thinned, tapered web configuration that reduces thrust and improves chip evacuation. The straight-cylindrical shank measures 3.00mm in diameter, and the overall tool length is 41.00mm (approximately 1.61 inches). With two spiral flutes and a 5xD flute-to-diameter ratio, this bit delivers consistent cutting performance in production environments. It is installed and used by machinists and tool-and-die professionals working on precision drilling operations.\u003c\/p\u003e\u003cp\u003eThe OSG 61515 is suited for drilling into steel, stainless steel, aluminum, aluminum alloy, and aluminum silicate workpieces. Its screw machine length profile makes it a practical choice for CNC machining centers, drill presses, and manual machine tools where stub-length rigidity is preferred over jobber-length reach. The compact flute length of 9.00mm and reduced overall length improve stability at higher feed rates. This bit fits into standard drill chucks and collet holders accepting a 3.00mm straight-cylindrical shank.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.0591 inch (1.50mm) diameter with a tolerance of +0 to -0.014mm for precision hole sizing\u003c\/li\u003e\n\u003cli\u003e140-degree faceted point angle with web thinning for reduced entry thrust\u003c\/li\u003e\n\u003cli\u003eHigh speed steel construction with a protective coating for extended tool life\u003c\/li\u003e\n\u003cli\u003eRight-hand spiral flute design for efficient chip clearing in through-hole and blind-hole applications\u003c\/li\u003e\n\u003cli\u003eScrew machine (stub) length provides added rigidity compared to jobber-length bits\u003c\/li\u003e\n\u003cli\u003eCompatible with steel, stainless steel, aluminum, and aluminum alloy workpiece materials\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eThe OSG 61515 is a Series 1100 screw machine length drill bit suited for use with standard drill chucks and collet systems accepting a straight-cylindrical shank. Primary workpiece materials include steel, stainless steel, aluminum, aluminum alloy, and aluminum silicate as noted by the manufacturer.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use of this drill bit should be performed by qualified machinists following established shop safety procedures. Secure the shank fully in the chuck or collet before operation and verify runout is within acceptable tolerance for the application. Power down the machine completely before inserting or removing the bit. Always operate within the spindle speed and feed rate parameters appropriate for the workpiece material and bit diameter.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (Decimal Inch)\u003c\/strong\u003e: 0.0591 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (mm)\u003c\/strong\u003e: 1.50mm\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 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\u003eFlute Length\u003c\/strong\u003e: 9.00mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 41.00mm (approximately 1.61 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 3.00mm\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\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\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\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: 5xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: +0 to -0.014mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 1100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.013 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: 61515\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51736918163762,"sku":"61515","price":28.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0b9035f2fc2f28e315b0c216ba74f9ea.jpg?v=1788781917","url":"https:\/\/voomisupply.com\/products\/osg-61515-screw-machine-drill-bit-0-0591in-hss","provider":"Voomi Supply","version":"1.0","type":"link"}