{"product_id":"osg-hp253-1969-screw-machine-drill-bit-0-1969-in-carbide","title":"Osg HP253-1969 Screw Machine Drill Bit 0.1969 in Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe OSG HP253-1969 is a solid carbide screw machine length drill bit designed for high-performance drilling in steel, alloy steel, and cast iron. It has a 0.1969 inch (5.00 mm) diameter, a 140-degree drill point angle, and a right-hand spiral flute configuration. The bit features coolant-through capability, which helps manage heat and chip evacuation during demanding cutting operations. At 66.00 mm overall length with a 6.00 mm straight-cylindrical shank, this bit fits standard tool holders used in CNC machining centers and screw machine applications. It is intended for use by machinists and tool-room professionals working in production environments.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is rated for primary workpiece materials including steel, alloy steel, and cast iron. The screw machine length format — shorter than jobber length — provides added rigidity and reduced deflection, making it well suited for close-tolerance hole placement in tight-clearance fixtures or short-setup machining operations. The HP253 series is built for a 3xD flute-to-diameter ratio, keeping chip loads manageable in interrupted or continuous cuts through ferrous materials.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide construction for extended tool life in ferrous materials\u003c\/li\u003e\n  \u003cli\u003e140-degree drill point angle reduces thrust and improves entry accuracy\u003c\/li\u003e\n  \u003cli\u003eCoolant-through design supports high-speed drilling with active chip and heat management\u003c\/li\u003e\n  \u003cli\u003eR-thinned web with tapered web configuration minimizes chisel-edge walking at entry\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut, regular spiral flute for consistent chip evacuation\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank fits standard collets and drill chucks without adaptation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for drilling steel, alloy steel, and cast iron workpieces. Fits tool holders and collets accepting a 6.00 mm straight-cylindrical shank. Applicable to CNC machining centers, screw machines, and similar production drilling equipment.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and use should be performed by qualified machinists familiar with carbide tooling. Ensure the spindle and workpiece are fully secured before engaging the cut. Confirm the coolant-through system is active and delivering adequate flow before running at elevated speeds to prevent thermal shock to the carbide substrate. Do not use this bit in hand-drill applications — it is intended for rigid machine setups only.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.1969 inches (5.00 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 66.00 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 28.00 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 6.00 mm\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 Type\u003c\/strong\u003e: Spiral, Regular\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: R-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered\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: Coated\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\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel, Alloy Steel, Cast Iron\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter Tolerance\u003c\/strong\u003e: +0.004 to +0.016 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: HP253\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.045 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: HP253-1969\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51738721354034,"sku":"HP253-1969","price":88.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/9ba08f07d60189f94004c35c559bb6a4.jpg?v=1788803394","url":"https:\/\/voomisupply.com\/products\/osg-hp253-1969-screw-machine-drill-bit-0-1969-in-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}