{"product_id":"chicago-latrobe-48549-screw-machine-drill-bit-49-64-in-hss","title":"Chicago-latrobe 48549 Screw Machine Drill Bit 49\/64 in Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe CHICAGO-LATROBE 48549 is a screw machine length drill bit designed for high-production drilling in metalworking applications. Built from high speed steel with a coated finish, this bit delivers consistent performance cutting through cast iron, non-ferrous metals, and steel. The 49\/64 inch (0.7656 inch) diameter, 118-degree standard point angle, and web-thinned geometry help reduce thrust and improve chip clearance. The parallel web configuration and regular spiral flute promote efficient material evacuation. At 5.125 inches overall length, this stub-length format provides added rigidity compared to jobber-length bits, making it well suited for drill press and CNC turret work.\u003c\/p\u003e\n\u003cp\u003eThis bit is a general purpose tool used in machine shops, fabrication facilities, and maintenance environments. The screw machine length format is commonly specified when drilling in materials such as structural steel, aluminum, copper, and gray cast iron where shorter overhang reduces deflection and chatter. It installs in drill presses, screw machines, CNC machining centers, and manual turret lathes equipped with a straight-shank chuck or collet sized for the 49\/64 inch diameter shank. No coolant-through capability is required for general purpose applications, though flood coolant or cutting fluid is recommended when drilling deeper holes or harder alloys.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e49\/64 inch (0.7656 inch) diameter with a tight tolerance of +0.0000 to -0.0012 inches\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction with a coated finish for extended tool life\u003c\/li\u003e\n  \u003cli\u003e118-degree standard point angle with web-thinned, parallel web for reduced entry thrust\u003c\/li\u003e\n  \u003cli\u003eRegular spiral flute with 2 flutes for reliable chip evacuation in ferrous and non-ferrous materials\u003c\/li\u003e\n  \u003cli\u003eScrew machine (stub) length at 5.125 inches overall and 3.25 inches flute length for increased rigidity\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut, straight-cylindrical shank compatible with standard drill chucks and collets\u003c\/li\u003e\n  \u003cli\u003eSeries 157 general purpose grade, manufactured to ISO standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use on cast iron, non-ferrous metals, and steel workpieces. Compatible with any drill press, CNC turret, screw machine, or machining center equipped with a chuck or collet that accepts a straight-cylindrical shank at 49\/64 inch diameter.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eSecure the shank fully in a properly sized chuck or collet before beginning any drilling operation. Always power down and lock out the spindle before changing bits. Use cutting fluid or flood coolant to extend tool life and manage heat when drilling harder alloys or at elevated feed rates. Inspect the cutting edges and web for wear or chipping before each use and replace the bit if diameter tolerance or point geometry is compromised.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Fraction)\u003c\/strong\u003e: 49\/64 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal)\u003c\/strong\u003e: 0.7656 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 118 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 5.125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 3.25 inches\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: Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Parallel, 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\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\u003ePrimary Workpiece Material\u003c\/strong\u003e: Cast Iron, Non-Ferrous Metal, Steel\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: +0.0000 to -0.0012 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Length Type\u003c\/strong\u003e: Screw Machine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 157\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ISO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.469 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: CHICAGO-LATROBE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 48549\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CHICAGO-LATROBE","offers":[{"title":"Default Title","offer_id":51727273460018,"sku":"48549","price":76.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/fdbd432cfb021f80046de1947452a524.jpg?v=1788675749","url":"https:\/\/voomisupply.com\/products\/chicago-latrobe-48549-screw-machine-drill-bit-49-64-in-hss","provider":"Voomi Supply","version":"1.0","type":"link"}