{"product_id":"sumitomo-u101220-solid-carbide-jobber-drill-bit-5-8-in","title":"Sumitomo U101220 Solid Carbide Jobber Drill Bit 5\/8 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SUMITOMO U101220 is a solid carbide jobber-length drill bit designed for high-performance metal cutting applications. It measures 5\/8 inches (0.6250 inches) in diameter with a 135-degree drill point angle optimized for self-centering entry and reduced thrust on hard materials. The bit carries a dual TiAlCr and TiSi coating that extends tool life and improves heat resistance during high-speed drilling. At 6.2992 inches overall length with a 3.7795-inch flute length and a 4xD flute-to-diameter ratio, this tool is suited for production drilling where rigidity and chip evacuation are critical. It is installed and run by machinists and tool-and-die professionals on CNC and manual drill presses.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is intended for use in metal cutting operations on cast iron and steel workpieces. The MDW-GS series is engineered for applications where tool life and dimensional accuracy matter, such as production-floor drilling on ferrous metals. The straight-cylindrical shank at 0.6250 inches diameter fits standard collet chucks and drill chucks designed for that bore size. This is a non-coolant-through design, making it straightforward to apply in setups without internal coolant delivery.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide construction for rigidity and wear resistance in ferrous metal drilling\u003c\/li\u003e\n  \u003cli\u003eTiAlCr and TiSi dual coating for extended tool life and heat resistance\u003c\/li\u003e\n  \u003cli\u003e135-degree drill point angle for self-centering and reduced thrust force\u003c\/li\u003e\n  \u003cli\u003e4xD flute-to-diameter ratio supports efficient chip evacuation in deeper holes\u003c\/li\u003e\n  \u003cli\u003eTapered web configuration helps maintain point strength through the flute length\u003c\/li\u003e\n  \u003cli\u003eDiameter tolerance h8 for consistent fit and dimensional accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in cast iron and steel cutting applications. Primary workpiece material codes K and P per ISO classification. Fits standard straight-cylindrical 5\/8-inch collet or drill chuck toolholding systems. Part of the MDW-GS series covering the 0.5000 to 0.6500 inch drill bit diameter range.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis bit is installed by machinists or tooling technicians on CNC machining centers or manual drill presses. Ensure the machine spindle and toolholder are de-energized and fully stopped before changing tooling. Verify chuck or collet bore matches the 0.6250-inch straight-cylindrical shank before seating. Because this is not a coolant-through design, apply external flood or mist coolant as required by the workpiece material and cutting parameters.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 5\/8 inches (0.6250 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 135 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiAlCr and TiSi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 6.2992 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 3.7795 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.6250 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 2.5197 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 4xD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Length\u003c\/strong\u003e: 0.1294 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: h8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Cast Iron, Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: MDW-GS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.6 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: SUMITOMO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: U101220\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SUMITOMO","offers":[{"title":"Default Title","offer_id":51734408200498,"sku":"U101220","price":505.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/809c3b5cfe0cd1fe46b589a324a80d0a.jpg?v=1788762925","url":"https:\/\/voomisupply.com\/products\/sumitomo-u101220-solid-carbide-jobber-drill-bit-5-8-in","provider":"Voomi Supply","version":"1.0","type":"link"}