{"product_id":"kennametal-4149233-carbide-jobber-drill-letter-f","title":"Kennametal 4149233 Carbide Jobber Drill Letter F","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 4149233 is a solid carbide jobber-length drill bit sized to Letter F (0.2570 inches) with a 140-degree split-point geometry and a multilayer TiAlN coating. Manufactured to DIN 6537K specification, it features a regular spiral flute, right-hand cutting direction, and a straight cylindrical shank. Overall length is 3.5827 inches (91.00 mm), with a flute length of 2.0866 inches (53.00 mm) and a maximum drilling depth of 1.6929 inches (43.00 mm). Coolant-through capability supports high-feed, deep-hole applications in demanding production environments. This bit is installed and used by machinists and tool-and-die professionals in CNC and manual drilling operations.\u003c\/p\u003e\u003cp\u003eThe 4149233 is suited for drilling steel, stainless steel, cast iron, aluminum, and other non-ferrous materials. Its 5xD flute-to-diameter ratio and tapered web configuration make it appropriate for precision hole-making in both job-shop and production-floor environments. The straight shank with a diameter of 0.5156 inches (8 mm) fits standard drill chucks and collet holders without modification. This bit performs reliably in applications where hole location accuracy and tool life under interrupted or continuous cuts are priorities.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction for rigidity and wear resistance in hard and abrasive materials\u003c\/li\u003e\n\u003cli\u003e140-degree point angle reduces thrust force and improves self-centering on entry\u003c\/li\u003e\n\u003cli\u003eMultilayer TiAlN coating extends tool life in high-temperature cutting conditions\u003c\/li\u003e\n\u003cli\u003eCoolant-through design supports chip evacuation and thermal management in deep-hole drilling\u003c\/li\u003e\n\u003cli\u003eManufactured to DIN 6537K specification for consistent dimensional accuracy\u003c\/li\u003e\n\u003cli\u003eRight-hand, regular spiral flute geometry optimized for standard drill press and CNC spindle use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-specification replacement or direct-fit drill bit for applications requiring a Letter F diameter (0.2570 inches) straight-shank jobber drill in steel, stainless steel, cast iron, aluminum, and non-ferrous workpiece materials per DIN 6537K.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use of this drill bit should be performed by qualified machinists or tooling technicians familiar with CNC or manual drill press operation. Ensure the spindle is fully stopped and the machine is in a safe state before changing tooling. Confirm chuck or collet runout is within tolerance before use, as excessive runout will accelerate wear and reduce hole accuracy. Follow applicable shop safety standards and machine manufacturer guidelines for feed rate and spindle speed selection.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Letter)\u003c\/strong\u003e: F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.2570 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 140 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: Multilayer TiAlN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3.5827 inches (91.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 2.0866 inches (53.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 1.6929 inches (43.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.5156 inches (8 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.4173 inches (36 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Length\u003c\/strong\u003e: 0.0432 inches (1.10 mm)\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: Regular Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute By Diameter Ratio\u003c\/strong\u003e: 5xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight Cylindrical\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: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter Tolerance\u003c\/strong\u003e: -0.0006 to 0.0000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification\u003c\/strong\u003e: DIN 6537K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel, Stainless Steel, Cast Iron, Aluminum and Non-Ferrous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241634\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 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: KENNAMETAL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 4149233\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51742222549298,"sku":"4149233","price":171.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ffec871849452c3864164ef8b105c743.jpg?v=1788835988","url":"https:\/\/voomisupply.com\/products\/kennametal-4149233-carbide-jobber-drill-letter-f","provider":"Voomi Supply","version":"1.0","type":"link"}