{"product_id":"sgs-54811-solid-carbide-jobber-drill-bit-letter-f","title":"Sgs 54811 Solid Carbide Jobber Drill Bit Letter F","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SGS 54811 is a solid carbide jobber-length drill bit sized to Letter F (0.257 inches \/ 6.53 mm) with a 124-degree notched point angle and a titanium diboride (TiB2) finish. It features a three-flute, right-hand spiral design with a straight cylindrical shank, giving it a 5xD flute-to-diameter ratio suited for high-performance drilling applications. The overall length is 3.583 inches (91.00 mm), with a flute length of 2.087 inches (53.00 mm) and a maximum drilling depth of 1.693 inches (43.00 mm). This bit is part of SGS Series 131N and is intended for installation by machinists, tool-and-die technicians, and precision metalworking professionals who require tight-tolerance hole production.\u003c\/p\u003e\u003cp\u003eThe SGS 54811 is designed for high-performance drilling in demanding materials where solid carbide construction and a TiB2 coating deliver superior wear resistance and thermal stability. The notched point reduces thrust and improves chip evacuation at entry. The 8.00 mm straight cylindrical shank fits standard drill chucks and collet holders used in CNC machining centers, drill presses, and manual mills. It is suited for applications in automotive, aerospace, and general precision metalworking environments where consistent hole geometry and diameter tolerance are critical.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction for rigidity and extended tool life in hard or abrasive materials\u003c\/li\u003e\n\u003cli\u003eTitanium diboride (TiB2) coating reduces friction and improves surface finish at the cutting edge\u003c\/li\u003e\n\u003cli\u003e124-degree notched point reduces entry thrust and promotes self-centering\u003c\/li\u003e\n\u003cli\u003eThree-flute spiral design improves chip evacuation compared to standard two-flute geometry\u003c\/li\u003e\n\u003cli\u003eDiameter tolerance of +0.006 to +0.021 mm supports precision hole sizing\u003c\/li\u003e\n\u003cli\u003e5xD flute-to-diameter ratio provides additional reach for deeper hole applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-fit replacement or standard tooling selection for any drill chuck or collet holder accepting an 8.00 mm straight cylindrical shank, compatible with CNC machining centers, drill presses, and milling machines requiring a Letter F jobber-length drill bit.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by qualified machinists or tooling technicians familiar with carbide cutting tools. Secure the shank fully in the collet or chuck to the recommended engagement depth before operation. Carbide tooling is brittle and susceptible to chipping from side-loading or impact  -  avoid using carbide drill bits in hand-held portable drills. Confirm spindle speed and feed rate are appropriate for the workpiece material and drill diameter before beginning the cut.\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: 0.257 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (mm)\u003c\/strong\u003e: 6.53 mm\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\/Finish\u003c\/strong\u003e: Titanium Diboride (TiB2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Angle\u003c\/strong\u003e: 124 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Notched\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute By Diameter Ratio\u003c\/strong\u003e: 5xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3.583 inches (91.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 2.087 inches (53.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 1.693 inches (43.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 8.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.417 inches (36.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: +0.006 to +0.021 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 131N\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: 0.09 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: SGS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 54811\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KYOCERA SGS PRECISION TOOLS","offers":[{"title":"Default Title","offer_id":51743377752370,"sku":"54811","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/968a02d66bdd6895e409afb94db28ae1_b525a1b1-3151-42f9-808a-9452554b5d1c.jpg?v=1788846349","url":"https:\/\/voomisupply.com\/products\/sgs-54811-solid-carbide-jobber-drill-bit-letter-f","provider":"Voomi Supply","version":"1.0","type":"link"}