{"product_id":"guhring-9055250050000-extra-length-drill-bit-solid-carbide","title":"Guhring 9055250050000 Extra Length Drill Bit Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9055250050000 is a solid carbide extra length drill bit engineered for high-performance drilling in demanding production environments. Built on the Series 5525 platform, it features a FIREX coating and a 140-degree drill point angle with a standard point type and web-thinned, tapered web configuration for improved self-centering and reduced thrust force. The 5.00 mm (0.1969 inch) diameter bit has an overall length of 116.00 mm and a flute length of 78.00 mm, providing a 12xD flute-to-diameter ratio. Coolant-through capability supports chip evacuation and heat management during deep-hole operations. Right-hand cutting with a regular spiral and straight-cylindrical shank make it compatible with standard toolholders.\u003c\/p\u003e\u003cp\u003eThis drill bit is suited for machining cast iron and steel as primary workpiece materials, with secondary capability in aluminum and titanium alloys. It is appropriate for CNC machining centers, drill presses, and manual production equipment where extended reach and precision entry are required. The facet point grinding and self-centering geometry reduce walking on entry, making it well-suited for close-tolerance hole patterns in ferrous and non-ferrous components. Machinists and toolroom technicians working to DIN 6537 standards will find the Series 5525 geometry familiar and consistent.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide submicron-grade construction for rigidity and wear resistance in ferrous materials\u003c\/li\u003e\n\u003cli\u003eFIREX coating reduces friction and extends tool life in cast iron and steel applications\u003c\/li\u003e\n\u003cli\u003eCoolant-through design supports chip evacuation and thermal control in deep-hole drilling\u003c\/li\u003e\n\u003cli\u003e140-degree drill point with facet point grinding and web thinning for self-centering entry\u003c\/li\u003e\n\u003cli\u003e12xD flute-to-diameter ratio delivers extended reach within a straight-cylindrical shank profile\u003c\/li\u003e\n\u003cli\u003eConforms to DIN 6537 standard for consistent geometry and interchangeability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-fit replacement or upgrade for Series 5525 extra length drill bits used in standard straight-cylindrical toolholders. Primary workpiece materials are cast iron (material code K) and steel (material code P), with secondary suitability for aluminum, and titanium alloys (material codes H, M, N, S).\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or toolroom technician familiar with carbide tooling handling procedures. Secure the straight-cylindrical shank in a precision collet or drill chuck rated for the shank diameter of 0.2362 inches and confirm runout before beginning production. Power down and lock out the machine spindle before changing tooling. Avoid side-loading or prying carbide tools, as solid carbide is brittle and susceptible to chipping under lateral stress.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 5.00 mm (0.1969 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 116.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 78.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 36.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.2362 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 70.50 mm (2.776 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\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\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 12xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide, Submicron Grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: FIREX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered, 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\u003ePoint Type\u003c\/strong\u003e: Standard with Facet Point Grinding\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: +0.004 to +0.016 mm\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\u003eSecondary Workpiece Material\u003c\/strong\u003e: Aluminum, Titanium Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 5525\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: DIN 6537, California Proposition 65\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.07 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: GUHRING\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 9055250050000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51755338826034,"sku":"9055250050000","price":390.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/fe6d1979feb3b61c768b5d9310d572d3.jpg?v=1788953856","url":"https:\/\/voomisupply.com\/products\/guhring-9055250050000-extra-length-drill-bit-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}