{"product_id":"osg-8597425-jobber-drill-bit-4-25-mm-tin-hss","title":"Osg 8597425 Jobber Drill Bit 4.25 Mm Tin Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe OSG 8597425 is a jobber-length twist drill bit designed for general-purpose and precision drilling in metal fabrication and machining applications. Built from vanadium high speed steel with a titanium nitride (TiN) coating, this bit delivers extended tool life and reduced friction in demanding materials. The 120-degree split point is S-thinned for self-centering entry, reducing the need for a center punch on most setups. With a 4.25 mm diameter and an overall length of 87 mm, it fits standard drill chucks and CNC tool holders with a 6 mm straight-cylindrical shank. This bit is sold individually and suited for use by machinists, tool-and-die technicians, and maintenance professionals.\u003c\/p\u003e\u003cp\u003eThe OSG 8597425 is rated for drilling steel, stainless steel, aluminum, aluminum alloy, and aluminum silicate. It handles blind hole drilling, cross hole drilling, through drilling, and self-centering operations. The 2-flute spiral design with a regular spiral type and tapered web configuration supports efficient chip evacuation in these materials. The Series 1600 classification places it in OSG high-performance jobber tooling, appropriate for both hand-held drill applications and light machine tool use in production or maintenance environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eVanadium high speed steel construction with TiN coating for extended service life\u003c\/li\u003e\n\u003cli\u003eS-thinned 120-degree split point for self-centering entry without a pilot hole\u003c\/li\u003e\n\u003cli\u003e2-flute regular spiral with tapered web for efficient chip removal\u003c\/li\u003e\n\u003cli\u003e6 mm straight-cylindrical shank compatible with standard chucks and collets\u003c\/li\u003e\n\u003cli\u003eRated for steel, stainless steel, aluminum, and aluminum alloy workpieces\u003c\/li\u003e\n\u003cli\u003eNo coolant-through design — suitable for dry or flood coolant external application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with standard drill chucks and collets accepting a 6 mm straight-cylindrical shank. Suitable for drilling steel, stainless steel, aluminum, aluminum alloy, and aluminum silicate. Compatible with blind hole, cross hole, through drilling, and self-centering operations per OSG Series 1600 specifications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstall and remove drill bits only after the spindle has come to a complete stop and power has been isolated from the machine. Verify chuck or collet grip on the full shank diameter before operation. Diameter tolerance of plus 0 to minus 0.018 mm should be confirmed against workpiece fit requirements before use. Follow applicable shop safety standards and machine tool manufacturer guidelines for speeds and feeds when drilling stainless steel or hardened alloys.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 4.25 mm (0.1673 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length (OAL)\u003c\/strong\u003e: 87 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 43 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 120 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: S-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered\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\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Vanadium High Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Titanium Nitride (TiN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: plus 0 to minus 0.018 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: 1600\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.035 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: OSG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 8597425\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51747637723442,"sku":"8597425","price":56.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/7e423ce07c9d4a94e93058857fc46990_144160a4-b5a7-4c38-96a9-764e29b77e38.jpg?v=1788883869","url":"https:\/\/voomisupply.com\/products\/osg-8597425-jobber-drill-bit-4-25-mm-tin-hss","provider":"Voomi Supply","version":"1.0","type":"link"}