{"product_id":"hertel-331-005060-countersink-3-8-in-82-degree-solid-carbide","title":"Hertel 331-005060 Countersink 3\/8 in 82 Degree Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HERTEL 331-005060 is a single-flute, solid carbide countersink designed for precise chamfering and seat preparation in metal and composite materials. With a 3\/8 inch head diameter and an 82-degree included angle, it produces clean, accurate countersink profiles suited to flat-head fastener seating and deburring operations. The 1\/4 inch straight-cylindrical shank mounts directly in standard drill chucks or collet holders. Solid carbide construction delivers superior wear resistance and edge retention compared to high-speed steel alternatives, making it a reliable choice for production and maintenance machining environments where consistent geometry is required.\u003c\/p\u003e\n\u003cp\u003eThis countersink is used in machine shop, fabrication, and maintenance applications where alloy steel, cast iron, or glass-reinforced plastic workpieces require countersunk fastener holes. The 82-degree included angle matches the seating geometry of standard flat-head machine screws used in many industrial assemblies. It is suitable for use in drill presses, CNC machining centers, and hand-held pneumatic or electric drills when paired with an appropriate collet or chuck. The single-flute design reduces chatter and produces a smooth finish on the countersink seat.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/8 inch head diameter with 82-degree included angle for flat-head fastener seating\u003c\/li\u003e\n  \u003cli\u003eSolid carbide cutting head for extended tool life in hard and abrasive materials\u003c\/li\u003e\n  \u003cli\u003eSingle-flute geometry minimizes chatter and improves surface finish\u003c\/li\u003e\n  \u003cli\u003e1\/4 inch straight-cylindrical shank for compatibility with standard drill chucks and collet holders\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut for conventional clockwise-rotation spindles\u003c\/li\u003e\n  \u003cli\u003eSuitable for alloy steel, cast iron, and glass-reinforced plastic workpieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for countersinking operations in alloy steel, cast iron, and glass-reinforced plastic. Compatible with any drill press, machining center, or handheld drill equipped with a 1\/4 inch collet or chuck. No pilot is included.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis countersink is installed by a machinist or maintenance technician into a standard 1\/4 inch collet or drill chuck. Ensure the spindle is fully stopped and the machine is powered down before tool changes. Set spindle speed appropriate for the workpiece material and tool diameter per tooling manufacturer guidelines. Secure the workpiece firmly before beginning the countersinking operation to prevent tool deflection or workpiece movement.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 82 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCenterline Angle\u003c\/strong\u003e: 41 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountersink Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Alloy Steel, Cast Iron, Glass-Reinforced Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePilot Included\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 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: HERTEL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 331-005060\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51755317723442,"sku":"331-005060","price":54.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/54f061b45108df198c360d694105c953.jpg?v=1788953550","url":"https:\/\/voomisupply.com\/products\/hertel-331-005060-countersink-3-8-in-82-degree-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}