{"product_id":"onsrud-63-731-upcut-spiral-router-bit-0-375-in-solid-carbide","title":"Onsrud 63-731 Upcut Spiral Router Bit 0.375 in Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ONSRUD 63-731 is a solid carbide upcut spiral router bit designed for cutting plastics and hard materials including acrylic, nylon, PVC, polycarbonate, and solid surfaces. It features a single-edge design with a 21-degree helix angle and a right-hand cutting direction. The 0.375-inch cutter diameter pairs with a 0.75-inch length of cut, making it well suited for controlled, precise passes in sheet goods and fabricated plastic components. At 3 inches overall length with a 2.25-inch shank, this bit fits standard collet setups used in CNC routing and handheld router applications. The uncoated solid carbide construction provides durability and clean chip evacuation on the materials in its rated application range.\u003c\/p\u003e\u003cp\u003eThe 63-731 is intended for use on plastic fabrication work including acrylic signage, PVC trim, polycarbonate panels, nylon components, and solid surface materials. It is commonly used in CNC router tables in light industrial and fabrication shop environments where consistent edge quality and chip clearance on hard plastics are priorities. The upcut flute geometry pulls chips up and away from the cut, reducing heat buildup at the cutting edge and helping maintain workpiece integrity on through-cuts and profiling operations.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction for durability in hard plastic and solid surface materials\u003c\/li\u003e\n\u003cli\u003eUpcut flute geometry pulls chips away from the cut, reducing heat and improving cut quality\u003c\/li\u003e\n\u003cli\u003e21-degree helix angle optimized for clean cutting in acrylic, PVC, nylon, and polycarbonate\u003c\/li\u003e\n\u003cli\u003eSingle-edge router style allows aggressive chip load management on plastics\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting direction compatible with standard CNC and handheld router spindles\u003c\/li\u003e\n\u003cli\u003eUncoated finish maintains sharp edge geometry on rated materials\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with 3\/8-inch collets on CNC routers and handheld routers. Rated material applications include acrylic, nylon, PVC, polycarbonate, and solid surfaces. Part of the ONSRUD 63-700 series.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or CNC operator familiar with router tooling. Power down and de-energize the router spindle completely before changing tooling. Insert the shank fully into the collet to the recommended engagement depth and tighten according to the collet manufacturer specification. Verify spindle speed is set appropriately for the material and bit diameter before initiating a cut.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutter Diameter\u003c\/strong\u003e: 0.375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 0.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 2.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBit Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Upcut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRouter Style\u003c\/strong\u003e: Single Edge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 21 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Hard Material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Acrylic, Nylon, PVC, Polycarbonate, Solid Surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiloted\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 63-700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.16 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: ONSRUD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 63-731\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ONSRUD","offers":[{"title":"Default Title","offer_id":67910537609522,"sku":"63-731","price":111.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4a6d17e5ac957f5126d7b0f6c28f50d1_1fd560e9-4b7a-4efe-a5d3-b954879ff1e1.jpg?v=1791198627","url":"https:\/\/voomisupply.com\/products\/onsrud-63-731-upcut-spiral-router-bit-0-375-in-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}