{"product_id":"sgs-07398-circuit-board-drill-bit-3-15mm-solid-carbide","title":"Sgs 07398 Circuit Board Drill Bit 3.15mm Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SGS 07398 is a solid carbide circuit board drill bit designed for precision drilling in printed circuit board fabrication and related electronic assembly work. Built to Series 105 heavy-duty specifications, it features a 130-degree four-facet point geometry that promotes accurate entry and reduces walking on hard or layered substrates. The uncoated carbide construction delivers sharp, clean cutting edges straight from the tool. With a 3.15 mm (0.1240 inch) cutting diameter and a 1\/8 inch (3.18 mm) shank, this bit is sized for standard CNC drill spindles and high-speed manual drilling equipment commonly used in electronics manufacturing and repair environments.\u003c\/p\u003e\u003cp\u003eThis bit is suited for precision drilling operations in electronics fabrication shops, prototyping labs, and production environments. The 30-degree helix angle and regular spiral flute configuration support efficient chip evacuation in materials common to circuit board assemblies. It handles a broad range of substrates including fiber-reinforced polymers, plastics, aluminum, copper alloy, stainless steel, nickel, cobalt alloy, cast iron, and titanium. The tapered web configuration adds rigidity for consistent hole quality across high-cycle production runs.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction for heavy-duty drilling in hard and abrasive materials\u003c\/li\u003e\n\u003cli\u003e130-degree four-facet point for accurate entry and reduced tip wander\u003c\/li\u003e\n\u003cli\u003e3.15 mm (0.1240 inch) cutting diameter with -0.0003 to +0.0000 inch diameter tolerance\u003c\/li\u003e\n\u003cli\u003e1\/8 inch (0.1250 inch) shank diameter fits standard CNC and manual drill chucks\u003c\/li\u003e\n\u003cli\u003e30-degree helix angle with regular spiral and tapered web for efficient chip evacuation\u003c\/li\u003e\n\u003cli\u003eUncoated finish maintains sharp edge geometry without coating buildup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-fit replacement or production-use drill bit for standard 1\/8 inch shank CNC circuit board drilling machines and compatible manual drill presses used in electronics fabrication and PCB prototyping applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and operation of this bit should be performed by qualified machine operators or electronics fabrication technicians familiar with high-speed drilling equipment. Ensure the spindle and chuck are fully de-energized and at rest before inserting or removing the bit. Verify chuck runout and bit seating before beginning a drilling cycle, as carbide tooling is brittle and sensitive to lateral loading. Follow machine manufacturer guidelines for speed and feed rates appropriate to the workpiece material.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 3.15 mm (0.1240 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 130 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Four Facet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1\/8 inch (0.1250 inches \/ 3.18 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.5 inches (38.10 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 0.400 inches (10.16 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 30 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Grade\u003c\/strong\u003e: Heavy-Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: -0.0003 to +0.0000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Aluminum, Cast Iron, Cobalt Alloy, Copper Alloy, Fiber-Reinforced Polymers, Nickel, Plastics, Stainless Steel, Titanium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 105\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: 07398\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KYOCERA SGS PRECISION TOOLS","offers":[{"title":"Default Title","offer_id":51728512221490,"sku":"07398","price":15.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d54007ed0f1c6305e83e4cbc6294277e.jpg?v=1788692456","url":"https:\/\/voomisupply.com\/products\/sgs-07398-circuit-board-drill-bit-3-15mm-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}