{"product_id":"sgs-07257-circuit-board-drill-bit-0-5-mm-solid-carbide","title":"Sgs 07257 Circuit Board Drill Bit 0.5 Mm Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SGS 07257 is a solid carbide circuit board drill bit designed for precision drilling in printed circuit boards and other tight-tolerance applications. It measures 0.5 mm in diameter (0.0197 inches) with a 130-degree four-facet point angle that reduces walking and improves entry accuracy on hard or layered substrates. The overall length is 1.5 inches (38.10 mm) with a flute length of 0.26 inches (6.60 mm). The shank diameter is 0.125 inches (3.18 mm), compatible with standard CNC PCB drilling spindles and precision drill chucks. This bit is uncoated solid carbide, suited for clean, burr-minimized holes in demanding materials.\u003c\/p\u003e\u003cp\u003eThis bit is intended for CNC or manual precision drilling operations where small-diameter hole accuracy is critical. It handles a wide range of workpiece materials including aluminum, cast iron, cobalt alloy, copper alloy, fiber-reinforced polymers, nickel, plastics, stainless steel, and titanium. It is well-suited for electronics manufacturing, prototype board work, and precision machining environments where consistent hole geometry at sub-millimeter diameters is required.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.5 mm diameter with tight tolerance of -0.0003 to +0.0000 inches for precise hole sizing\u003c\/li\u003e\n\u003cli\u003e130-degree four-facet point for accurate entry and reduced thrust force\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction rated heavy-duty for extended tool life in hard materials\u003c\/li\u003e\n\u003cli\u003eRegular spiral with 30-degree helix angle and tapered web for efficient chip evacuation\u003c\/li\u003e\n\u003cli\u003eRight-hand cut, 2-flute geometry suited for CNC circuit board drilling applications\u003c\/li\u003e\n\u003cli\u003eUncoated finish compatible with a broad range of metallic and non-metallic materials\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use drill bit for CNC PCB drilling machines and precision drill presses accepting a 0.125-inch shank diameter. Compatible with aluminum, cast iron, cobalt alloy, copper alloy, fiber-reinforced polymers, nickel, plastics, stainless steel, and titanium workpieces per Series 105 material application codes K, M, N, P, and S.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by qualified machinists or electronics manufacturing technicians familiar with CNC drill setup and small-diameter tooling. Ensure the spindle and collet are clean and properly seated before securing the 0.125-inch shank. At sub-millimeter diameters, runout must be minimized to avoid bit breakage. Always power down and lock out the machine before changing tooling.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.5 mm (0.0197 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\u003eOverall Length\u003c\/strong\u003e: 1.5 inches (38.10 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 0.26 inches (6.60 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.125 inches (3.18 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\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\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\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\u003eSeries\u003c\/strong\u003e: 105\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 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: SGS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 07257\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KYOCERA SGS PRECISION TOOLS","offers":[{"title":"Default Title","offer_id":51746312847666,"sku":"07257","price":16.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4fd5aae8c50a1b1be732a6f8fdf6956d.jpg?v=1788868201","url":"https:\/\/voomisupply.com\/products\/sgs-07257-circuit-board-drill-bit-0-5-mm-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}