{"product_id":"hertel-30007300-circuit-board-drill-bit-size-49-1-85mm","title":"Hertel 30007300 Circuit Board Drill Bit Size 49 1.85mm","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HERTEL 30007300 is a solid carbide circuit board drill bit sized at wire gauge 49, with a decimal diameter of 0.0730 inches (1.85 mm). The 118-degree split point geometry and fast spiral flute design enable clean, precise entry in printed circuit board materials and other thin-stock applications. A bright polished finish reduces friction and heat buildup during high-speed drilling. The tapered web configuration adds rigidity along the flute length of 0.625 inches (15.88 mm), with an overall length of 1.5 inches (38.10 mm). This bit is handled by electronics manufacturing technicians, PCB assemblers, and precision machinists working in production or repair environments.\u003c\/p\u003e\n\u003cp\u003eThis bit is suited for drilling operations in cast iron, non-ferrous metals, and steel, in addition to its primary circuit board applications. Its right-hand cutting direction and 35-degree helix angle support chip evacuation in deep or interrupted cuts. The 1.85 mm shank diameter matches the 1.85 mm drill diameter, making it compatible with standard CNC drill spindles and precision hand-held drilling equipment used in electronics and light metalworking applications.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide construction for rigidity and wear resistance at small diameters\u003c\/li\u003e\n  \u003cli\u003e118-degree drill point angle for clean entry and reduced thrust force\u003c\/li\u003e\n  \u003cli\u003eFast spiral flute geometry promotes efficient chip evacuation\u003c\/li\u003e\n  \u003cli\u003eBright polished finish minimizes friction and heat at high spindle speeds\u003c\/li\u003e\n  \u003cli\u003eTapered web configuration increases bit stiffness along the flute\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut with 35-degree helix angle suits cast iron, non-ferrous metals, and steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a precision circuit board drill bit for use in CNC drilling machines and high-speed drilling equipment accepting a 1.85 mm shank diameter. Suitable for material applications including cast iron, non-ferrous metals, and steel.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and use should be performed by qualified machinists or electronics manufacturing technicians familiar with precision drilling equipment. Ensure the spindle and collet are clean and properly torqued before seating the bit to prevent runout at this small diameter. Disconnect or power down all drilling equipment before changing or inspecting bits. Solid carbide is brittle at small diameters — avoid side loading and do not use in hand drilling applications where lateral deflection cannot be controlled.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire Gauge)\u003c\/strong\u003e: 49\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (Decimal Inch)\u003c\/strong\u003e: 0.0730 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (mm)\u003c\/strong\u003e: 1.85 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 118 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter (Decimal Inch)\u003c\/strong\u003e: 0.0730 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter (mm)\u003c\/strong\u003e: 1.85 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length (Inch)\u003c\/strong\u003e: 0.625 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length (mm)\u003c\/strong\u003e: 15.88 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length (Inch)\u003c\/strong\u003e: 1.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length (mm)\u003c\/strong\u003e: 38.10 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Fast\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\u003eHelix Angle\u003c\/strong\u003e: 35 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: -0.0005 to +0.0000 inches\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: Bright Polished\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Cast Iron, Non-Ferrous Metals, Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: 30007300\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51727103623474,"sku":"30007300","price":19.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/26b4a055d8c6047435e5323e86eab8f3.jpg?v=1788673381","url":"https:\/\/voomisupply.com\/products\/hertel-30007300-circuit-board-drill-bit-size-49-1-85mm","provider":"Voomi Supply","version":"1.0","type":"link"}