{"product_id":"hertel-c-e03-0386-aircraft-extension-drill-bit-135-pt-hss","title":"Hertel C.E03.0386 Aircraft Extension Drill Bit 135 Pt Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HERTEL C.E03.0386 is a wire-gauge size 24 aircraft extension drill bit engineered for deep-reach drilling applications where a standard-length bit cannot access the work surface. Built from high-speed steel with an oxide finish, it runs at a 0.1520 inch decimal diameter and features a 135-degree split point that self-centers on contact, reducing walking and minimizing the need for a center punch. The spiral flute geometry and web-thinned, tapered web configuration promote chip evacuation in deep holes. This bit is a general-purpose cutting tool designed for use by machinists, aircraft maintenance technicians, and sheet metal workers.\u003c\/p\u003e\u003cp\u003eAircraft extension drill bits like the C.E03.0386 are used in situations where standard-length bits cannot reach — behind panels, through structural members, and into recessed assemblies common in aerospace, automotive, and light fabrication work. The 6 inch overall length and 2 inch flute length make it suited for drilling through stacked materials or elongated access paths. Right-hand cutting direction is compatible with conventional drill press and hand-drill setups. Conforms to NAS 907 standards, making it appropriate for aerospace maintenance and repair operations.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e135-degree split point with self-centering geometry reduces bit walking on entry\u003c\/li\u003e\n\u003cli\u003eWeb-thinned, tapered web lowers thrust requirements and improves chip flow\u003c\/li\u003e\n\u003cli\u003eHigh-speed steel construction handles a wide range of metals including aluminum, mild steel, and sheet stock\u003c\/li\u003e\n\u003cli\u003eOxide finish provides mild corrosion resistance and reduces friction during cutting\u003c\/li\u003e\n\u003cli\u003e6 inch overall length provides extended reach for deep or obstructed drilling locations\u003c\/li\u003e\n\u003cli\u003eConforms to NAS 907 standard for aerospace-grade drill bit performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a general-purpose aircraft extension drill bit conforming to NAS 907, suitable for use with standard straight-shank drill chucks on drill presses, hand drills, and right-angle drill attachments that accept a 0.1520 inch straight cylindrical shank.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by qualified machinists or aircraft maintenance technicians familiar with NAS standards and applicable maintenance manuals. Secure the workpiece and ensure the drill chuck is fully tightened before operation. Use appropriate cutting fluid when drilling ferrous metals to extend bit life and maintain hole quality. Inspect the cutting edges before each use and replace the bit if chipping or excessive wear is observed.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire Gauge)\u003c\/strong\u003e: 24\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.1520 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.1520 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 135 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Split\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: High-Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Centering\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: NAS 907\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.15 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: HERTEL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C.E03.0386\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51732584726834,"sku":"C.E03.0386","price":35.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/cbe07a5e5e5357dc37d12deed9082fc7.jpg?v=1788744677","url":"https:\/\/voomisupply.com\/products\/hertel-c-e03-0386-aircraft-extension-drill-bit-135-pt-hss","provider":"Voomi Supply","version":"1.0","type":"link"}