{"product_id":"drill-bits-greenfield-550-nas-type-heavy-duty-cobalt-straw-jobber-length-drill-bit-0-2720-in-dia-cutting-4-125-in-oal-letter-i-46779","title":"Drill Bits - Greenfield 550 NAS-Type Heavy-Duty Cobalt Straw Jobber-Length Drill Bit, 0.2720 in dia Cutting, 4.125 in OAL, Letter I, 46779","description":"\u003cp\u003e\u003cstrong\u003eItem #: 46779\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"332\" data-start=\"0\"\u003eThis heavy-duty jobber drill bit is manufactured to NAS 907 Type J aerospace specifications, ensuring high accuracy and dependable performance in demanding drilling applications. It is designed for drilling tough, high-tensile, and work-hardening materials commonly encountered in professional machining and industrial environments.\u003c\/p\u003e\n\u003cp data-end=\"606\" data-start=\"334\"\u003eConstructed from premium cobalt high-speed steel, this drill bit offers superior heat resistance and extended tool life when working with harder metals. The straw finish improves lubricity during cutting and also allows for easy visual identification of cobalt drill bits.\u003c\/p\u003e\n\u003cp data-end=\"901\" data-start=\"608\"\u003eThe 135° P3 split point is self-centering, helping to reduce thrust and improve drilling accuracy while allowing for easier penetration into the workpiece. \u003c\/p\u003e\n\u003cp data-end=\"919\" data-start=\"903\"\u003eSpecifications\u003c\/p\u003e\n\u003cul data-end=\"1186\" data-start=\"920\"\u003e\n\u003cli data-end=\"948\" data-start=\"920\" data-section-id=\"m5n7rt\"\u003e\n\u003cp data-end=\"948\" data-start=\"922\"\u003eStandard: NAS 907 Type J\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"986\" data-start=\"949\" data-section-id=\"143g54x\"\u003e\n\u003cp data-end=\"986\" data-start=\"951\"\u003eMaterial: Cobalt High-Speed Steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1004\" data-start=\"987\" data-section-id=\"cqilgi\"\u003e\n\u003cp data-end=\"1004\" data-start=\"989\"\u003eFinish: Straw\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1091\" data-start=\"1005\" data-section-id=\"bi10p3\"\u003e\n\u003cp data-end=\"1091\" data-start=\"1007\"\u003ePoint Type: 135° P3 Split Point (sizes under 0.0625 in do not include split point)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1120\" data-start=\"1092\" data-section-id=\"1h42htp\"\u003e\n\u003cp data-end=\"1120\" data-start=\"1094\"\u003eConstruction: Heavy-Duty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1186\" data-start=\"1121\" data-section-id=\"18jktxb\"\u003e\n\u003cp data-end=\"1186\" data-start=\"1123\"\u003eDesigned For: Tough, High-Tensile, and Work-Hardening Materials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1320\" data-start=\"1188\"\u003eIdeal for professional machining and industrial drilling applications where durability, heat resistance, and precision are required.\u003c\/p\u003e","brand":"- Walter Surface Technologies","offers":[{"title":"Default Title","offer_id":52086255681829,"sku":"14604-46779","price":5.62,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1330\/7955\/files\/Screenshot2026-03-16153432.jpg?v=1773689706","url":"https:\/\/www.hansler.com\/products\/drill-bits-greenfield-550-nas-type-heavy-duty-cobalt-straw-jobber-length-drill-bit-0-2720-in-dia-cutting-4-125-in-oal-letter-i-46779","provider":"Hansler Smith","version":"1.0","type":"link"}