IRWIN INDUSTRIAL TOOL CO - ACH 3016028 Cobalt Drill Bit 7/16 X 5-1/2
This IRWIN INDUSTRIAL TOOL CO - ACH 3016028 drill bit is engineered from cobalt alloy HSS for high-temperature endurance and consistent cutting performance. The 7/16 x 5-1/2 size delivers a reliable hole profile for metalworking, while the 3/8 reduced shank provides compatibility with a wide range of chucks and drill drivers. The robust HSS construction and cobalt enhancement make this bit suitable for repeated use in demanding shop environments.
Drills
Designed for drills and drill drivers, this bit performs well in handheld and benchtop applications. The reduced shank fits standard 3/8 chucks, improving stability and reducing runout during high-speed drilling. Precision ground flutes evacuate chips efficiently, helping maintain sharpness and extend service life. Use with cutting oils for best results when working with stainless steel or hardened alloys.
Professional Power Tools
As part of a professional power tools kit, the 3016028 drill bit complements heavy-duty automotive and industrial toolsets. Its cobalt HSS material provides added hardness for cutting through tougher metals encountered in automotive repair and fabrication. The length and diameter combination is ideal for through-holes and clearance drilling where accuracy and repeatable results are required.
Compatibility With Grinders And Saws
While primarily a drilling accessory, the durable HSS composition ensures compatibility with shop workflows that include grinders for touch-up and saws for metal preparation. Keep bits and cutting tools organized to match job requirements and maintain optimal tool life across the shop.
Technical specifications include a 7/16 diameter, 5-1/2 overall length, cobalt alloy HSS material, and a 3/8 reduced shank for broad chuck compatibility. This bit is ideal for automotive service, metal fabrication, and general-purpose drilling tasks. Fast shipping.
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