3/16 Cobalt Single Flute Countersink Michigan Drill Part #491C 3/16

This item is part of our complete offering of Michigan Drill & Cutting Tools, a trusted manufacturer of high-performance drill bits and industrial cutting tools designed for precision, durability, and consistent results in demanding CNC machining applications. Explore Jobber Length Drills for general-purpose drilling, Aircraft Extension Drills for deep hole and extended reach applications, Taper Shank Drills for heavy-duty machining, and Michigan Drill Taps for reliable threading operations. Michigan Drill offers extensive size availability including fractional, letter, wire gauge, and metric options to meet a wide range of machining requirements. Browse our full selection of Michigan Drill Tools, or search all available sizes and styles using our All Michigan Drill Bits page to quickly find the right tool for your application.