The Approved Vendor Threaded Shank Drill Bit is a high-speed steel drill bit with a 1/4" hex shank and a length of 2-1/2". It has a 135 degree split point tip and is designed for use in metal, wood, and plastic. The bit diameter is 3/16" and it can drill holes up to 1-1/4" deep. This USA-made drill bit is designed for use in hand drills or drill presses and features a bright finish for corrosion resistance. With its threaded shank, it can be used in chucks that accept 1/4" hex shanks.