Malco® UB1 Automotive Step Drill Bit, Imperial, 1/8 in Min Hole Diameter, 1/2 in Max Hole Diameter, 13 Steps, HSS, 13 Hole Sizes

A unique double flute design assures the penetration of soft or thin materials at the proper speed. Drill hole sizes from 1/8 in to 1 in in sheet metal without burring or deforming stock or threading drill bit. Malco® step Drills actually de burr as they drill. Perfect for use as a inhole-opening in reamer. They can also be used for making round holes from slots or intersecting holes. Made of industrial grade high speed steel. Malco® step Drills are heat treated and tempered to assure maximum strength for long wearing rugged use. Completely resharpenable.

Malco® Step Drill Bit, Automotive, Imperial, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, 1/8 in Step Depth, 13 Hole Sizes, 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2 in, HSS Cutting Edge, HSS, Applicable Materials: Wood