Drill Bit Set,10-PC Cobalt
Includes 1/16", 5/64", 3/32", 7/64", 1/8", 9/64",
5/32", 3/16", 7/32" and 1/4" cobalt drills.
Designed to cut through extremly hard metals,
including stainless steel. Must be operated in
power units that have a RPM speed of 1,500 or more
for maximum efficiency.
