Manufacturer: Strong Arm
Product Description: Carbide Drill Bit
Size: 1/4 X 4
Stronger Carbide - specially formulated micro-grain titanium tungsten carbidfe tips diamond ground razor sharp with unique tip geometry.
Stronger Brazing - ultra high temperature copper braze adds strength and reduces tip failure from over heating.
Stronger Shank - high grade, chrome-moly steel shanks, tempered for extra durability.
Strong Arm - The industry's most popular drill designed and manufactured specifically for drilling safes.