Tin Coated Cobalt Spot Weld Bits

Premium cobalt steel spot weld bits coated with titanium nitride (TIN) for lubrication and tool longevity. The high hot hardness of cobalt permits speeds 30% over regular high-speed drill bits. It is the ideal bit for use on boron steel.

Part Numbers:

Part # Unit Size SDS TDS
RS-900-38 3/8" Diameter
RS-900-516 5/16" Diameter