Interstate 5% Cobalt Ground Square Tool Bit, 5/16 Size, 2-1/2 OAL – 42-981-1

Interstate 5% Cobalt Ground Square Tool Bit5/16" Size, 2-1/2" OAL 5% Cobalt Excellent for heavy cuts on castings and forgings. Higher wear resistance than M-2 Specifications: Material Cobalt Material Grade M35 End Shape Square Width/Diameter (Inch) 5/16 He