5/16 x 6″ Square HSS Tool Bit • Ground HSS or Cobalt Available • High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials List Number TO01329 Substrate HSS Package Quantity 1 Length 6" Style Square Diameter 5/16 SKU: TO01329 Category: Tool Bits Related products 5/16 x 4″ Square HSS Tool Bit Item #: TO01340 1/4 x 8″ Square HSS Tool Bit Item #: TO01231 3/8 x 4″ Square HSS Tool Bit Item #: TO01432