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 1/4 x 6″ Square HSS Tool Bit Item #: TO01229 3/4 x 5″ Square HSS Tool Bit Item #: TO01850 3/8 x 8″ Square HSS Tool Bit Item #: TO01436