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 7/8 x 6″ Square HSS Tool Bit Item #: TO01960 1/8 x 2-1/2 Square HSS Tool Bit Item #: TO01025 1″ x 7″ Square HSS Tool Bit Item #: TO01970