5/8 x 8″ 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 TO01748 Substrate HSS Package Quantity 1 Length 8" Style Square Diameter 5/8 SKU: TO01748 Category: Tool Bits Related products 7/16 x 3-1/2 Square HSS Tool Bit Item #: TO01535 1″ x 7″ Square HSS Tool Bit Item #: TO01970 5/16 x 6″ Square HSS Tool Bit Item #: TO01329