7/16 X 3-1/2″ 8% Cobalt Square Tool Bit (2000-0046) ~ Made with a superior type of high speed steel which will work better where high heat is present. ~ Use these tool bits for heavy cuts in hard materials. 7/16 X 3-1/2″ 8% Cobalt Square Tool Bit (2000-0046) Made with a superior type of high speed steel which will work better where high heat is present. Use these tool bits for heavy cuts in hard materials. .
