Interstate 10% Cobalt Ground Square Tool Bit, 3/16 Size, 2-1/2 OAL – 42-989-4

Interstate 10% Cobalt Ground Square Tool Bit3/16" Size, 2-1/2" OAL 8% & 10% Cobalt A superior type high speed steel which will work better where high heat is present Used for heavy cuts in hard materials Specifications: Material Cobalt Material Grade M35 E