Cobalt Bit, 135-Degree, 17/64-In.
17-/64", Cobalt Bit, 135 Degree Split Point To Minimize Walk, 8% Cobalt For Higher Heat & Abrasion Resistance, Heavy Duty Web Construction For Strength & Durability, For Tough Metal Drilling, Including Heavy Duty Abrasive, Alloy Metal Drilling On Hardened Steel, Cast Iron & Stainless Steel, Carded.