Details
Heavy duty web construction. Manufactured from heat-resistant premium cobalt high speed steel. Cobalt drills can maintain their cutting ability at high temperatures and are extremely resistant. High tensile materials such as high-strength alloy steels, stainless steel, titanium, manganese steel, armor plate and inconel.
705C-20, Champion # 20 M42 cobalt jobber drills, Straight Shank, 135° split point, type "J", gold oxide finish