Sutton Tools Heavy Duty Cobalt 21 Piece Imperial Drill Set
Sutton Tools Heavy Duty Cobalt 21 Piece Imperial Drill Set 1/16-3/8 x 1/64th Rises. Professional choice for drilling materials that have high hardness and tensile strength such as cast iron, bronze, hard steel, and stainless steel. ● Cobalt content improves abasive and heat resistance, for increased strength at higher drilling temperatures. ● Thick core for increased rigidity in hard materials. ● 135-degree split point requires less drilling pressure and minimises wandering when starting. ●