Sutton Heavy Duty Cobalt Drill Set (Imperial) - 21 Piece
Sutton Tools Heavy Duty Cobalt jobber drills are industrial quality for drilling materials that have high hardness and tensile strength such as cast iron, bronze, hardened steel & stainless steel.
These drill bits feature a thick core for increased rigidity in hard materials.
135° split point (drills > 2mm & 3/32) enables accurate positioning and less drilling pressure
Thick core for increased rigidity in hard materials
Precision engineered parallel shank for accurate hole size
Made from HSS Co. The 5% cobalt formula improves abrasive & heat resistance, for increased strength at higher cutting temperatures
Colour Tempered surface finish enables identification of cobalt tool material
Range: 1/16 - 3/8 x 1/64 rises