Sutton Tools Heavy Duty Cobalt jobber drills are industrial quality drilling materials that have high hardness and tensile strength such as cast iron, bronze, hardened steel & stainless steel. The 5% cobalt formula improves abrasive & heat resistance, for increased strength at higher cutting temperatures. Crafted with precision and durability in mind, this set comprises 19 pieces tailored for metric measurements, ensuring versatility across various applications. Each drill bit is constructed with high-grade cobalt, known for its exceptional hardness and heat resistance, making it ideal for demanding jobs in metal, stainless steel, and other tough materials.
- Thick core for increased rigidity in hard materials.
- Made from HSS Cobalt
- 135° Split point enables accurate positioning and less drilling pressure
- 19 Piece set
- Range is 1.0 – 10.0mm x 0.5mm rises