Discover the precision and durability of the Sutton Tools Heavy Duty Cobalt jobber drills, designed for industrial applications. These drills are perfect for materials with high hardness and tensile strength, such as cast iron, bronze, hardened steel, and stainless steel. The range of sizes spans from 1/16 to 3/8 inches, with 1/64 inch increments, ensuring you have the right tool for any job.

Crafted from HSS Cobalt, these drills feature a 5% cobalt formula that enhances abrasive and heat resistance, providing increased strength at higher cutting temperatures. The 135 split point design allows for accurate positioning and reduces drilling pressure, while the thick core offers increased rigidity in hard materials. This 21-piece set is an essential addition to any professional toolkit.

Features

• Range: 1/16 3/8 x 1/64 rises
• Made from HSS Cobalt
• 135 split point