Drill America Stepped Point Cobalt Drill Bits

Drill America Stepped Point Cobalt Drill Bits are surface treated with gold oxide to increase durability, hardness and reduce heat. Manufactured to National Aerospace standard 907, they display high red hardness, permitting speeds up to 30% greater than conventional M2 high speed steel. Drill America Stepped Point Cobalt Drill Bits can be used to enlarge existing holes or to create new, smoother holes in a wide range of materials such as acrylics, steel, metal, brass and other hard metals. They have a 135-degree split point tip for self-centering and reducing thrust.

Features

• Cobalt treated with gold oxide
• 135-degree split point tips
• 3-Flat shank
• Sizes from 1/16 inch to 1/2 inch