Features and Benefits:

• Made from premium grade cobalt drill bit set
• 135 degree split point requires no center punching
• For use in extremely hard metals, including stainless steel
• Includes sizes from 1/16" to 1/4"
• All included in a hard case

Cobalt drill bits are designed to cut through extremely hard metals, including stainless steel. Extremely heat resistant, must be operated in power units that have a RPM speed of 1,500 or higher for maximum efficiency.