The drill bits and countersinks in this set are made from heat-treated steel and feature a unique, single twist design that efficiently ejects chips, resulting in cleaner holes. The set includes seven drills, seven countersinks, seven stop-collars and an individually organized wooden storage box for easy transport and organization.
- Drill sizes 1/8", 9/64", 5/32", 11/64", 3/16", 13/64" and 7/32"
- Seven drills, seven countersinks, and seven stop-collars
- Single twist design for cleaner holes