Brunner & Lay E11012H 7/8” x 3-1/4” x 12” H-Thread Carbon Hollow Drill Steel

E11012H

Length: 12” Weight: 3.0

Application: This threaded drill steel is used for all types of hand drilling in conjunction with the Shoulder Drive Bits. It is designed with the shoulder drive connection for easy extraction from the drilled hole. The mating shoulders of the drill steel and the drill bit carry the brunt of the torque, relieving the stress on the threads.