By drilling a small pilot hole into the material, into which a screw is then driven, less wedging takes place, thereby reducing the likelihood of the material being split. Browse our store for more exciting offers.
Screw Gauge: No.12
Features & Benefits: Drill pilot hole and countersink in one operation.
Use with 6.35mm quick release chuck/connector or conventional chuck.
Application: Used for drilling a small pilot hole into material, into which a screw is then driven.