Description
This set of 4 adjustable pilot bits is designed to drill precise countersink and counterbore screw holes for fine carpentry and woodworking. The 1/4″ hex shanks prevent slippage and can be used in power screwdrivers, as well as electric drills. Included are bits 34A (for 5, 6, 7 screw sizes), 34B (for 7, 8, 9 screw sizes), 34C (for 9, 10, 11 screw sizes), and 34D (for 11, 12, 13 screw sizes).
Specs
Bit 34A | For No. 5, 6, and 7 screws |
Bit 34B | For No. 7, 8, and 9 screws |
Bit 34C | For No. 9, 10, and 11 screws |
Bit 34D | For No. 11, 12, and 13 screws |