Includes drill (slow spiral, High-Speed-Steel (HSS) M2 fully ground drill bit).
Features an adjustable, heavy-duty, revolving depth-stop with a strong thrust ball bearing for quick and easy adjustment of the countersink depth without scratching or burning surfaces.
It also has an open space to allow for chip evacuation.
The user friendly design enables control of the drill length and its replacement, without the need to disassemble the depth-stop.
Enables users to drill a pilot hole and tapered countersink in one step.
The adjustable depth-stop and independent stop collar prevent marking of the workpiece and perfect countersink depth control.
Screw Size | Bit Diameter | Counterbore Size | Plug Size | Shank Size | Material |
6# | 9/64" | 5/16" | 5/16" | 1/4 | HSS 6542 |
8# | 11/64" | 3/8" | 3/8" | 1/4 |
10# | 3/16" | 7/16" | 7/16" | 1/4 |
