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Hex Shank Countersink with Taper Pin Point Pilot Drill for Woodworking

Features:

1, Tapered HSS drill bit with wide flutes for drilling fast & clean pilot holes.

2, 4-cutter counterbore cuts faster and provides smooth countersinking.

3, Counterbore attachehed with screw firmly, and can be adjusted for controlling pilot hole depth.

4, 1/4″ quick­change shank reduces slipping in standard chucks and is compatible with all 1/4″ quick-change chucks, including impact drills

Screw
Size
Bit 
Diameter
Counterbore
Size
Plug 
Size 
Shank
Size
4#7/64″1/4″1/4″1/4″
6#9/64″5/16″5/16″1/4″
8#11/64″3/8″3/8″1/4″
10#3/16″7/16″7/16″1/4″
12#7/32″7/16″7/16″1/4″
14#1/4″7/16″7/16″1/4″