XCSOURCE 22PC Countersink Drill Bit Set W/Adjustable Depth Stop Collars Counterbore Drill Woodworkers Hole Cutter Screw Drill BI034

This 22 piece Countersink bit set is the perfect addition to any woodworkers's tool box.

Features:
- High speed heat treated steel,
- Comes with Case and allen wrench.

Specifications:
Material: The bit is HSS 4241, black parts is 45# steel .
Size Bit size black first step Chamfer dimension
5# 1/8"(3.18mm) 9.5mm
6# 9/64"(3.58mm) 9.5mm
7# 5/32"(3.97mm) 9.5mm
8# 11/64"(4.37mm) 9.5mm
9# 3/16"(4.76mm) 9.5mm
10# 13/64"(5.15mm) 12.5mm
12# 7/32"(5.56mm) 12.5mm
Made For Screw Sizes: #5, #6, #7, #8, #9, #10, #12

Suitable for drilling machines with chucks or adapters, suitable for drilling in hard wood and wood layer, machine screw wood screw.

package included:
- 7 Collar Stops.
- 7 Countersinks.
- 7 Drill Bits.
- 1pc wrench.