Drillpro 4pcs HSS Countersink Drill Bit Set 1/4 Hex Shank Quick Change #6 #8 #10 #12 Drill Bit Kit

Four piece set includes bits for drilling pilot holes for screw sizes #6,#8,#10 and #12.

 

Material: HSS Drill 4241

Black chamfer drill body material: Steel

Shank: 1/4 hex shank

Dimension:

6# 2.38mm (0.0937 inch) x 55mm(L)

8# 2.78mm (0.1094 inch) x 60mm(L)

10# 3.175mm (0.125 inch) x 63mm(L)

12# 3.56mm (0.14 inch) x 65mm(L)

 

- Special designed steel counter sleeve countersinks or counter bores pilot hole.

- Adjustable counter sleeve depth with Allen wrench.

- Standard hex shank is quick change compatible.

- Drill and countersink for wood screws without changing bits.

- Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.