4 Pcs HSS Countersink Drill Bits + 1 Pcs 1/4 Quick Change Hole Hex Shank Screw

Description:
Features:
and high quality
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.

Specifications:
Model: HSS Drill 4241
Color: black
Material: steel 45
Dimension:
6#: 2.38mm (0.0937 inch) x 56mm(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)
Shank: 55mm(L)
Net weight:58.2g

Package include:
4 x Countersink Drill Bits( #6,#8,#10 and #12.)
1 x 1/4 Hex Shank
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