4 Pcs 5 Flutes Hss Countersink Drill Bit Set Woodworking Carpentry Tool 6-12# 6-12#

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

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:

Color:As the pictures show

Material: HSS4241

Black chamfer drill body material: steel 45

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)

Shank: 1/4 hex shank.

Package included:

4 x Countersink Drill Bits

1 x Hex Shank

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