- 7 Pcs set includes bits for drilling pilot holes for screw sizes 5#,6#,7# ,8#.9#,10# and 12#.
- Drill And Countersink In One Operation.
- Drill Can Be Adjusted To The Desired Drilling Depth.
- Twist screws on the same axis, and screw nut below the board plane, drill collars can adjust up and down.
- Apply to with a clamp or joint drilling machine, suitable for drilling in the hard wood and wood floor, machine screw for wood screw.
Specifications
Material: HSS Drill 4241
Black chamfer drill body material: steel 45
Dimension:
5# 16mm(W) x 82mm(L)
6# 15mm(W) x 80mm(L)
7# 12mm(W) x 86mm(L)
8# 16mm(W) x 87mm(L)
9# 15mm(W) x 91mm(L)
10# 17mm(W) x 93mm(L)
12# 16mm(W) x 100mm(L)
Shank: 2.5mm dia hex shank.
The corresponding bit size Chamfer size
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
Package include
7 x Countersink Drill Bits
1 x Hex Shank
Lowest Price: £5.99
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