Product Description:
Simultaneously countersink and counter bore screw pilot holes.
Four piece set includes bits for drilling pilot holes for screw sizes #6, #10, #13, #16.
Special designed steel counter sleeve countersinks or counter bores pilot hole.
Standard hex shank is quick change compatible.
Shank: 1/4 hex shank.?
Material: HSS Drill 4241
Black chamfer drill body material: steel 45.
Bit size
6# 3mm(0.11 inch)
10# 3.5mm (0.13 inch)?
13# 4mm (0.15 inch)?
16# 4.5mm(0.17 inch)

Package Include:?
4 x Countersink Drill Bit.
1 x Small Wrench.

• 100% brand new and high quality
• Material: HSS Drill 4241; Black chamfer drill body material: steel 45
• Simultaneously countersink and counter bore screw pilot holes
• Four piece set includes bits for drilling pilot holes for screw sizes #6, #10, #13, #16

100% brand new and high qualityUSfafa