Features:
1.Four piece set includes bits for drilling pilot holes for countersink sizes #6,#8,#10 and #12.
2.Special designed steel counter sleeve countersinks or counter bores pilot hole. Adjustable counter sleeve depth with a wrench.
3.Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.
Specifications:
Material: HSS 4241( Ti Titanium-coated)
Color: As the pictures show
Black chamfer drill body material: steel 45
Countersink sizes:#6, #8, #10, #12
6# 2.38mm (0.0937")
8# 2.78mm (0.1094")
10# 3.175mm (0.125")
12# 3.56mm (0.14")
Shank: 1/4 Round shank.
Suitable for less than 25HRC hardness workpiece, such as carbon steel, sheet iron, insulation board, PVC board, wood, etc.
Package included:
4 x Countersink Drill Bits
1 x Hex Shank







