Description
- ★ 5 piece set includes bits for drilling pilot holes for screw sizes 6#,8#,10#,12#, and 14#
- ★ Special designed steel counter sleeve countersinks or counter bores pilot hole, Drill and countersink for wood screws without changing bits
- ★ Adjustable counter sleeve depth with Allen wrench. Standard hex shank is quick change compatible
- ★ Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.
- ★ Suitable for bore metal, PVC, wood, plank, aluminum alloy or plastic board.
Specification: Material: HSS Drill 4241 Black chamfer drill body material: Steel 45 Dimension: 6# 2.38mm(0.0937inch) x 55mm (L) 8# 2.78mm(0.1094inch) x 60mm (L) 10# 3.175mm(0.125inch) x 63mm (L) 12# 3.56mm(0.14inch) x 65mm (L) 14# 3.97mm(0.1563inch) x 68mm (L) Shank: 1/4 Round Shank Package Included: 5 x Countersink Dril Bits 1 x Wrench
