Description: Features: Brand new and high quality Four piece set includes bits for drilling holes for screw sizes 3mm, 4mm, 5mm, 6mm. Special designed steel counter sleeve countersinks or counter bores hole. Adjustable counter sleeve depth with wrench. 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. Chamfer is 5 flutes,In the process of using, can discharge the wood more rapid, Sink hole disposable drilled smooth, screw cap perfect embedded in the surface of workpiece. Specifications: Model: HSS Drill 4241 Color: Silver Material: Chamfer Drill: steel 45; Bit: HSS 4241 Dimension: 3mm x 60mm(L) 4mm x 75mm(L) 5mm x 85mm(L) 6mm x 93mm(L) Dia. of Chamfer: 15.8mm Shank: 1/4 hex shank Package Includes: 4 x Woodworking chamfer(3mm,4mm,5mm,6mm) 1 x 1/4 Hex Shank
