1PC Wood Woodworking 5 Flute HSS Countersink Drill Bit Set Carpentry Tool

Description: drilling pilot holes for screw Size： #6，#10 ，#13，#16 Special designed steel counter sleeve countersinks or counter bores pilot hole. Adjustable counter sleeve depth with Allen wrench. Standard hex shank is quick change compatible. 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.

Specifications: Black chamfer drill body Material: Steel

Package included: 1PC x Countersink Drill Bits