6 PCs Drill Bit Set Drilling Pilot Holes

Standard 1/4 Inch hex shank is quick change compatible.
Adjustable counter sleeve depth with Allen wrench.
Special designed steel counter sleeve countersinks or counterbores pilot hole.
Heat-treated, tempered, and durable high-speed steel for superior cutting power.
Faster discharge of sawdust, you will get a nice smooth surface on any type of hard, softwood or aluminum.
Suitable for soft metal, insulation board, PVC board, wood board, etc.
① Woodworking Chamfer: High-speed steel.
② Shank feature: 1/4" Hex Shank.
Packing Includes
1 x #5 Countersink Drill Bit
1 x #6 Countersink Drill Bit
1 x #8 Countersink Drill Bit
1 x #10 Countersink Drill Bit
1 x #12 Countersink Drill Bit
1 x L-wrench





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