Features:
1. Woodworking countersink drill bits enable you to drill, countersink and counterbore in one step, ideal woodworking tools for setting screws flush with or below the surface of a material
2. Working length of the countersink drill bit for carpentry is adjustable for precise depth control, hex wrenches included for changing or tightening the pilot drill bits
3. The countersink drill bit for reamer with a hex wrench to adjust the counter sleeve. The standard hex shank is compatible with fast change systems
4. Hex shank tapered drill bits, suited for wooden planks, plastic, soft metals, fiberboard, particle board, plywood, aluminum board, and compatible with most electric drills
5. Pro wood HSS drill bits with adjustable depth stop collars to flat on the shank with hex wrenches for controlled pilot hole depth and changing or tightening the pilot drill bits

Specifications:
Material: HSS 4241
Drill Size: #6, #8, #10, #12
6#: 2.38mm
8#: 2.78mm
10#: 3.175mm
12#: 3.56mm
Hex Shank Diameter: 6.35mm(1/4'')

Package Included:
4 x Drill Bits
1 x Hex Wrench