[Features]:

7Pcs set includes bits for drilling pilot holes for screw sizes 5#,6#,7# ,8#.9#,10# and 12# twist screws on the same axis, and screw nut below the board plane, drill collars can adjust up and down!

Apply to with a clamp or joint drilling machine, suitable for drilling in the hard wood and wood floor, machine screw for wood screw.

[Name]: 7Pcs carpentry countersink drill 5--12 # woodworking tools

[Material]: high speed steel drill bit 4241, the black part of it is 45 # steel.

. Brand Name: ManPingLu,DIY Supplies: Woodworking,Type: Core Drill Bit,Origin: Mainland China,length: 100MM,Model Number: 7pcs,Material: High Speed Steel,Use: Wood Drilling,Certification: none,Features 1: Tapered Drill,Features 2: Countersink Drill Bit,Features 3: Woodworking Drill,Features 4: Drilling Pilot Holes,Features 5: Adjustable Depth Stop Collars,Features 6: Chamfer Reamer,Features 7: Counterbore Tool,Features 8: Screw Hole Drill,Features 9: Woodworking Tool,Features 10: Tools For Carpentry In Wood,Choice: yes,semi_Choice: yes