Detail 4pcs Mata Bor Hex Shank Countersink Tapered Ukuran 3 / 3.5 / 4 / 4.5mm Bits
Features:
100% brand new and high quality.
4Pcs set includes bits for drilling pilot holes for screw sizes #6,#10,#13 ,#16.
Can drill the screw holes and keep on the same axis, after screw in screw£¬nut below the board.
Apply to with a clamp or joint drilling machine, suitable for drilling in the hard wood and wood floor, machine screw for wood screw.
Material: HSS Drill 4241.
Black chamfer drill body material: steel 45.
Shank: 2.5mm diam hex shank.
Model/The corresponding bit size:
#6: 3mm
#10: 3.5mm
#13: 4mm
#16: 4.5mm
Package includes: 4 x drill bits, 1 x wrench
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