ial: Brass shell, HSS core, Exterior Plating
Used for: Wood Drilling
Size:
5/64″: Hole diameter is about 2 mm, Use about 2.2 – 2.8 mm tapping screw
7/64″: Hole diameter is about 2.8 mm, Use about 3 – 3.5 mm tapping screw
9/64″: Hole diameter is about 3.5mm, Use about 4 – 4.5 mm tapping screw
11/64″: Hole diameter is about 4.5mm, Use about 5 – 5.5 mm tapping screw
Package included:
4 x Self Centering Drill Bit