Product Description:
These self centering drill Bit put hinges right where they should be in the center
4 of the most often used sizes for carpenters, cabinet, furniture makers and other wood working trades
Easy to use and install
Positioning accuracy, will not shift, the chips will automatic discharge from the hole on either side of the top of the drill, not stuck drill

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
Material: Brass, HSS
Color: Sliver
Quantity: 1 set (4pcs a set)
Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Thanks for your understanding..