4pcs Self Centering Hinge Hardware Wood Drill Bit Hole Puncher Tool

FEATURES
Precision positioning, no drilling deviationSharp cutting edges, high efficiency drillingWood scraps will be discharged automatically from the holes on the top of the bitCrafted from high-grade brass and high speed steel with electroplating finishHigh hardness and strength, strong wear resistanceDesigned to drill holes for installing door or window hingesChoose the proper drill bit size according to the hardness of wood, choose a smaller bit when drilling soft wood and a bigger one when drilling hard wood
Specifications
Material
Brass & High-speed Steel
Appearance
Electroplating
Type
Core Drill Bit
Color
Silver
Size
 Drill
 Hole Diameter
Suitable Self-tapping Screw Size 
 5/64"
 2 mm
 2.2-2.8mm
 7/64"
 2.8 mm
 3-3.5mm
 9/64"
 3.5mm
 4-4.5mm
 11/64"
 4.5mm
 5-5.5mm
Dimensions
(4.33 x 1.10 x 0.28)" / (11 x 2.8 x 0.7)cm (L x W x H)
Weight
3.46oz / 98g
Package Includes
4 x Wood Drill Bits:1x 5/64´´ Tapper 1x 7/64´´ Tapper 1x 9/64´´ Tapper 1x 11/64´´ Tapper