Center Doors Self Centering Hinge Tapper Core Drill Bits Set -8pcsCenter Doors Self Centering Hinge Tapper Core Drill Bits Set -5pcsPRECISE POSITIONING: No displacement, sawdust will be automatically discharged from the top of the hole on both sides, the drill bit will not be blocked.7 DIFFERENT SIZE: Come with most common hinge screw sizes 5/64", 7/64", 9/64", 11/65", 5mm, 13/64", 1/4"AUTOMATICAL DISCHARGE: Sawdust will be automatically discharged from the top of the holes on both sides, without drill blocked. Never miss the center of the hole again, references from the hinge bevels.EASY TO REPLACE: Different hardness wood, need a different centering drill, you just need to take the screw apart and replace the drill.EASY TO INSTALL: Unique design and perfect punch effect. Applicable for the installation of the door hinge. Easy to use and install, change bits fast which one-handed load and release.FeatureA. Suitable for most general purpose electric drillsB.Efficient and accurate positioningC.New upgrade 135° inclined blade drill bitD.Double-sided hole discharge sawdust designHow to use it?1.Prepare the center drill bit and hex key.2.Rotating the hex key.3.Grab the top of the bit and unscrew the shell (just like twist the lid off the drink).4.If you need to replace the drill bit, just need to remove the broken bit and install the replacement bit.Specifications:Material: Brass + high-speed steelType: Core Drill BitColor: SilverQuantity: 7 pieces + 1 x Hex KeySize: 5/64", 7/64", 9/64", 11/65", 5mm, 13/64", 1/4"
