PRECISE POSITIONING: Drill bush for precise positioning,will not move. High-speed steel body designed, durableand excellent for use.
SAWDUST DISCHARGED FROM HOLE: Sawdust will be automatically discharged from the top of the holes on both sides,without drill blocked.
UNIQUE DESIGN: 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.
MULTIFUNCTION: Get accurately centered holes for hinges, handles, drawer slides, etc. Applicable for the installation of the door hinge.
COMMON SIZES: They come in the 3 most common hinge screw sizes 7/64", 9/64", 11/64". The 7/64" is good for drilling holes in smaller hinges and hardware like decorative boxes, 9/64" is ideal for medium to full-size hinges and hardware, 11/64 is perfect for door hinges, gate locks, and all large hardware.