17pcs VIX Bits Self Centering Drill Bit Set, 1/4" Hex Shank Self Centering Hinge Tapper Core Drill Bit Set for Woodworking Window Door Hinge with 1 Hex Key & 8 Drill Bits 5/64"-1/4"

High Quality: Our center drill is made of high-speed steel drill bit and quenching treatment shell. High hardness, durability, and superior drilling performance, drilling cabinet and door hinge guide holes faster.
Excellent Design: The center drill set features self-centering to reduce bit walking increase precision and efficiency when drilling. Double-sided hole design fast and automatic discharge sawdust from the hole on both sides, without drill blocked.
Package Includes: 8 different Hinge drills sizes, 5/64'', 7/64'', 9/64'', 9/64’’, 11/64'', 13/64'', 5mm, 1/4", with a hex key, change bits fast which one-handed load and release. It can be adjusted appropriately according to the hardness of the wood.
Widely Used: High-quality steel self-centering drill bits applicative for furniture, kitchens, woodworking, window doors, etc. Different hardness wood, needs different centering drills, you just need to take the screw apart and replace the drill.

Package Dimensions ‏ : ‎ 6.54 x 2.6 x 1.73 inches;