ZINMOND Self Centering Drill Bits, 17 PCS Hinge Drill Bit Set for Wood Door Window handles Cabinet Woodworking Hinge Hardware Pilot Hole Drill Bit (5/64'' -1/4'') with 1 Hex Key & 8 Replacement Bits.

Worry-free after-sale service:
--Lifetime warranty and money back guarantee
--Unconditional replacement or full refund for defective product
--Please feel free to contact us by emails for solution if there are any problems.

Product Specifications:
-- 5/64"hinge drill bit fit for #3 and #4 screws
-- 7/64" hinge drill bit fit for #5 and #6 screws
-- 9/64" hinge drill bit fit for #8, #9 and #10 screws
-- 11/64" hinge drill bit fit for #8 screws
-- 13/64" hinge drill bit fit for #14 screws
-- 1/4" hinge drill bit fit for #15 screws
-- 5mm hinge drill bit fit for #16 screws

Use Tips:
-- 1. Please choose the appropriate center drill bit according to the wood harness.
-- 2. If you want to customize the hole length, please adjust the drill bit to the length you want and then use the hex key to fix.
-- 3. If you can't get the self-centering drill bit out after drilling, use the hex key to separate the drill bit.
-- 4.Important: Use low speed when drilling (usually keep in 2000R/min - 3000R/min). too fast speed will off center, break the bit or jammed

Package Included:
--8*Center Drill Bits (5/64', 7/64'', 9/64''*2, 11/64'', 13/64'', 5mm and 1/4") (with case)
--1*Hex Key
--8*Replacement Bits