Body Material: Zinc alloy + carbon steel; Twist drill bit material: high-speed steel; These self centering drill bit have excellent durability, corrosion resistance and high pressure resistance
Precise Drilling: This set feature a spring loaded self-centering guide that accurately centers the bit for drilling straight and consistent holes. Self-centering for reduced walking and precision drilling
Package Includes: You will receive 1 set of 3/32 inch, 7/64 inch, and 1/8 inch hinge drill bit set self center, suitable for # 6 # 8 # 10 screw sizes, with multiple sizes available to meet your different needs
Compatibility: Center drill bit set is made to fit 1/4 In. Drills. Standard hex shank allows various chuck sizes. It easily adapts to electric drills, cordless tools, and manual drivers. Clic-Change design, change without re-chucking for less downtime
Wide Range of Uses: Self-centering hinge drill bits are ideal for installing cabinet and door hinges, as well as for other precision woodworking applications. They are used for drilling pilot holes and installing hinges, strike plates and other hardware