Drill chuck, 5mm (1/4 inch) hinged drill bit set, self-centering guide, sharp drill bits

Material: The yellow tip is made of brass, wear-resistant, rust-resistant, and durable. Application: Widely used in wood and plastic, precise positioning, no movement.

Drill bit: The high-speed 4241 steel drill bit is sharper than conventional drill bits and has a longer lifespan. Accurate: These hinge drill bits reliably and accurately center holes for mounting hinges and other hardware. Easy to use: Wood chips are automatically ejected from the holes on both sides of the drill bit, preventing clogging. 5mm and 1/4-inch drill bits are available for drilling different sized holes.

The chip is automatically removed from these two side holes, preventing clogging. It can be used in wood and plastic drills. Wear-resistant, rust-resistant, and durable for long-term use.