4pcs 5/64 7/64 9/64 11/64 Self Centering Drill Bit Set 1/4" Hex Handle for Wooden Door and Window Hinges with Hex Key L 4 Drill Bits

Specifications: - The central drill set has a self-centering function, which reduces the drill bit running and improves drilling accuracy and efficiency. - 135° angled edge drill bit makes drilling easier and quicker. - Double-sided hole design - quick and automatic discharge of saw chips from holes on both sides, no drilling required, locking - Color: Silver - Size: 5/64 inches/1.98mm, 7/64"/2.78mm, 9/64"/3.6mm, 11/64"/4.36mm. Includes: - 4 x self-centering drill bits set. - 1 x hex key. - 4 x replacement drill bits.

• Size of the hinge drill bit: 5/64 inches/1.98 mm, 7/64 inches/2.77 mm, 9/64 inches/3.6 mm, 11/64 inches/4.38 mm, can meet your different needs. Shaft: 1/4 inches/6.35 mm.
• Made from high speed steel drill bit and quenching treatment case. High hardness, durable, superior perforation, can drill the guide holes of cabinet and door hinges faster.
• Automatic Positioning Center improves accuracy and efficiency. Double-sided hole design to quickly and automatically expel saw chips from the holes on both sides.
• 16 piece self-centering drill bits designed with high speed steel drill bits and quenching treatment case. Adjustable drilling depth, high hardness, anti-rust, durable, superior drilling performance.
• Hinged drill bits are widely used for punching connections of doors, windows, cabinets and other equipment, furniture installation maintenance, carpentry and other applications.