Fongmore 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

Fongmore 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

• 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.