5/64\" 7/64\" 9/64\" 11/64” Self Centering Drill Bit

• Durable : The 4pcs self centering drill bit made of high speed steel drill bit and quenching treatment shell designed. Adjustable drill depth, high hardness, rustproof, durable and superior drilling performance.
• Wide Applications: counter drill bit with all size to , could make a nice touch for or work in most quick disconnect adapters like a wood window or door tapping, etc.
• Accurate Tool: Adjustable design allows you to replace drill easily. The automatic positioning center improves positioning accuracy and efficiency. Wood chips will be automatically discharged from the holes on both sides of the top of the bit, which will not block the bit a must for professionals and DIY personnel.holes, They make alignment of holes so much easier and you can get center every time.
• EXCELLENT DESIGN: The center set features self centering to reduce bit walking increases precision and efficiency when drilling. Double sided hole design fast & automatic discharge Sawdust from the hole on both sides, without a drill, blocked.
• All Size You Need: Hinge drills 4 different sizes: 5/64“, 7/64\'\', 9/64\'\', 11/64\'\', with key to meet your needs.

4 Self Centering Drill Bit1 Wrench