Square hole drill bit for woodworking

Achieve consistent and clean cuts for woodworking!

Quickly create perfect mortise and tenon connections without manual carving!

Description:
1. A set of four pieces, including common dimensions, 6.4mm = 1/4 inch, 8mm = 5/16 inch, 9.5mm = 3/8 inch, and 12.7mm = 1/2 inch.

2. Excellent quality, made of alloy steel material, not easy to be damaged.

Notice: It needs to be used with bench drill, or hand drill larger than 800W or lithium drill larger than 48V.

Package:

1x 6.4mm (1/4 inch) Mortising Chisel Drill Bit

1x 8mm (5/16 inch) Mortising Chisel Drill Bit

1x 9.5mm (3/8 inch) Mortising Chisel Drill Bit

1x 12.7mm (1/2 inch) Mortising Chisel Drill Bit

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