4-Piece Square Hole Drill Bit Set for Woodworking, 6.4mm / 8mm / 9.5mm / 12.7mm Wood Mortising Chisel Set for Carpentry, Construction, Decoration, and Industry

[Square Hole Size]: 1/4 inch / 6.4 mm, 5/16 inch / 8 mm, 3/8 inch / 9.5 mm, 1/2 inch / 12.7 mm. Refers to the length of the edge of the square hole drilled by the square drill bit.

[Application]: This mortising chisel is ideal for drilling square holes in wood with a mortising machine or mortising attachment. Suitable for use in the woodworking, construction, installation, and decoration industries.

[Features]: Reduces the workload of construction workers and speeds up construction.

[Material]: High strength and hardness, made of high-quality material, wear-resistant and easy to use.

[Note]: Other dimensions are shown in the image. Please allow for 1-2 mm errors due to manual measurement.

Product Description

Item Descriptions:

-[Square Hole Size]: 1/4 inch / 6.4 mm, 5/16 inch / 8 mm, 3/8 inch / 9.5 mm, 1/2 inch / 12.7 mm. Refers to the length of the edge of the square hole drilled by the square drill bit.

-[Application]: This mortising chisel is ideal for drilling square holes in wood with a mortising machine or mortising attachment. Suitable for use in the woodworking, construction, installation, and decoration industries.

-[Features]: Reduces the workload of construction workers and speeds up construction.

-[Material]: High strength and hardness, made of high-quality material, wear-resistant and easy to use.

-[Note]: Other dimensions are shown in the image. Please allow for 1-2mm errors due to manual measurement.

Package:

4pcs Square Drill Bits

(Note: Other accessories are not included.)

Item Specifications:

Drill Bit Material: Metal

Shank Diameter: 19mm/0.75 inches