6-12.7mm HSS Square Hole Drill Bit Square Auger Mortising Chisel Drill Set Square Woodworking Drill Bits Woodworking Drill Tools
Feature:
1. Perfect for Woodworking Joinery: This HSS square hole drill bit is ideal for drilling square holes in wood using a mortising machine or mortising attachment.
2. Requires Square Hole Drill Machine: The square hole drill machine (mortiser) is necessary to use with the square hole drill bit. It cannot be used with a regular electric drill.
3. Combines Auger Drill Bit and Outer Sleeve Drill Bit: This square auger mortising chisel drill set combines the auger drill bit and outer sleeve drill bit to create precise square holes for woodworking joinery.
4. Reduces Labor Intensity and Increases Construction Speed: By using this square woodworking drill bits, construction workers can reduce their labor intensity and achieve faster construction speed. This ultimately helps lower the overall construction costs in the building, installation, renovation, and decoration industries.
5. Excellent Material and Fine Craftsmanship:This sharp mortiser drill bit is made of high-quality materials and crafted with precision, ensuring durability and superior performance. It is designed to produce clean and smooth square holes without any burrs or rough edges.

 

Specification:
Certification: CE
Origin: Mainland China
Type: Gun Drill Bit
DIY Supplies: Woodworking
Material: high speed steel
Specifications: 6mm, 6.35mm (1/4), 7.94mm (5/16), 9.5mm (3/8), 10mm (7/16), 12.7mm (1/2)
Quantity: 1 piece
Drill bushing diameter: about 19mm
Drill sleeve size: about 138.00x19.00x19.00mm (5.43x0.75x0.75inch)

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.