6PCS Square Hole Drill Bit Auger Mortising 1/4 5/16 3/8 1/2 9/16 5/8" Silver

Woodworker Square Hole Drill Bits Mortising Set 1/4 5/16 5/8 1/2

Material: High carbon steel
Hardness: HRC 48~50
Holder diameter(approx.): 19mm (circular)
Size: 6mm 8mm 9.5mm 12.7mm 14mm 16mm

Features:
-Special steel, heat treatment, HRC48~50, high hardness, lengthened core, high concentricity.
-Professional wood drill bit, suitable for construction, installation, renovation, decoration industry, etc.
-It will get double effect by matched use with mortise and tenon machine, the square hole punching needs to use electric drill, hammer tools.

Package Included:
6 x Tenon Hole Drill Bits

Notes:
1. Manual measuring, please allow 1 ~ 3mm error,thank you.
2. Due to the difference between different monitors, the picture may not reflect the actual of the item. We guarantee the style is the same in the picture.









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