1/2'' / 3/8'' / 5/16'' / 1/4''
4 type for your choice
100% brand new and high quality.
Drill lengthened, high concentricity.
The whole heat treatment, HRC48-50, high hardness.
With the use of tenon machine, if the manual open hole, you need hand drill and hammer and other tools.
High quality material with long service time.
Color: sent randomly
Total length: 210mm
Clamping cylindrical diameter: 19mm
Type: 1/2''(12.7mm) / 3/8''(9.5mm) / 5/16''(7.94mm) / 1/4''(6.35mm)
(Note: The above size refers to the square hole drilling side length.
Please allow 1-2mm error due to different measurement way, and refer to what you actually received because of product detail
1pc x Drill bit