Features:
1.Whole heat treatment, HRC 48-50, high hardness.
2.The drill core is lengthened,high concentricity.
3.Cooperate with the square tenon machine.
4.The cylindrical diameter of the clamping part is 19 mm.
6.Application: used for woodworking punching.
Descriptions:
1.This is Square Hole Mortiser Drill Bit,safety and durable.
2.This Mortising Chisel is great for drilling square holes in wood with a mortising machine or a mortising attachment.
Specifications:
Type:1/4'(6.35mm),5/16'(7.94mm),3/8'(9.5mm),1/2'(12.7mm)(optional)
Color:Silver
Material: 50# steel
Weight:
1/4'(6.35mm) -135g
5/16'(7.94mm)-140g
3/8'(9.5mm)-160g
1/2'(12.7mm)-215g
Package included:
1 x Square Hole Mortiser Drill Bit
Noted:
1.Please allow 1-2mm errors due to manual measurement.
2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a