JW8 JT6 162.0 79 29 27 4 2.5 M4-M8 2.50 JW12 MT2 137.0 79 29 27 4 2.5 M4-M2 2.51 Easy-operated and simple-installed, the installation is same as fixing ordinary drill bit. Once fixed the lever, it can be used immediately. Start drilling and grinding by pressing down the operation-handle while reversing regression by rising the operation-handle. Internal torque protection to guarantee the screw tap works safely. Working with a drilling machine, processing precision, and quality will be greatly improved for the semi-automation occasions. Electric Discharging Machine suppliers website:http://www.markingmachine2001s.com/electric-discharging-machine-1
