A special product for mechanical connection of steel bar, including cold extrusion sleeve, cone thread sleeve and straight thread sleeve.Can be used to connect ribbed steel bars
Especially suitable for bolts or nuts with very narrow turning position or very deep depression
Can be used as wrench, socket wrench, is a special tool to tighten or unscrew
The inner hexagonal sleeves are arranged according to the bolts type, which can be selected according to the needs
Composed of several inner hexagonal sleeves and one or more handles of the upper sleeve