The sleeve is the abbreviation of the socket wrench. A special tool for tightening or loosening screws. It has a number of six hexagonal sleeve and one or several of the sleeve handle structure, the sleeve of the hexagonal according to the type of bolts in order, can be selected according to need. 

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Reinforced connecting sleeve, a special product for the mechanical connection of steel bars, is divided into cold extrusion sleeve, tapered screw sleeve and straight thread sleeve.

Using the international 45 steel, special manufacturing process, high dimensional accuracy, reliable quality.

Can be connected Ф16-Ф40mm HRB335 level and HRB400 ribbed steel bar.

After the National Construction Quality Supervision and Inspection Center testing, to JGJ107-2003 in the I-level connector standards.

Standard type, positive and negative silk button type, different diameter three series, fifty-two varieties, to meet the building structure in the horizontal, vertical, oblique and other parts of the same diameter, diameter and adjustable length and direction of the connection Steel demand.