Expansion Shell Resin Roof Bolts

As one of the Expansion Shell Resin Roof Bolts manufacturers and suppliers in China. Expansion Shell Resin Roof Bolts, in tunneling and underground mining, steel rod inserted in a hole drilled into the roof or walls of a rock formation to provide support to the roof or sides of the cavity. Rock bolt reinforcement can be used in any excavation geometry, is simple and quick to apply, and is relatively inexpensive. The installation can be fully mechanized.

The length of the bolts and their spacing can be varied, depending on the reinforcement requirements.

Production Process

Machining Workshop

We have full set line of machining facilities, various CNC equipment and Machining Center can meet customers’ requirements. After machining, the casting parts will be completed. Then, they will be inspected and packed for delivery and shipment.

Quality Control

Checking the raw material after they reach our factory------- Incoming quality control

Checking the details before the production line operated

Have full inspection and routing inspection during mass production---In process quality control

Checking the goods after they are finished---- Final quality control

Checking the goods after they are finished-----Outgoing quality control

Packing and Delivery

Packaging of Expansion Shell Resin Roof Bolts can be customized based on customer requirements to meet the different needs, such as plastic bag, carton box, wooden case, crate, etc.