Expansion Shells Rock Bolt

Supreme Machinery is a professional Expansion Shells Rock Bolt Manufacturers and Suppliers in China, our Factory has the latest technology and production equipment, which can provide customers all over the world very good service.

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Product Description

Supreme Machinery is a professional high quality Expansion Shells Rock Bolt Manufacturers and Suppliers in China. Expansion Shells Rock Bolt is a common style of area ground support. A point anchor bolt is a metal bar between 20 mm – 25 mm in diameter, and between 1 m – 4 m long There is an expansion shell at the end of the bolt which is inserted into the hole. As the bolt is tightened by the installation drill the expansion shell expands and the bolt tightens holding the rock together. Mechanical bolts are considered temporary support

Product Name	Expansion Shell Rock Bolt Anchor
Type (Size)	32mm, 35mm, 38mm, 42mm, 48mm
Material	Cast Iron
Finish	Sand Blasting
weight	0.3-0.6KG etc.

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 Shells Rock Bolt can be customized based on customer requirements to meet the different needs, such as plastic bag, carton box, wooden case, crate, etc.