Supreme Machinery is a professional Mining Roof Bolts manufacturers and suppliers in China, it 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:Mining Roof Bolts |
Material: carbon steel for Expansion Shell, cast iron for Rock anchor bolts |
Finish: Oil Rusty |
Process: Forging for Expansion Shell, casting for Rock anchor bolts |
Application: Rock anchor used in sound rock or concrete allows one-sided forming of walls |
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 Mining Roof Bolts can be customized based on customer requirements to meet the different needs, such as plastic bag, carton box, wooden case, crate, etc.