Roof Supporting Expansion Shell Bolts
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Roof Supporting Expansion Shell Bolts

Roof Supporting Expansion Shell Bolts are used for fixing single-sided shuttering or similar structures in rock, concrete or comparable load-bearing ground. When installing expansion shells, please consult the separate installations instructions available on demand.

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Product Description

The anchor has a shell length of 105mm which is inserted into a 32mm diameter hole. A 15/17mm Z bar is screwed tightly into the anchor shell until fully expanded. It is thread tested for a MWL 90kN. Client is to obtain Engineer’s advice to determine anchor depth and pull-out load.

Product Name

Roof Supporting Expansion Shell Bolts

Type (Size)

32mm, 35mm, 38mm, 42mm, 48mm

Material

Cast Iron for anchor nut, Cold Steel for Leaves, Q235 for bracket

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



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