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Brand Name : NC468
Model Number : 468
Certification : ISO9001,CE,SGS
Place of Origin : Mainland China
MOQ : 100 pcs
Price : Can talk
Payment Terms : T/T, L/C
Supply Ability : 90,000 pcs monthly
Delivery Time : 30 days
Packaging Details : Wooden Case
Hollow Grouting Anchor Bolt with Expansion Shell Mechanical Roof Bolt
Description
Expansion shell bolts are 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
Related Products
Expansion shell, rock bolt, bearing plate, washer, mechanical bolt, coupling bolt
Application
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Hollow Grouting Anchor Bolt with Expansion Shell Mechanical Roof Bolt Images |