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China Hollow Grouting Anchor Bolt with Expansion Shell Mechanical Roof Bolt wholesale

Hollow Grouting Anchor Bolt with Expansion Shell Mechanical Roof Bolt

Name: Hollow Grouting Anchor Bolt with Expansion Shell Mechanical Roof Bolt
Brand: NC468
Price: 1 USD

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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

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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

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