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Rock Bolt for Tunnel R38 of Alloy 40cr

2025-04-13 introduction 2430

Model NO.:

R38

Application:

Construction

Certification:

ISO

Surface Treatment:

Yes

Technics:

Hot Rolled

Material:

Steel

Type:

Rock Bolt

Trademark:

TOPMETAL

Transport Package:

Bundle

Specification:

R25, 32, 38, 51, T76

Origin:

China

HS Code:

7308400000

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