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HDG High Tensile Tunnel Bolt Video, Demo, How It Works & Features

Published: 2025-04-09 Published by: Taicang Zhongbo Railway Fastening Co., Ltd. 490 views 0 comments

Product Specifications

Model NO.:
ZBRF
Certification:
Arema, Crcc, ASTM, Uic, Tb
Type:
Track Train
Product Grade:
4.6, 5.6, 8.8, 10.9
Usage:
Concrete Ring Connect for Tunnel
Size:
M20, M24 and Other Size Bolt
Surface Finish:
Plain, Black, Phosphate, Zinc, HDG
Inspection:
Internal and 3rd Parties
Sample Policy:
Sample Free, Freight Collect
Production Update:
Weekly Reports Will Be Provided
Application:
Tunnel Building
Raw Material:
Q235, 35#, 45#, 35CrMo, 42CrMo, 40cr
Inspection Reports:
Chemical Composition, Physical Property and Sizes
Trademark:
ZBRF
Transport Package:
Woven Bag and Wood Pallet
Specification:
SGS
Origin:
China
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