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High Quality Curve Spear Tunnel Bolt for Concrete Ring
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High Quality Curve Spear Tunnel Bolt for Concrete Ring

tunnel bolt
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Description

Model NO.: cb
Type: Hexagon Head
Head Style: Hexagonal
Grade: 8.8
Finish: Hot Galvanizing
Product Grade: 4.6, 4.8, 6.8, 8.8, 10.9
Product Standard: DIN, ANSI, Arema, GB, GOST...
Trademark: ZBRF
Origin: China
Material: Carbon Steel
Connection: Common Bolt
Standard: DIN, ANSI, GB, JIS, BSW, GOST, Uic
Application: Building
Product Material: Carbon Steel, 35#, 45#, Q235
Usage: Railway Fastener
Surface Couating: HDG, Black, Plain Oiled
Specification: SGS

High Quality Curve Spear Tunnel Bolt for Concrete Ring, tunnel bolt,

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Taicang Zhongbo Railway Fastening Co.,Ltd

railway fastening

Address: No.88 Taowan Center Rd,Shaxi Industry Park,Taicang,Jiangsu,China,
Taicang, Jiangsu
China, 215421

Tel: +8651253208506
Fax: +8651253371080

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