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Boulons à tête carrée |
Standard |
Diameter |
Length |
Grade |
Material |
Surface |
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AREA
SAE Grade 5 |
3/4’’ to 1-3/8’’ |
1/2’’ to 10’’ |
4.6 to 10.9 |
Q235,35#,45#,
42CrMo |
Black, Zinc-plated, H.D.G. Dacromet |
JSCC TRACK MATERIAL
Tel: +86 17712612177 Fax: +86 51981234002
Address:7#1315 ,No.9 ,Taihu East Road, Xinbei District Changzhou ,Jiangsu ,China
JSCC：
Matériel ferroviaire