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[China]
Trade Verify
Address: Room 901,Building 1,Jinhuizhibo Square,No.199 Yanhu West Road,Haiyan,Zhejiang,China
Contact name:Gu Juan Ping
Haiyan Hager Fastener Co., Ltd. |
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Verified Suppliers
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Stud bolt ASTM A193 B7 -16 "Thread to Thread" Class 2A c/w 2 Heavy Hex Nut ASTM A194 Gr.2H Class 2B
1. Best Quality and Best Service for all
2. Newest market information is updated for you
3. If you have any question about the products we are available any time
4.All production lines have adequate quality control and QA/QC inspectors work independently.Our products are approved FCC, CE, RoHS certificate.
5. Except for the Standard components, if you has special request for the components, we can customize for you.
6.If you have any advices for us, please inform us any time you can. We are commited to provide you with the best products.
7. Any defective item , The customer are required to provide us with the videos or the detailed pictures of the defective products, so that our engineers can analyse the problem in it and make a promotion. and good ones will be sent with your next order.
8. If you have new design product, you can send to us, then we design for you. After we make sure you got profit, we’ll start sell to other customer.
The product of 4140 alloy steel shall meet the following chemical composition standards:
C% 0.38-0.48
Si% 0.15-0.35
Mn% 0.75-1.00
P% ≤0.035
S% ≤0.040
Cr% 0.80-1.10
Mo% 0.15-0.25
