Suzhou Sudelan Railway Parts Co., Ltd.
Main products:Rail Spike,Rail Nut,Rail Washer,Fastener
Contact Us
  • Contact Person : Ms. LU Jianlan
  • Company Name : Suzhou Sudelan Railway Parts Co., Ltd.
  • Tel : 0086-512-53703217
  • Fax : 0086-512-53700966
  • Address : Jiangsu,Taicang City,No.9, Donghuan Rd., Fuqiao Town, Taicang City, P.R.China.
  • Country/Region : China
  • Zip : 215434

ASTM DIN GB Metric High strength hex head 12.9 bolt grades

ASTM DIN GB Metric High strength hex head 12.9 bolt grades
Product Detailed
12.9 bolt grades: 1.Spec:DIN,JIS,ASTM,GB,UIC 2.Surface:black, HDG 3.Grade:4.8,8.8,10.9,12.9 4.Material:Q235,45#,40Cr

ASTM DIN GB Standard High strength  12.9 bolt grades

with large hexagon head for steel structures      


I.   Item:High strength bolts for steel structures

II.  Specification:

       DIN 6914, DIN 6916, DIN 7990, DIN 7999, DIN 931,

      ISO 7412, ISO 4775, ISO 7416,

     JIS B 1186,       

     ASTM A325, ASTM A490, 

     GB/T 1228, GB/T 1229, GB/T 1230

III.  Usage:Supply to railway, highway, bridge, boiler with steel structure, industry workshop, high civil buildings, hoisting machinery and so on.

IV.  We also can manufacture by your drawings!

If you need us, please send the details and drawings of the products to our e-mail! 



V. Our strength on exporting:



1.Our company (Suzhou Sudelan Railway Parts Co., Ltd.) is specializing in producing railway fasteners. We have certified by ISO9001:2008 Quality Management System and got the Production Permission License from the Ministry of Railways, P.R.China.



2.From 2006, we have manufactured the products of high speed railway and now they are being used. We exported to world markets, such as U.S.A., Canada, Cuba, Germany, Japan, Singapore, Malaysia and Africa and so on.






  Various honorary certificates
















Factory view figures:





Welcome your visit!


ASTM DIN GB Metric High strength hex head 12.9 bolt grades

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