Gold Member Since 2015
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Kunshan Alex Railway Fastening Co., Ltd.

Spear Bolt, Tunnel Bolt, Zinc Plated HDG manufacturer / supplier in China, offering Railway Bolt with Socket for Tunnel Construction, Qt450-10 Tie Plate for Rail System, Chinese Standard Heavy Rail Steel Rail (P38KG/P43KG/P50KG/P60KG) and so on.

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Railway Bolt with Socket for Tunnel Construction

FOB Price: US $1.5-2 / Piece
Min. Order: 5,000 Pieces
Min. Order FOB Price
5,000 Pieces US $1.5-2/ Piece
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Port: Shanghai, China
Production Capacity: 600, 000PCS/Month
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: M25, M28
  • Type: Concrete Ring Connect Bolt for Tunnel
  • Head Style: Hex
  • Grade: Customized
  • Finish: Hot Galvanizing
  • Certificate: ISO9001:2008
  • Surface Finish: Plain, Black, Phosphate, Zinc , HDG
  • Process Control: Internal
  • Inspection Reports: Chemical Composition, Physical Property and Sizes
  • Production Update: Weekly Reports Will Be Provided
  • Transport Package: Double-Layer Woven Bag, Fumigation-Free Pallets
  • Origin: Suzhou, Jiangsu
  • Material: Carbon Steel
  • Connection: Common Bolt
  • Standard: DIN, ANSI, GB, JIS, BSW, GOST
  • Application: Building
  • Raw Material: Q235, 35#, 45#, 35CrMo, 42CrMo, 40cr
  • Std No.: Uic,DIN,BS,GB,JIS,etc
  • Grade Data: 4.6, 4.8, 6.8, 8.8, 10.9
  • Inspection: Internal and 3rd Parties
  • Sample Policy: Sample Free, Freight Collect
  • Trademark: ALEX
  • Specification: UIC, DIN, BS, GB, JIS, etc
  • HS Code: 7318150000
Product Description
Railway Bolt with Socket for Tunnel Construction
Railway Bolt with Socket for Tunnel ConstructionRailway Bolt with Socket for Tunnel ConstructionRailway Bolt with Socket for Tunnel ConstructionApplication:Permanently fix concrete tunnel segment
Material:Q23535#45#35CrMo42CrMo40Cr
Grade:4.64.86.88.810.912.9

 
Material: Carbon steel or stainless steel----Q235, 35#, 45#, 35CrMo, 42CrMo, 40Cr etc.
 
Specification:Complete range from M16 to M30 diameters without Length limit.
 
Finishing;plain(oiled),sherardized,hot dip galvanized, white zink plated, yellow zink plated, black, dacromet, geomet or others specified by the customers
 
high quality curve Spear tunnel Bolt for concrete ring
There are 3 senior national class engineers, 5 engineers and 8 assist engineers, they are working hard on R&D and improvement of rail fastenings for each field. We already awarded 18 patents on metro railway fastening system, tramway fastening systems, and performed widely. We are also the testing base of Southwest Transportation University regarding to rail fastening systems; we also cooperated with Shanghai Tongji University regarding the research and developing about vibrating reduction, wave friction reduction to rail tracks fields and award several leading results.
 
Kunshan Alex Railway Fastening Co., Ltd manufactures railway fasteners and standard components. As a leading railway fasteners manufacturers in China,with production license of Chinese railway Ministry, advanced technology, high precision inspection instruments and service, our products have been widely exported the USA, Germany, Spain, Japan, Australia, Italy, Netherlands, Belgium, Poland, the UK, India, and South Africa etc.
 
We can provide products according to customers drawings and samples.Our main products are as following:
 
1. Elastic Rail Clip and Clamp, SKL clip,E Clip, Deenik clip, Fist clip;
2. Rail Screw Spike/coach screw/drive screw/dog spike;
3. Plastic Dowel/screw dowel;
4. Track Bolt with Nut;
5. Rail Base (Tie) Plate;
6. Rail Fish Plate, Fish Bolt, nut and washers;
7. Railway Shoulder (Insert);
8. Railroad Rubber and EVA Pad;
9. Rail spring washer, Rail plain washer;
10. Rail Clamp plate;
11. Train Block shoe/ Brake block;
12. Rail Anchor;
13. Rail Shoulder;
14. Steel Rail;
15. Steel Sleeper.
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Ms. Jenny. Liu
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