Your position: Home>>News center>>Product Knowle...>

Screw Spike and Surface Treatment


Source: Dan   Update tme: 2014-03-17   Visitor: 

Screw spike, or lag bolt, is a kind of railway fasterner which was first introduced in 1860 in France (French tire-fond), and became common in continental Europe. It is one of the most popular rigid rail fixation items.screw spike is a large metal screw used to fix a tie plate or fasten rail. Screw spikes are fixed into a hole bored in the sleeper.The screw spike has a higher cost to manufacture than the rail spike but has the advantage of greater fixing power; approximately twice that of a rail spike, and can be used in combination with spring washers.Screw spike


Surface treatment

There are mainy five type of screw spike 
Black coating.
Plating white zinc or yellow zinc (color-zinc).  
Salt spray test time:72 hours, non-rusting
3. Hot galvanizing.  
Salt spray test time:120 hours, 380hours, 500hours, non-rusting
4. Dacromet.   
Salt spray test time:120 hours, 380hours, 500hours, 1000hours, non-rusting
5. Black electric melting.  
Salt spray test time:120 hours, 380hours, 500hours, 1000hours, non-rusting


More information about Screw Spike is available at www.railway-fastener.com/

Products List

Hover see more.


Rail Screw Spikes
Rail Track Spikes
Rail Fish Bolts
Rail Clip Bolts
Rail Track Bolts
Special Rail Bolts
Nuts and washers
Rail clips
Rail clamps
Cast and Forged product
Plastic product
Steel Rail and sleeper

Contact us

  • Shanghai Honge  Industry Co., Ltd.
  • Tel:0086-21-60499668
  • Fax:0086-21-58662068
  • Email: sales@ifastening.com

Need help?

or Email us :