SUYU specialize in producing rail fastening , screw spikes are our
main products , these screws spikes are used to fasten sole plates
& ribbed base plates to wooden sleepers. In the rail
constructions with the concrete sleepers these screws are used in
combination with a plastic dowel pressed in concrete sleeper .
Below is some of our main products .
1. Ss series , according to UIC864-1 , grade from 4.6 .5.6 .8.8
Surface : plain (oiled ) .Zinc .Hdg
Material : Q235 .35#. 45#
2. Screw spikes with the standard ASTMA66-87 , cold bending 90
degree without cracks .
3/4" 7/8" 15/16"
5-1/2" 6" 7" 8" 10"
3. Screw spike mostly used in South American and Africa with big
115mmm 133mmm 178mm
4. 3V sleeper screw meet with NF F50-006 , grade 4.6 &5.6 , the
mechanical properties are in accordance with UIC864-1 standard .
5. High tensile screw spike 15/16×6-1/2
Reduction of area
Full size carbon steel screw spikes shall stand being bent cold
45degree around a pin 3 times the spike's diameter without crack on
the outside of the bent portion .
Material 45# , heat treatment .
This type screw spike is widely used in North American .
6. Coach screw used for mining industry
7. DHS35 screw spike , Supporting the use of theSKL14 system .
8. Screw spike 22×115 , assembly with SKL1 system with the grade
5.6 , according to the standard NF-F 50014 .
9 Special screw spike 23×174 , fix the rail together with the Nabla
clip system, very popular in Africa ,We use the special material
TD16 to produce the screw to meet with the bending test , bending
30 degree and straightening it , without crack .
10 .Dive spikes are available for a wide installations &
maintenance of way , meet with the standard ASTMA66-87 , cold
bending 90 degree without crack
Size 5/8×10 & 7/8×7 , Surface ZINC
As a leading manufacturer of rail fastening in China , SUYU also
can produce many other railway fasteners , such as track bolt .
track spike .rail anchor .fish plate . Base plate .rail clips and
so on .
Sticking to the “quality first” policy, SUYU pays great attention
to quality control management. We have granted ISO9001-2000
certificates and have got the production license of China’s Railway
Ministry on railway products. We have a full set of inspection
instruments which makes sure all the products produced by us should
be of high quality and up to customers’ requirements.