3、Big disk screw spike

Rail sleeper screw spikes with big disk are mostly used   in South America and Africa
A taper of 1mm in the core and thread diameters   towards to the point of the screw over the portion shown parallel is allowed,   provided the tolerance on the diameter at the upper end is not exceeded. The   material for the rail sleeper screw is complying with British standard N   15-1961.
Diameter: 22mm, 23mm
Length: 115mm, 133mm, 178mm
Grade: 4.6,   5.6
Material: Q235, 35#
Surface Treatment: Plain (oiled), Black painting,   Zinc, HDG
 MOQ: 5000PCS
Packing: 25Kg plastic bags and wooden pallets or   according to clients' requirement

4、NF F50-006 3V sleeper screw 

Sleeper screw 3V meets with NF F50-006, Grade 4.6 and   5.6. The mechanical properties are in accordance with NF F 50006, tension   strength 700MPA (min), elongation 12% (min), and cold bending 30 degree without   crack.
Grade: 4.6, 5.6
Material: Q235, 35#
Surface Treatment: Plain   (oiled), Black painting, Zinc, HDG
MOQ: 5000PCS
Packing: 25Kg plastic bags   and wooden pallets or according to clients' requirement

5、High tension screw spike

Screw spike for wooden sleeper (high tension screw   spike)
Size: 15/16×6-1/2
Surface Treatment: Plain (waxed), Black painting
MOQ: 5000PCS
Packing: 38PCS in 50LB plastic keg

6、Coach screw used in South Africa

Coach screw is used for the mining industry in South   Africa.
Diameter: 18mm
Length: 65mm and 75mm
Material: Q195 and   Q235
Surface Treatment: Zinc
Grade: 4.6
MOQ: 50,000PCS
Packing: 25Kg   plastic bags and wooden pallets or according to clients'   requirementt

7、DHS35 sleeper screw

DHS35 sleeper screw DHS35 rail sleeper screw spike, supports the use of the   SKL14 rail fastening syste
Diameter: 24mm
Length: 158mm and   161mm
Grade: 4.6, 5.6, 8.8
Material: Q235, 35#, 45#
Surface Treatment:   Plain (oiled), Black painting, Zinc, HDG
MOQ: 5000PCS
Packing: 25Kg   plastic bags and wooden pallets or according to clients'   requirement

8、NF F50-014 rail screw

Rail sleeper screw spike with round thread, according to   the standard NF-F 50014.
Grade: 4.6, 5.6, 8.8
Material: Q235, 35#,   45#
Surface Treatment: Plain (oiled), Black painting, Zinc, HDG
MOQ:   5000PCS
Packing: 25Kg plastic bags and wooden pallets or according to   clients' requirement.

9、Double ends screw spike

Rail sleeper screw spike with two ends, fixes the rail   together with the Nabla clip system. This spike is very popular in Africa. We   use special material TD16 to produce the sleeper screw to meet with the bending   test, bending 30 degree and Size:   23×174
Grade: 5.6
Material: TD16
Surface Treatment: Plain (oiled),   Black painting, Zinc, HDG
MOQ: 5000PCS
Packing: 25Kg plastic bags and   wooden pallets or according to clients' requirement

10、 Timber drive spike

Timber drive spikes can reduce installation and   maintenance costs. The spikes are used for timber construction highway crossing   planks and panels, bridge and trestle guard rails, motor car set-off, docks,   etc. The washer head is single forged and the excellent holding power of threads   provides tight installation. The spikes are easily installed, driven with a maul   or pneumatic spike driver. They cannot be overdriven and are easily removed for   reuse with a hand or power tool. The drive spikes are available for a wide   variety of installations and maintenance of way, and meet with the standard   ASTMA66-87, cold bending 90 degree without crack.

Main Size: 5/8×10 and   7/8×7
Grade: 5.6
Material: 35#
Surface Treatment: Zinc or according to   clients' requirement
MOQ: 5000PCS
Packing: 200LB kegs and wooden pallets   or according to clients' requirement

11、  Slotting head screw spike 

Screw spike with slotting head, as per UIC864-1

Size:   24×131 and 24×150
Grade: 4.6
Material: Q235
Surface Treatment: Plain,   Black painting or according to clients' requirement
MOQ: 5000PCS
Packing:   Plastic bags and wooden pallets