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Spring Steel Washers / Double Coil Spring Washers For Rail Sleeper screw​
 
Specifications:
SUYU is engaged in manufacturing and supplying a wide range of rail sleeper screw. Designed with high precision and processed under advanced technologies, these rail sleeper screws are manufactured using high grade raw materials, satisfying all the quality standards. With reliability, robustness and effective performance, these products can be used in railway engineering.
Rail sleeper screw spikes are used to fasten sole plates and ribbed base plates to wooden sleepers. In rail construction with the concrete sleepers, the rail sleeper screw is used in combination with a plastic dowel pressed in the concrete sleeper, indirect or direct fastenings of rails on concrete and wooden sleepers. Characteristically, the sleeper screw thread may only be produced in a hot-forming operation. The different shapes of the head correspond to the pass form of the respective spanner used for fastening and loosening of the rail sleeper screws.
The screw spike costs more to manufacture than the dog spike or dog nail, but has the advantage of greater fixing power; approximately twice that of a dog spike, and can be used in combination with spring washers.
SUYU can supply a range of rail sleeper screw spikes manufactured to international standards according to BS, ASTM and DIN, among others. SUYU has extensive experience in the rail industry and a high level of expertise in this specialized field. SUYU can manufacture any quantity, big or small, and offers a range of finishes including hot dipped galvanized, black, sherardized or self color for the budget conscious.
1. Ss series rail sleeper screw is according to the standard UIC864-1
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

Type	Dimension (mm)	Weight (Kg)
Ss5-150	M24×150	0.545
Ss8-140	M24×140	0.528
Ss8-150	M24×150	0.548
Ss8-160	M24×160	0.568
Ss23-160	M24×160	0.645
Ss25-165	M24×165	0.625
Ss35-161	M24×160	0.657

 
2. We produce the rail sleeper screw spikes for the USA with the standard ASTMA66-87, cold bending 90 degree without cracks. Standard strength 65000PSI or high strength 100000psi is available.
Diameter: 3/4\", 7/8\", 15/16\"
Length: 5-1/2\", 6\", 7\", 8\", 10\"
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
3. 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. 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

Type	Dimension(mm)	Weight (Kg)
V20-135	M20×135	0.438
V23-115	M23×115	0.48
V23-135	M23×135	0.55
V23-155	M23×155	0.62
V23-215	M23×215	0.78
V26-115	M26×115	0.55

 
5. Screw spike for wooden sleeper (high tension screw spike)
Size: 15/16×6-1/2
Surface Treatment: Plain (waxed), Bl