Railway Fastening System

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 Rail Fastening System

The function of rail fastening system is to fix rails to railway sleeper or railroad ties. Generally, a rail fastening system is consisted of rail anchors, rail tie plates, chairs, fasteners, spikes, screws, bolts, etc.

Railway fastening system can be divided into many types, such as E-clip rail fastening system, Nabla Clip rail fastening system, SKL clip rail fastening system, KPO clamp rail fastening system, Spring Blade fastening system, High Speed rail fastening system, etc. Under the guidance of quality first" principle ,AGICO supplies safe and reliable fastening systems with high tensioning force and creep resistance to effectively protect the rail against tilting. In addition, our systems have been highly praised and been a good sale both in China and abroad due to our teams’ sincere dedication and hard working.

AGICO Rail Fastening Systems

  • SKL3/SKL12/SKL14 rail fastening system

    rail fastenering systemrailway fasteneing systemskl clip rail fastening system

Specifications for ONE unit of SKL type rail fastening system:

Item Quantity Type Material Remark
SKL tension clip 2 skl1, skl3, skl12, skl14 60Si2CrA, 60Si2CrA, 38Si7 Hardness: 42-47HRC
Standard: DIN17221, GB/T1222
Ss35 screw spike 2 M24×150mm
Grade 4.6: Q235
Grade 5.6: 35#
Grade 8.8: 45#
Standard: ISO898-1
NF F500-50
Flat washer 2 Uls7 Q235 Standard: EN10025, EN10139
Plastic dowel 2 For different sizes of screw spike HDPE, Reinforced Nylon 66 (PA66) For insert into concrete sleeper
Guide plate 2 UIC54, UIC60, 50kg rail, 60kg rail,
and other sizes as ordered
Reinforced Nylon 66 (PA66) Different designs are available
Rail pad 1 Size as ordered EVA, or rubber
  • E-clip Fastening System

    e clip rail fastenere clip fastening systeme clipffastening system22

Specifications for E type rail fastening systems:

Item Quantity Material Type Remark
E-clip 2 60Si2MnA, 60Si2CrA Dia. 16mmDia. 18mmDia. 20mm Hardness: 44-48HRC
Toe Load: 500-700kgf for Dia.16mm; 750-900kgf for Dia.18mm; 1100-1400kgf for Dia.20mm
Fatigue life:5 million cycles without breaking
Standard: DIN17221, BS970, GB/T1222
Shoulder 2 QT500-7, QT450-10 UIC54,UIC60, 50kg rail, 60kg rail,
BS80lbs,BS100lbs, and size as ordered
 Hardness of E-clip is 44-48HRC; Toe Load for E-clip is 500-700kgf (Dia.16mm); 750-900kgf(Dia.18mm); 1100-1400kgf(Dia.20mm);
Fatigue life of E-clip is 5 millions cycles without breaking DIN17221, BS970, GB/T1222 qualified E-clip
Rail pad 1 HDPE, rubber or EVA
Insulator 2 Reinforced Nylon 66 (PA66)

  • KPO Rail Fastening System

    kpo rail fastening system1kpo rail fastening system

Specifications for ONE unit of KPO type rail fastening system:

Item Quantity Type Material Standard
KPO clip 2 KPO3, KPO6, KPO9 Q235 DIN5906
Screw spike 2 M24×150mm M24×160mm M24 ×180mm
other length as ordered
Grade 4.6: Q235
Grade 5.6: 35#
Grade 8.8: 45#
ISO898-1, UIC864-1 and NF F500-50
HS bolt 4 HS26, HS32 Grade4.6: Q235
Grade5.6: 35#
Grade8.8: 45#
Diameter: 22mm or 24mm
Length: 55mm, 65mm, 75mm, 90mm
Hex nut 2 As ordered Grade 5: 35#
Grade 8: 45#
Double coil
spring washer
2 As ordered 65Mn UIC864-3
Base plate 1 UIC54,UIC60, 50kg rail
60kg rail,S49 in ordered size

Casting iron QT500-7
forging low carbon steel
or high carbon steel


  • Nabla Clip Rail Fastening System

    nabla rail fasteningnabla clip rail fastening systemnabla clip rail fastening system

Specifications for ONE unit of Nabla Clip Rail Fastening System:

Item Quantity Type Material Remark
Nabla clip 2 Thickness 4mm or 4.5mm 60Si2MnA, 60Si2CrA 42-47HRC 3 million times without breaking; Application for different rail type
Insulator 2   Reinforced Nylon 66 (PA66) Density:1.3-1.45g/cm3 Tensile strength:≥170Mpa Elongation:≤4.4% Bending Strength:≥250Mpa Impact Strength(No gap):≥80KJ/m2 Melting point:250-270℃ Insultion resistance:≥1X108Ω Glass fiber content:30-35% Hardness:≥110HRR
Screw spike 2 UIC54,UIC60,50kg rail,60kg rail Grade5.6:35# Tensile strength:≥500Mpa Yield strength:≥300Mpa Elongation:≥20% Cold bending:90 degree without crack
Spring washer 2 18.25x34x78mm ML08AI Chemical composition(%): C:0.05-0.10, Mn:0.30-0.60, Si:≤0.1, Cr:≤0.2, P:≤0.035, S:≤0.035

  • High Speed WJ - 8 Rail Fastening System:

high speed type wj 8 fastener systems.

Specifications for ONE unit of high speed WJ-8 rail fastening system:

Item Quantity Material
Rail clip 2 60Si2MnA
Screw spike 2 20MnTiB
Flat washer 2 Q235A
Rail insulator 2 PA66
Guide plate 2 Reinforced Nylon 66 (PA66)
Rail pad 1 EVA, or rubber
Tie plate 1 QT450-10
Plastic dowel 2 HDPE, Reinforced Nylon 66 (PA66)
Rail adjustable pad 2 PE
Tie Plate adjustable pad 2 PE
  • Clip III Fastening System

Clip III fastening system applies to 60 kg/m rail of sleepers without shoulders, and it’s a boltless system. It includes rail clips, rail shoulders and insulators.

Specifications for Clip III Fastening System:

Item Quantity Material
Rail clip 2 60Si2MnA
Rail insulator 2 PA66
Rail shoulder 2 QT450-10
Rail pad 1 EVA, or rubber
  • Clip II /Clip I Fastening System

With the application of concrete sleeper and track laying of seamless, Clip II /Clip I fastening system is exploited, it is now heavily used on line.

Specifications for Clip II /Clip I Fastening System:

Item Quantity Material
Rail clip 2 60Si2CrA
screw+ nut +washer
2 Q235A
Rail insulator 2 Q235
Baffle board 2 PA66
Rail pad 1 EVA, or rubber


1. What is the definition of ONE SET railway fastening system?

Generally speaking, ONE SET railway fastening system refers to the unit for one side of a sleeper of a single rail, i.e., 2 sets of fastening systems are needed for a single sleeper of a single rail, and 4 sets needed to fix a sleeper with rails.

2. Do you supply FREE samples of the rail fastening systems?

FREE samples can be supplied but the freight is paid by customer.

3. How is surface treatment for the fasteners?

We provide different coating service as per clients’ requirement: plain (oiled); paint with any color; oxide black; wax; bituminizing; DHG; electroplating zinc and others are available. plain and black oxide are all available.

4. What is the payment term?

We usually accept 30% prepayment, and the balance 70% against B/L copy within 5 working days after B/L date; flexible payment is negotiable.

5. What is the delivery time?

It depends. Delivery time can be as short as 10 days or less when moulds or goods are in stock. Otherwise, it may take 30-40 days to develop new products.

6. How do you guarantee the quality of fastening system?

A: We have passed the certification of CRCC in China and ISO9001:2008 overseas. We also accept third party test from clients.
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