K Type KPO Clamp Rail Fastening System suit various rail tracks

Basic Information
Place of Origin: China
Brand Name: ZhongYue
Certification: ISO9001:2015
Model Number: KPO
Minimum Order Quantity: 10000sets
Price: Negociable
Packaging Details: double layer woven bags on wooden pallet
Delivery Time: 45 days after order
Payment Terms: T/T, 30% in advance
Supply Ability: 1000 tons per month
Material: Q235 Weight: 12.312kg
Surface: Oil Or Zinc Application: UIC54,UIC60, 50kg Rail, 60kg Rail,S49
Grade: 4.6 5.6 8.8


K Type KPO Railway Fastening System



    Rail fastening system is used for fastening the railway rails and sleepers. The function of rail fastening system is to maintain the gauge and prevent the vertical and horizontal movement of rails relative to the position of the sleeper. A fastening system is usually consist of rail tie plate, spike, clip, rail anchor or other fasteners.

    Railway fastening system can be classified into various types, such as E-clip rail fastening system, Nabla clip rail fastening system, SKL clip rail fastening system, KPO clamp rail fastening system, etc. Rail fastening system gives it full play to buffer and absorb the shock that train pressed on the rail. It needs to meet the requirement of enough intensity, durability and certain elasticity, especially with the application of high speed rail and the Improvement of railway security.


In the world the famous KPO fastening system is so good on performance that many countries use it in their own rail tracks. KPO fastening system belongs to clamp fastening system. It includes KPO3, KPO6 and KPO9. Clamp has to be in accordance with DIN, AREAM standards, etc. rail clamp is usually made of low carbon steel by hot forging, rolling and casting.

K Type KPO Clamp Rail Fastening System suit various rail tracks 0



Clamping plate: A clamping plate is a forged item.The KPO clip is a boltable clip, it is used together with the ribbed baseplate and clip bolt.

Clip bolt: also called hook bolt is used for the fastening of the ribbed baseplate. The most common used ones are HS26, HS32

Ribbed baseplate: It is one type of baseplate we offer, normally it is casted.

Sleeper screw: The sleeper screw is used to fasten the ribbed baseplate to wooden sleepers, when used in the concrete sleeper, it is used together with the plastic dowel.

Fe6 spring washer: It is pre-assembled with the sleeper screw, normally it is used to distribute the load of a threaded fastener.


K Type KPO Clamp Rail Fastening System suit various rail tracks 1


Part Name Type; Pieces required Material NOTE
KPO clip KPO3, KPO6, KPO9 2 Q235 Standard: DIN5906
HS bolt HS26, HS32 2 Grade4.6: Q235
Grade5.6: 35#
Grade8.8: 45#
Diameter: 22mm or 24mm.
Length: 55mm, 65mm, 75mm, 90mm
Standard: UIC864-2
Hex nut As ordered 2 Grade 5: 35#
Grade 8: 45#
Standard: DIN985
Washer As ordered 2 65Mn Standard: UIC864-3
Screw spike with spring washer M24×150mm
M24 ×160mm
M24 ×180mm
4 Grade 4.6: Q235
Grade 5.6: 35#
Grade 8.8: 45#
Standard: ISO898-1,
NF F500-50
Base plate UIC54,UIC60, 50kg rail, 60kg rail,S49 etc 1 Casting iron QT500-7
Standard: UIC864-6



Our Company:


    Established in 2013, ZhongYue has become one of the largest manufacturer of Railway fasteners in China. Our products are manufactured according to international standards such as ASTM, DIN, BS, JIS, AS, NF, ISO,GOST and GB. They are inspected frequently by BV, SGS, and ABS. We have been granted ISO9001:2008 certificate and supply products to famous companies such as VAE, Hilti,Vossloh etc. We are a qualified supplier of Canada railway, Kazakhstan railway, American railway, Zambia railway, Thailand railway, Indonesia railway, Malaysia railway, Sweden railway, New Zealand railway, South Africa railway etc.


    Sticking to our quality first policy, ZhongYue pays great attention to quality control management. We have been granted ISO9001-2008 certificates and have received the production license of China's Railway Ministry on railway products. We have a full set of inspection instruments to ensure all our railway bolt products are of high quality and up to customers' requirements.



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