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Nabla Type Railway Fastening System railroad fasteners for France or African

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Nabla Type Railway Fastening System railroad fasteners for France or African

Brand Name : ZhongYue
Model Number : Nabla
Certification : SGS,TUV
Place of Origin : Kunshan
MOQ : 10000 sets
Price : negotiatable
Payment Terms : T/T
Supply Ability : 1000 tons per month
Delivery Time : 45 days after order
Packaging Details : double layer woven bags on wooden pallet
Material : Q235
Type : Blade fastening system
surface : oil or Zinc
application : UIC54,UIC60, 50kg rail, 60kg rail,S49
Grade : 4.6 5.6 8.8
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K Type KPO Railway Fastening System


Rail fastening system is used for fix the railway rails and sleepers. The function of rail fastening system is to keep 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 railway fastening system, Nabla clip railway fastening system, SKL clip railway fastening system, KPO clamp railway 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 reach the requirement of enough intensity, durability and certain elasticity, especially with the application of high speed rail and the Improvement of railway security.


The Nabla fastening system is widely used in France and Africa railways. It is compliant with EN13481-5 standard.
The Nabla fastening system consists the following items:
Nabla blade: The Nabla blade is made up of alloy spring steel according to NF F50-015 standard
Insulator: This insulator is specially designed for the Nabla blade, we also call it support pad
High strength double end screw spike with nut and washer

Part NameType;Pieces requiredMaterialNOTE
Nabla clip4mm or 4.5mm thick260Si2MnA,
Fatigue Life 3 million times without breaking
Standard: DIN17221;GB/T1222
InsulatorUIC54,UIC60,S492Reinforced Nylon 66 (PA66)customerize
Double End Screw spikeUIC54,UIC60, 50kg rail, 60kg rail,S49 etc2Grade5.6,35#Bending at 30 degree without break
Spring Washer18.25x34x78mm2ML08AIfor protect the thread of the double end screw spike
Hex Nutcustomerize2Grade5,35#Standard: DIN 985
Flat Washercustomerize2Q235Standard: DIN 125

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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railroad fasteners


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