Nabla Type Railway Fastening System
Structurally, a Nabla clip rail fastening system contains these parts like nabla clips, insulator, double end screw spike, special spring washer, hex nut and plain washer.
The Nabla rail fastening system is extensively used on French TGV High-Speed lines. The Nabla Clip generates its clamping force by tightening the nut in a controlled degree.
Materials for the components: HDPE, PA6, PA66, PA66+GF30%
Dimension: Different Sizes Available, Customized according to the drawing
Standard: DIN, NF, AREMA, etc.
MOQ: 5000 Sets/Pieces
Supply ability: 300 Ton/Tons per Month
Delivery: within 15 working days
Structurally, a Nabla clip rail fastening system contains these parts like nabla clips, insulator, double end screw spike, special spring washer, hex nut and plain washer.
Part name | Type | Material | Surface | Remark |
Nabla clip | Thickness 4mm or 4.5mm | 60Si2MnA, 60Si2CrA | Plain oiled, red color painting, or the other required by customers | Hardness: 42-47HRCFatigue without breaking GB/T1222 |
Insulator | UIC54, UIC60, S49 rails | Reinforced Nylon 66 (PA66) | Black, blue, yellow, green or other colors | Different designs are available. |
Double end screw spike | UIC54, UIC60, 50kg rail, 60kg rail | Grade 5.6: 35# | Plain oiled, black oxide, galvanized, hot dip galvanized | Bending at 30 degree without crack. |
Special spring washer | 18.25×34×78mm | ML08Al | Plain oiled, black oxide, galvanized, hot dip galvanized | For protecting the thread of the double end screw spike |
Hex nut | As ordered | Grade 5: 35# | Plain oiled, black oxide, galvanized, hot dip galvanized | Standard: DIN985 |
Plain washer | As ordered | Q235 | Plain oiled, black oxide, galvanized, hot dip galvanized | Standard: DIN125 |
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Nabla Rail Fastening System
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