Nabla fastening system
Part name | Technique parameter | Technical requirement | Remark |
Nabla clip | Type | Thickness 4mm or 4.5mm | Application for different rail type |
Material | 60Si2MnA | Chemical composition(%): | |
60Si2CrA | Chemical composition(%): | ||
Finish | Plain oiled, red color painting, or the other required by customers | Offered as ordered | |
Hardness | 42-47HRC | ||
Fatigue life | 3 millions cycles without breaking | ||
Standard refers to | DIN17221, GB/T1222 | ||
Insulator | Type | UIC54,UIC60, S49 rails | |
Material | Reinforced Nylon 66 (PA66) | Density:1.3-1.45g/㎝3 | |
Color | Black, blue, yellow, green or other color | ||
Double end screw spike | Type | UIC54,UIC60, 50kg rail, 60kg rail | |
Material | Grade 5.6: 35# | Tensile strength: ≥500Mpa | |
Finish | Plain oiled, Oxide black, Zinc plated,Hot dip galvanized | ||
Special spring washer | Type | 18.25x34x78mm | For protecting the thread of the double end screw spike |
Material | ML08Al | Chemical composition(%): | |
Finish | Plain oiled, Oxide black, Zinc plated, Hot dip galvanized | ||
Hex nut | Type | As ordered | |
Material | Grade 5: 35# | Chemical composition(%): | |
Finish | Plain oiled, Oxide black, Zinc plated, Hot dip galvanized | ||
Standard refers to | DIN985 | ||
Plain washer | Type | As ordered |
|
Material | Q235 | Chemical composition(%): | |
Finish | Plain oiled, Oxide black, Zinc plated, Hot dip galvanized | ||
Standard refers to | DIN125 |