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    Rail Nut and Washer
    Rail Nuts & Washers
    Standard Reference (Nut) : DIN, ASTM,(Gr2,Gr5,Gr8,2H),AREMA
    Standard Reference (Spring Washer) :NF F50-001,AREMA,DIN,AS,UIC,JIS,GOST
    Standard Reference (Flat Washer) :EN10025,EN10139,ASTM F436,DIN125/433,GB/T1230,DIN5915,BS4395/3410,
    Surface Treatment :Plain, Oxide Black, Zinc-Plated , Hot Dip Galvanized,etc.
    Customization is available !

    Heavy-Duty Nuts ,Spring Washers , Lock Washers, Flat Washers
    • \HuiBo Railway produced and supplied such different kinds of the Railway small components to Screw on Rail bolt ,sleeper screws etc before shipment,we usually supplied these parts as a whole set for exporting.
    Double Spring Washers:
    • \Type: Fe6
      Raw material: 60Si2Mn
      Spring steel bars Fe6
      Hardness: HRC 42-50

    Rail Nuts
    • \Type: Hex head, Square head, Flange head
      Standard: DIN, BS, AREMA
      Size: above M16
      Raw material: Q235. 35# 45# 40Mn2, 20MnSi, 35CrMo, 40 Cr. 42CrMo
      Grade: 4.5, 6, 8, 9, 10, 12
      Surface Treatments: plain, black, zinc, HDG etc.
    Flat washers & Lock Washers
    • \Flat Washers : Uls6, Uls7
      Lock washer: WL20, WL24, Wl22
      Raw material: 65Mn, 60Si2Mn, 70#
      Surface Treatment : Black, zinc, HDG etc .
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