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Current location:Home 》Railway Professional Bolts

products

 

Bolts for railway applications

Applications

Mainly used for the connection of railway track joints

Basic parameters

●　Material: carbon steel alloy steel ●　Specifications: M10-M100 (/ 3/8 "-4") ●　Length: 20mm ~ 1500mm ●　grade: ●　Steel ISO898: 4.6 ~ 12.9; J429 Gr.2-Gr.8 ●　Surface: black, galvanized, hot-dip galvanized, Dacromet, Teflon and so on

Type size and mark example

10.9 high-strength bolts in the form of size drawings 10.9 grade high strength insulation joint bolt form size drawing

Parameters Table

Nuts, bolts performance level Category Main dimensions(mm) d(D) ds dw1 dw2 dw3 d1 d3 dk(e) S K a  R L b m 10.9S High strength bolts for rails 24 22.051 32 33 24 37 20 40 - 16 - - 135 140 160 60   22 20.376 30 31 22 33 18 37 - 15 - - 135 145 150   High strength insulated joint bolts for rails 24 22.051 24 - - - - 39.55 36 15 - - 150 165 170 180 60   8.8S High strength bolts for rails 24 22.051 32 33 24 37 - 40 - 16 8 16 145 60   22 20.376 30 31 22 33 - 37 - 15 7 15 135 50   High strength insulated joint bolts for rails 22 20.376 22 - - - - 39.55 36 15 - - 150 160 170 60   10H Nuts for joint bolts and insulation joint bolts 24 __ 39.55 36 __ 24 22 22

Note: [e] is the diagonal dimension of the nut and the head of the insulated joint bolt.