Oiled coupling bolt of switch bed plate

- Jul 04, 2018-

Oiled coupling bolt of switch bed plate

Quality standard:

The bolt thread is not damaged, the washer mouth is downwards, the bolts are descaled and rust cleaned, the oil is in good condition and can be released normally.



The torque of guard rail, frog, crossing nose and wing rail reaches 120~150N.m.

The torque of guard rail, frog, crossing nose and wing rail fastener shall remain 120~150 N m;  the torque of the basic rail fastener in the range of 25 m of the rail and its front and back should be kept at 60~80 N. M.


Jinzhou Tiegong is an ISO9001 certified manufacture of various types of professional railway equipment. We are specialized in designing and producing more than 100 types of products with our own brand “Liaojin Tiegong”.

Our designed and developed Rail Tamping Machine, Rail Drilling Machine, Rail Cutting Machine, Lithium Battery Multi-functional Rail Switch Grinding Machine, Rail Ballast Cleaning Machine, Lithium Battery Rail Vehicle, Rail Bender etc. have obtained high praise from our customers.

Welcome your any comment and inquiry. 

Miley Wang

sales manager

T:+86-18640689880  Whats app:+86-18640689880  Skype: wangyan2706

Jinzhou Tiegong Railway Maintenance Machinery Co.,Ltd.

Add:No.1-400, Ruishengjingzuo Building, Jinzhou City, China

T:+86-(0)416-7996209   F:+86-(0)416-7996209    E:miley@tiegong.net /jztg9233@163.com