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locking pin 1

Date£º2012-11-26 23:12:59 Hit£º Tage£ºlocking pin spring cold forming

 

we can produce safety lock hitch pin,linch pin,lower link implement pin,the process is draw bar,hot forging,cold forming,coil spring,precision machining,assembly,the surface treatment is yellow zinc plating,

the pin is easy and convenient  to close and open,it is better than welding parts for easy to zinc plating,wil not rust in the welding line.

now,some urban facilities,municipal facility use these pin for easy to install and uninstall,will not destroy the parts,can be reuse.

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