plain washers

1. Material:Q235,35#,etc
2.Certificate:ISO9001:2008
3.Application:railway fastening system
4.Also manufacture by requirement.

Washer
Type	flat washer		spring washer		lock washer
Material	Q235,35#,etc.		65Mn,60Si2Mn,etc.		60Si2Mn,65Mn,etc.
Size	M1.6-M64		M2.1-M48.5		M1.6-M64
Hardness	100HV,200HV,300HV		HRC42-45		HRC41-46
Finish code	Plain,Zine-plate,Dacromet,etc.		Passivate,Zine-plated,Phosphate,etc.		Antirust,etc.

Flat washer

  

                                                                                                             Spring washer