Code for thread
Regular thread no code
Regular thread,left-handed LH
Fine-pitch thread FG
Fine-pitch thread,left-handed FGLH
Material
Clevis: low carbon steel Q235A or higher level steel
Folding spring bolt:
bolt: Q235A, tensile strength approx. 550-700 N / mm²
spring: 65Mn hardened and annealed to approx. 430-500 HV
Surface protection
Blue zinc plated,yellow zinc plated,phosphatised oiled,chromeplated,or upon request.
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Fax: +86-574-87675899
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