We are focused on the spring system, its design, research, produce and service.
spring fittings2-5/8"
universal thread for use in either LH or RH wound springs
Maximum wire size 3-31" diameter
set includes winding and staionary
color coded winding fittings
3/8"-16/1" hardened cup point set screw installed with heads
For use on 1"tube or solid shaft min.1/2 turn on set screw
We also have other specifications,such as 1 3/4",2",3 3/4",5 1/4",6".
We are focused on the spring system, its design, research, produce and service, the extension spring and torsion are mainly used in Vertical lifting door, Semi-vertical lifting door, Semi-vertical ramp doors,etc.
spring fittings,flange----industrial door & garage door accessories
