what is the key performance points for the captive bolt?

a,reliable captive  cold forming sleeve with high reliability captive with bolt   and plastics body or sheet metal.
b,easy assemblying reasonable sleeve structure to achieve easy assy.
c,good screw performance  Grade 8.8 9.8 10.9 12.9 Optional.
d,no rust permission in long time using 1000 Hours Salt Spray Test.
e,economy spending cold form to save tiny cent.
f,reliable supplying and good service 18 years experience on hardware manufacturing.
g,Customer well control aim to become customer long term supplier.

what about the sleeve assy in the plastics body/ sheet metal？
press in  or  ultrasonic melt or  Mold-in or self-clinching /flare-clinching on sheet metal
==> sleeve structure to guarantee the push out /torque in the plastic body

      Flare-chamfer structure                                          circle-ring structure                        slot-rib structure

mold-in plastic body                                               press-in or ultrasonic melt in plastic body

always CAPTIVE
reliable CONNECT
enjoy SCREWING
Cold Head Forming  what you want,
just like cooking for  any cakes or puddings.