Causes of the most frequent defects - Blind rivet nut



Defect description

Defect causes

Thread breaking Thread breaking  Stroke regulation
Fretting tie rod thread
Exceeding thickness
Exceeding driving couple
Insert tilt Insert tilt   Buckled tie rod
Hole burr
Wrong close head
Turning insert  Turning insert NC Hole
Lower thickness 
 Inward buckling insert Inward buckling insert  Exceeding thickness
 Lower thickness
Hole burr
Scratched closing head Scratched closing head Wrong close head