Umbrella head pull studs are also called round head pull studs and pan head pull studs. The brim of the countersunk head pull stud is downward, and the round head pull stud is upward.
Post time: Oct-19-2022
Umbrella head pull studs are also called round head pull studs and pan head pull studs. The brim of the countersunk head pull stud is downward, and the round head pull stud is upward.