1、 Pull nails are divided into flat head and round head (also known as umbrella). For the riveting of flat head pull nail, the side in contact with the pull nail head must be a salad hole. The contact surfaces of the riveting of round head pull nails are plane.
Pull the two parts with through holes through the pull nail, and pull the pull rod with the pull nail gun until it is broken, so as to expand the outer part of the outer pull nail sleeve, so as to make it a non-removable connector.
3、 Working principle and equipment comparison
1) Hollow quick riveting: compression rivet, hydraulic nail pulling gun.
2) Core pulling riveting: pull rivets, pneumatic nail pulling gun.
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