Blind rivets,which is also called as pop rivets,is combined with a mandrel through the center of rivet body.When using,blind rivets are inserted into a hole in two or more parts to be joined,and rivet gun is used to draw the mandrel through the body of the rivet.The rivet body would expand and the mandrel would snap off. TIANCHANG FASTENER SYSTEM CO..LTD has specilzed in producing blind rivets for more than 20 years.Now we can supply rivets in various types and materials,including open end blind rivets,closed end blind rivets,multigrip blind rivets,peel type blind rivets ,structural blind rivets and so on. The Steel/Steel open end blind rivets is combined with Steel rivet body and steel mandrel,the diameter of body are available from 3.2mm-6.4mm