Detailed Product Description Air Nut Riveter,Nut Riveter,Pneumatic Nut RiveterHEAVY DUTY SEMIAUTOMATIC AIR HYDRAULIC NUT RIVETERSUPPLIER NO.: AT-R03DESCRIPTIONHydraulic piston for increased power.Sets ... trigger only one actuation of trigger spins rivet nut onto threaded mandrel, collapses rivet nut, then reverse spins itself out of completed ...