Flat-ti rivet nuts wɔ cylindrical fã a ɛyɛ mmerɛw anaasɛ ɛyɛ vertically grooved. vertically grooved rivet nuts na wɔtaa de di dwuma bere a wɔreyɛ efisɛ wɔn vertical grooves no ma anti-slip effect. Flat-ti rivet nut no ti no pue fa dade a wɔde ayɛ no mu bere a woreyɛ riveting no. Flat-Head rivet nuts nso yɛ rivet nut a wɔtaa de di dwuma na ɛtra hɔ kyɛ.
Countersunk head rivet nuts nso wɔ smooth anaasɛ vertically grooved finish. Wɔde chamfers ayɛ no riveted wɔ ntama a ɛyɛ tratraa mu. Sɛ wɔde si hɔ wie a, ti no ani ne dade a wɔde ayɛ no no hyia. Nneɛma a ɛwɔ hɔ ne dade a wɔde galvanized ayɛ, dade a ɛnyɛ den 304, ne dade a ɛnyɛ den 316.
Wobetumi anya countersunk head rivet nuts nketewa wɔ galvanized iron, 304 stainless steel, ne 316 stainless steel mu. Sɛnea edin no kyerɛ no, countersunk head rivet nuts nketewa no ti ntwemu ketewaa bi ne ne kɛse sen countersunk head rivet nuts. Sɛ dade a wɔde ayɛ ntama no yɛ teateaa na chamfer no sua anaasɛ enni hɔ a, countersunk head rivet nut ketewaa bi nkutoo ne ɔkwan a wobetumi afa so.