Rivet Style Flangeless Male Snap Studs 10 Pack Flangeless Stud with .188 to 0.375" Grip Range flangeless studs are commonly found on convertible automobiles, specially designed fastening clips or in marine applications. Our flangeless studs offer a low profile stud that can be attached with a screw, rivet or eyelet. Brass Nickel flangeless studs are commonly found on convertible automobiles, specially designed fastening clips or in marine applications. Our flangeless studs offer a low profile stud that can be attached with a screw, rivet or eyelet.