3a thread class right-hand headless (setscrew) head style 56 thread quantity per inch nylon tip 0.031 in. dia in point passivate surface treated unc thread series
3a thread class right-hand square head style 11 thread quantity per inch navy special project threads dia 0.625-11 extends 1 3/4 in. from head. threads dia 0.625-12 extends 5/8 in. from end of fastener. taper 3/4 in. per ft at end of fastener unc thread series
3a thread class right-hand headless (setscrew) head style 40 thread quantity per inch deform threads 0.150 in. nom length passivate surface treated unc thread series
3a thread class right-hand headless (setscrew) head style 32 thread quantity per inch furnished with polyamide insert passivate surface treated unc thread series