2a thread class right-hand 0.500" thread length flat countersunk head style 24 thread quantity per inch anodize screw surface treated unc thread series
3a thread class right-hand 0.100" thread length flat chamfer head style 20 thread quantity per inch non-magnetic screw magnetic signature requirement: less than 2 gamma (.02 milli gajss) when tested i.a.w. ws 20522 passivate surface treated unc thread series
3a thread class right-hand flush countersunk head style 0.625" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand 0.387" thread length flat countersunk head style 32 thread quantity per inch self-locking element: patch type per mil-f-18240 except prevailing passivate fastener surface treated unc thread series
3a thread class right-hand 0.252" thread length flat countersunk head style 40 thread quantity per inch self-locking element: patch type per mil-f-18240 except prevailing passivate fastener surface treated unc thread series
3a thread class right-hand 0.949" thread length flat countersunk head style 20 thread quantity per inch self-locking element: patch type per mil-f-18240 except prevailing passivate fastener surface treated unc thread series