2a nut thread thread class right-hand nut thread 0.150" stud thread thread length 1.272" overall length 40 nut thread thread quantity per inch hex shoulder 0. 060 in. lg at ea end of 0.125 in. dia shank, distance between bearing surface ea hex 0.500 in. porm .002 unc nut thread thread series
3a thread class right-hand 0.560" thread length round w/wrench flats chamfered head style 16 thread quantity per inch navy special project unc thread series
2a thread class right-hand 0.313" thread length pan no. 2 head style 32 thread quantity per inch navy special project phosphate screw surface treated unf thread series
3a thread class right-hand 0.251" thread length pan head style 2.115" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 0.302" grip length 32 thread quantity per inch nickel surface treated unf thread series
2a thread class right-hand 0.375" thread length flat chamfer head style 28 thread quantity per inch head vertically knurled passivate fastener surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.376" grip length 1565 single pounds per square inch shear strength self-locking