2a thread class right-hand 0.945" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
2a nut thread a thread class left-hand nut thread b 3.220" nut thread a thread length 14.560" overall length 12 nut thread a thread quantity per inch cadmium surface treated unf nut thread a thread series
3a nut thread thread class right-hand nut thread 0.620" stud thread thread length 1.239" overall length 20 nut thread thread quantity per inch torx drive on stud end; 0.179 in. lg; undercut on both ends 0.188 in. dia, 0.080 in. lg phosphate surface treated unc nut thread thread series
3a thread class right-hand flush countersunk head style 1.000" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.740" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength 8-32unjc-3b thread size, 0.390 in. lg along the longitudinal axis from the head end. 0.120 in. slot lg. 0.060 in. slot w located 0.330 in. from top of head to center of slot unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.344" grip length 4890 double pounds per square inch shear strength
3a thread class right-hand 1.389" thread length wing no. 4 head style 18 thread quantity per inch apply nylon thread locking compound 0.500 in. lg on threaded area zinc surface treated unc thread series
