2a thread class right-hand 0.125" thread length round extended washer head style 48 thread quantity per inch nickel screw surface treated unc thread series
3a thread class right-hand 0.380" thread length flat chamfer head style 0.048" hole diameter 20 thread quantity per inch shoulder dia. 3rd unc thread series
3a thread class right-hand 0.291" thread length flat countersunk head style 0.052" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.750" grip length 125000 single pounds per square inch shear strength furnished w/o bolt
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.250" grip length 125000 single pounds per square inch shear strength furnished w/o bolt
3a thread class right-hand flush countersunk head style 0.505" grip length 32 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.255" grip length 32 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.193" grip length 32 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
left-hand nut thread 0.970" nut thread thread length 5.180" overall length 16 nut thread thread quantity per inch cadmium or zinc surface treated locked in uns stud thread thread series
2a stud thread thread class right-hand nut thread 0.970" nut thread thread length 5.180" overall length 16 nut thread thread quantity per inch cadmium or zinc surface treated locked in un stud thread thread series