1a nut thread a thread class 0.380" stud thread thread length 1.880" overall length 20 nut thread a thread quantity per inch unc nut thread a thread series
2a nut thread a thread class right-hand nut thread a 13.000" nut thread a thread length 26.000" overall length oxide surface treated acme nut thread b thread series
3a thread class right-hand flush countersunk head style 0.562" grip length 32 thread quantity per inch 7100 double pounds per square inch shear strength unjf thread series
3a thread class right-hand flush countersunk head style 0.625" grip length 32 thread quantity per inch 7100 double pounds per square inch shear strength unjf thread series
3a thread class right-hand flush countersunk head style 0.567" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series