3a thread class right-hand flush countersunk head style 0.745" grip length 28600 double pounds per square inch shear strength aluminum surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.995" grip length 21000 double pounds per square inch shear strength aluminum surface treated unjf thread series
3a thread class right-hand flush countersunk head style 2.245" grip length 14600 double pounds per square inch shear strength aluminum surface treated unjf thread series