3a thread class right-hand 0.265" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 0.807" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength grit blast top of heads unjf thread series
3a thread class right-hand flush countersunk head style 0.870" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength unjf thread series