3a thread class right-hand 0.547" thread length flat chamfer head style 32 thread quantity per inch passivate fastener surface treated unrf thread series
2a thread class right-hand 1.750" thread length flat countersunk head style 36 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 1.094" thread length hexagon head style 1.094" grip length 24 thread quantity per inch dichromate zinc surface treated unf thread series
3a thread class right-hand 1.000" thread length flat chamfer head style 28 thread quantity per inch passivate fastener surface treated unjf thread series
3a thread class right-hand 0.663" thread length flat chamfer head style 28 thread quantity per inch passivate fastener surface treated unjf thread series