2a thread class right-hand 0.156" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.438" thread length flat chamfer head style 0.037" hole diameter 48 thread quantity per inch tin screw surface treated unf thread series
2a thread class right-hand 0.547" thread length fillister head style 0.047" hole diameter 24 thread quantity per inch zinc screw surface treated unc thread series
2a thread class right-hand 0.625" thread length fillister head style 0.046" hole diameter 20 thread quantity per inch cadmium screw surface treated unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.227" grip length 75000 single pounds per square inch shear strength cadmium surface treated