flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.563" grip length 800 single pounds per square inch shear strength anodize or oxide film surface treated
3a thread class right-hand 0.418" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.312" thread length fillister head style 0.046" hole diameter 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.376" thread length flat countersunk head style 32 thread quantity per inch anodize screw surface treated unc thread series
3a thread class right-hand 0.562" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.443" thread length flat countersunk head style 0.428" grip length 28 thread quantity per inch cadmium surface treated unf thread series
