flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 26000 single pounds per square inch shear strength anodize or oxide film surface treated
2a thread class right-hand 0.250" thread length round head style 32 thread quantity per inch cadmium screw surface treated point tapered for alignment unc thread series
2a thread class right-hand 0.234" thread length fillister head style 32 thread quantity per inch dichromate zinc screw surface treated full dog point unf thread series
2a thread class right-hand 0.938" thread length flat countersunk head style 24 thread quantity per inch dichromate zinc screw surface treated unf thread series
2a thread class right-hand 0.375" thread length fillister head style 32 thread quantity per inch cadmium or zinc screw surface treated unf thread series
3a thread class right-hand 0.464" thread length oval countersunk head style 24 thread quantity per inch passivate screw surface treated unf thread series