flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 85000 single pounds per square inch shear strength passivate surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 36000 single pounds per square inch shear strength anodize surface treated
2a thread class right-hand 0.132" thread length flat chamfer head style 40 thread quantity per inch cadmium screw surface treated color top 0f head black unc thread series
2a thread class right-hand 0.169" thread length pan head style 40 thread quantity per inch navy special project cadmium or paint screw surface treated dark gull gray mil-e-5556, color no. 36231, fed STD595 unc thread series
3a thread class right-hand 0.250" thread length flat countersunk head style 0.928" grip length 32 thread quantity per inch tin surface treated unc thread series
3a thread class right-hand 0.585" thread length flat countersunk head style 56 thread quantity per inch navy special project cadmium surface treated unjc thread series
