flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.156" grip length 49000 single pounds per square inch shear strength
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.188" grip length 65000 single pounds per square inch shear strength
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.360" grip length 65000 single pounds per square inch shear strength
2a thread class right-hand 0.407" thread length wing no. 1 head style 16 thread quantity per inch 0.062 by 0.065 in. dia hole drilled 0.562 in. from thd end paint surface treated unc thread series
3a thread class right-hand 0.685" thread length hexagon head style 1.625" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.436" thread length hexagon head style 0.922" grip length 28 thread quantity per inch cadmium surface treated unf thread series
