flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.641" grip length 32000 single pounds per square inch shear strength cadmium surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.391" grip length 32000 single pounds per square inch shear strength cadmium surface treated