flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 1.095" grip length 19500 double 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 1.157" grip length 19500 double pounds per square inch shear strength cadmium surface treated