flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.240 mils grip length 33000 single pounds per square inch shear strength anodize or oxide film surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.031" grip length 65000 single pounds per square inch shear strength