flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.146 mils grip length 26000 single pounds per square inch shear strength chromate surface treated
Used on F-15. flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 33000 single pounds per square inch shear strength anodize surface treated