0.626 - 0.750 Inch Grip 1/4 Inch Dia x 1 Inch Aluminum Standard Flange Dome Head Blind RivetAluminum Aluminum blind rivets bright polished to improve oxidation resistance and overall aesthetics of the riveted product. Our rivets are tested to ensure consistent error free application from rivet to rivet. A special treatment applied to the rivet insures the mandrel will be encased by the rivet during application. the blunt diamond point prevents injury while improving application speed. All aluminum rivets are ranked #5 in shear and tensile