Master Gripper fasteners from Leland Industries Inc. have a high hex washer and twin-lead threads to rapidly pierce and thread multiple laps of high tensile steel up to 26 gauge. They feature Hexavalent chromium-free JS500 base plating, designed to outlast zinc by a four to one margin with no red dust. They are available with a long-life finish powder coating in a variety of colors. Pancake head screws for retrofit or hidden fastener applications are also available. For more information, visitwww.lelandindustries.com.
Circle RS #6