The HuckLok structured blind rivet is designed to meet the requirements of HVAC equipment assembly. Company officials report that the rivets offer vibration-resistant strength and compatibility for a variety of applications and hole size diameters. The HuckLok is designed with a quarter-inch grip range and large blind-side footprint. The product is versatile enough to fit many HVAC manufacturing needs. The HuckLok is available in 3/16- to quarter-inch in diameter

Alcoa Fastening Systems, 8001 Imperial Drive, Waco, TX 76714; (800) 388-4825;