Worm Drive Hose Clamps including, JCS Hi-Torque, Jubilee Clips, Mikalor ASFA, Oetiker Narrow Worm Drives and HCL's Budget Worm Drive Hose Clip. The Worm drive hose clamp, commonly referred to as worm gear clamp, is a type of fastening device used to secure hoses onto fittings or pipes. They consist of a metal band that encircles the hose and is tightened by a screw mechanism, which allows for precise adjustment of the clamp’s diameter. This design provides a strong grip on soft hoses and is particularly effective for applications involving varying pressure levels. Buy direct from HCL for the best prices and services around. Buy Worm Drive Hose Clips below.