Hose clamps are used to prevent leaks on different kinds of pipes and fittings. You might have used them to fasten a garden hose, but they are also mainly featured in-vehicle motors. There are many different kinds of hose clamps, and the most commonly used is the worm drive MS hose clamp. This type of hose clamp features a screw head, and you can turn the screw to tighten or loosen the grip/torque.
