The fastening screw is also called the supporting head screw and the positioning screw. A screw for fixing the relative position of the parts.
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PVC cutters make working with PVC pipe much easier. Cutters like the one in my video use a ratchet mechanism that allows you to cut through the pipe little by little and concentrate the force you’re applying onto a precise area. There are several similar styles of PVC pipe cutters. These are a basic, but rather heavy duty pair of cutters. For most PVC cutting tools the same ratchet motion is employed. For more PVC resources visit Commercial-Industrial-Supply.com