As you push the valve onto the pipe, screw on the compression nut by hand. Break out the two wrenches and crank it down. Reattach the water supply line and turn the water back on.

Methods used to attach captive screws to the parent material include split washers clipped on after the screw has been inserted in the ... or a ferrule or sleeve that is pressed, threaded, ...

Viewed from the other side of the position of the ferrule in the dies can be seen. See All 10 Photos. Tightening the screw in the top of the fixture with a ratchet squeezes the dies together.

Screw terminal. This traditional technology uses screws, with or without pressure plates, to terminate wires directly or via a crimp lug. A wiring cage can compress on bare wire or a ferrule, or a ...

According to the company, the screw design improves vibration resistance, compresses conductor without damage, and eliminates the need for ferrules, making it reusable. The kits are designed to ...