What to Look for in Wire Rope Terminals

Wire rope terminal by Monroe

You shouldn’t choose the first wire rope terminal that you come across. There are many different types of wire rope terminals. While they are all used to terminate wire rope casings, their specifications may vary. To ensure that you choose the right type of wire rope terminals, you should look for the following.

High Breaking Strength

You should look for a high breaking strength when choosing wire rope terminals. Breaking strength refers to the maximum amount of tensile force to which a wire rope terminal can be exposed before breaking Wipe rope terminals will be exposed to tensile force from the wires with which they are used.

With a high breaking strength, you don’t have to worry about them breaking. Some wire rope terminals have a breaking strength of 400 to 500 pounds, meaning they can withstand up to 400 or 500 pounds of tensile force before breaking.

Thread Direction

Most wire rope terminals have threads. But the direction of their threads may vary. Some wire rope terminals have left-handed threads, whereas others have right-handed threads.

Left-handed threads run counterclockwise. In comparison, right-handed threads run clockwise. You should choose wire rope terminals in an appropriate thread direction for your application.

Inside Diameter

You should consider the inside diameter when choosing wire rope terminals. Wire rope terminals feature a hollow interior, which is used to accommodate a wire rope. The inside diameter refers to the size of this interior.

Wire rope terminals with a large inside diameter will accommodate bigger, thicker wire ropes than those with a small inside diameter.

Thread Class

Don’t forget to check the thread class when choosing wire rope terminals There are three primary classes for external threads: 1A, 2A and 3A. Thread class refers to how loose or tight the eternal threads are when mating with internal threads.

Surface Treatment

Look for wire rope terminals with some form of surface treatment. Surface treatment processes are designed to protect the surfaces of materials from corrosion and damage. Wire rope terminals are typically made of metal. Metals, as well as alloys, may succumb to corrosion when exposed to moisture. Fortunately, wire rope terminals are available with surface treatment to protect against corrosion.

Passivation is a common form of surface treatment used on wire rope terminals. It involves the use of acid — typically nitric or citrus acid — to remove contaminants from the surface. With a cleaner surface, wire rope terminals are better protected against corrosion.

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