When would you mouse a shackle?

Mouse or Mousing (screw pin shackle) is a secondary securement method used to secure screw pin from rotation or loosening. Annealed iron wire is looped through hole in collar of pin and around adjacent leg of shackle body with wire ends securely twisted together.

Are shackle pins interchangeable?

Never interchange load pins between different shackle manufacturers. Always have it hand-tightened at a minimum, but even better is to use a wrench or a screw driver through the pin’s hole in order to ensure it is fully engaged and tightened before lifting the load.

Why is there a hole in a shackle pin?

Just like carabiners, handcuffs and various other types of shackling equipment, the point of a lifting shackle is to provide a strong and durable connection between two points, that can be opened and closed as required to either allow or prevent disconnection.

How tight do you tighten a screw pin shackle?

The screw pin threads shall be fully engaged and tight and the shoulder should be in contact with the shackle body. Thus, contrary to popular believe, you should never back off the screw pin before use. The shackle pin should be a minimum of hand tight before the lift begins. Always make sure the shackle pin is tight!

What is mousing a hook?

Noun. mousing hook (plural mousing hooks) A hook with an attachment which prevents its unhooking.

What is a moused hook?

What are the 3 types of shackles?

What Are the Different Types of Shackles?

• Bow – the curved portion of the shackle body opposite the pin—often referred to as the bail, body, dee, or bowl.
• Ears – portion of the shackle body that support the shackle pin.
• Pin – a steel bolt made to span the two shackle ears.

What is red pin shackle?

3. Red Pin (Crosby) – A range of forged shackles that have been quenched and tempered to give strength and resilience, to meet the requirements of USA Federal Specifications with the Working Load Limit permanently shown on every shackle.

Why are shackles forged and not cast?

When something is cast, the material is heated above its melting temperature and poured into a mold where it solidifies. When something is forged it is physically forced into shape while remaining in a solid state – although it is frequently heated. In other words, forgings are generally better for shackles.