What is shackle in padlock?

Shackle: Most often a loop of metal (u-shaped bar) that opens up to lock and unlock the padlock – available in varying lengths and diameters to fit a variety of needs. There is a rather unique style of lock (see the single-post shackle padlock below) that uses a straight shackle.

What are long shackle padlocks used for?

Long shackle locks are ideal for offering more clearance space than shorter shackle padlocks, which can be restrictive on fittings such as hasp and staples. We recommend a long shackle padlock for uses such as securing gates, gym lockers, cabinets and tool boxes.

Can you replace a shackle in a padlock?

Trick: If you do not have an Easy Shackle Change Tool handy and need to change out a shackle, you can open the lock, install the Z-bar upside down (dot is not visible any more), insert the cylinder into the padlock and rotate the key to the open position. Hold under tension and you will be able to pull the shackle out.

What is shackle length on a padlock?

The shackle length is measured from the top of the lock body to the inside of the shackle. The standard length varies by product and the optional lengths are designated in the product number: ie 3LF. Some common lengths and designations are: LS: 3/4″ (19mm)

What is shackle in padlock? ā€“ Related Questions

What are 5 types of shackles?

Let’s check them out one by one.
  • D or Chain Shackles. Also called D Shackles, they have a d-shaped body.
  • Anchor Shackles. People often use the terms anchor shackles and bow shackles interchangeably.
  • Bow Shackles.
  • Twist Shackles.
  • Wide Body Shackles.

What is the most secure padlock?

Choose a padlock that features either carbide or alloy steel for the best security. The better the metal you have the more secure your padlock will be. Make sure you choose a thick metal like alloy but don’t worry about its weight as this isn’t always a sign of its strength.

How do you determine the size of a shackle?

Shackles are sized according to the diameter of the bow section rather than the pin size. Never use a shackle if the distance between the eyes is greater than listed in the manufacturer’s tables.

What size shackles do I need?

Typically, you can go up one size greater than the nominal size of our links-i.e. a 5/16-inch chain can take a 3/8-inch shackle, but the surest way to ensure that you are getting the right size is to take a few connected links of chain with you to the chandlery and make sure the shackle pin actually fits the hole.

How do you pick a shackle size?

Why is shackle 27.3 meters?

It is a unique unit of length for sea use; 1 fathom is equal to 1.8288 meters, probably a person it is the length of the white man’s arms. It is easy to measure at sea. It is similar to the source of foot. The anchor chain is 15 inches, which is 27.43 meters.

What does CE stand for on shackle?

These Shackles do not meet the same design requirement of a Shackle that has been put through the quality assurance systems set in place for conforming to European Standards (CE).

What are the two types of shackles?

ā€œDā€ (chain) shackles are generally used to join two pieces rated for in-line tension, while bow (anchor) shackles are typically employed where more than one attachment has to be made to the body, for side and racking loads may twist or bend the chain shackle.

What is maximum amount of wear permitted in a shackle?

The threads of the pin and the shackle body are in good order and function correctly. 5. The body and pin are not damaged in any way and are free from distortion, nicks, gouges, cracks and excessive wear and corrosion. (Recommended maximum wear allowance is 10%).

Should you back off shackle pin?

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!

Why is there a hole in a shackle pin?

Shackle pins or bolts are often threaded or part-threaded, but they can also take the form of clevis fasteners, with a cross-hole included for a split pin or tang to hold them in place once they’re secured through the ends of the shackle.

What is the safety factor for shackles?

The green pin shackle is mainly used for lifting purposes and have a safety factor of 5 or 6.

What is a 5 to 1 safety factor?

Safety Factor Meaning

It is commonly stated as a ratio, such as 5:1. This means that the wire rope can hold five times their Safe Work Load (SWL) before it will break. So, if a 5:1 wire rope’s SWL is 10,000 lbs., the safety factor is 50,000 lbs. However, you would never want to place a load near 50,000 lbs.

What is a 4 to 1 safety factor?

In the section covering leaf chain, the Machinery Directive states that the minimum safety factor when lifting a weight should be 4:1. In other words, the leaf chain should be able to lift four times the maximum weight it will be lifting in its working life.

Leave a Comment