Eye bolts can be used as a connection point for rigging, anchoring, pulling, pushing, or hoisting applications. Although eye bolts are commonly used in industrial applications, they’re also commonly misunderstood or used incorrectly.

What is the purpose of eye bolt?

An eye bolt is a bolt with a loop at one end. They are used to firmly attach a securing eye to a structure, so that ropes or cables may then be tied to it.

How much weight can eye bolts hold?

For example, an eye bolt with a 1/4 inch shank can typically hold up to 600 pounds at a straight pull (no angle). However, at a 15 degree angle, the maximum weight capacity drops to 480 pounds (80% of the “straight pull” weight capacity).

What is the difference between an eye bolt and a ring bolt?

Unlike eye bolts, which remain stationary for the duration of a lift, hoist rings can pivot 180° and/or swivel 360° from the screw’s axis to accommodate load movement. Unlike eye bolts, the WLL of a swivel hoist ring is not impacted by angular lifts.

How do you connect an eye bolt?

  1. Orient the eye bolt in line with the slings. …
  2. Pack washers between the shoulder and the load surface to ensure that the eye bolt firmly contacts the surface. …
  3. Engage at least 90% of threads in a receiving hole when using shims or washers.
  4. Attach only one sling leg to each eye bolt.

What are the strongest eye bolts?

Drop forged eye bolts are significantly stronger than wire eyes and are available in larger sizes. These bolts should not be used for angular loads. A corrosion resistant steel alloy. The most common stainless steel for general hardware use.

Can you use eye bolts for swings?

The hooks, screws eyes or eye bolts should be installed 2 to 4 inches wider than the swing’s length — i.e., for a 48-inch swing, space the hangers 50 to 52 inches apart. This ensures even weight distribution and prevents the chains from rubbing against the swing.

What is a bent bolt?

The bend of the bolt is used to keep materials in place without providing any room for radical movement. Once the bolt is secured, it acts as the perfect joint for heavy loads. Depending on your application’s requirement, we also provide Bent bolts in zinc plated coating and galvanised coating.

What is a lifting eye bolt?

Shoulder Pattern Lifting Eye Bolt Shoulder patterned lifting eye bolts, often called machinery eye bolts, collared lifting eye bolts or lifting eyes, feature a shoulder under the eye that provides greater stability for angular lifts by reducing stress on the shank.

What is the safe working load for a 1 eye hook?

Shank DiameterWorking Load Limit In Linepull (lbs.)Working Load Limit Angle Less Than 45° (lbs.)3/4720018007/810600265011330033251-1/4210005250

Article first time published on

How do you hang a hammock with eye bolts?

First, drill a hole completely through the tree 5 to 6 feet above the ground. The threaded shaft of the eye bolt should be 2 inches longer than the diameter of the tree where you drilled the hole. Insert the eye bolt through the tree so that you attach a washer and a nut to secure the bolt to the tree.

How do you remove an eye bolt?

But removing them can be a bit of a pain, especially if you try to do it by hand. Instead of putting your thumbs through a world of hurt, try this simple trick for eye hook removal: Put the long end of an Allen wrench into the chuck of a drill and then use the hook end to spin the eye hook out. It’s as easy as that!

Can I put an eye bolt in a tree?

Most arborists agree that the best way to hang your tree swing is to insert a stainless steel eye bolt into the branch. This will ensure that the rope is not rubbing the branch and potentially causing damage to the tree.

How do you put Little Tikes swing on tree?

Simply wrap them around a tree branch (or bar or beam for that matter) and clip the swing to the carabiner hooks. In addition to making installation easy, they are removable and portable, so you can easily hang a swing in several different places.

What is a dynamo eye bolt?

Originally designed for the safe use of lifting dynamo motors vertically only, as they will not accept any side loading. They have a larger eye than normal.

How often should eye bolts be inspected?

It is recommended that eyebolts and single anchor points used for the purpose of Work at Height should be testing once every 12 months and once every 6 months if Class A. If your system has not been compliance tested by a competent person within a 12 month period, they should be tagged strictly DO NOT USE.

What grade bolt is suitable for overhead lifting?

Alloy Chain Grade 80 or Grade 100 should be used for overhead lifting.

How much load can a M12 bolt take?

SizeGrade 8.8Grade 10.9M103,370kg4,810kgM124,890kg7,000kgM169,100kg13,000kgM2014,700kg20,300kg

How much weight will a 3/8 bolt hold?

A 3/8-inch bolt of this type is rated to 7,000 pounds in 6,000 psi concrete (basically granite) and 4,000 pounds in 2,000 psi concrete (hard sandstone). This is roughly the breaking strength range of carabiners and much higher than any rope’s maximum possible impact force.

How much weight can a hook screw hold?

In general, a screw can hold 80-100 pounds. Several factors can impact on the amount of weight the screw can hold.

What drill is best for concrete?

The best drill for concrete today is one of two tools: A hammer drill or a rotary hammer. They both do essentially the same thing but are vastly different tools.

How do you attach something to concrete without drilling?

Cut Nail. Using cut nails is an easy approach for attaching wooden items to concrete without a hammer drill. The cut nail has a square, tapered shape with a tip pa. These are driven through a board into the concrete underneath, much like nailing wood to the wood floor.

Are anchor bolts removable?

When it comes to general fastening applications into concrete most might not know what to use. Unlike chemical anchoring or sleeve anchors, concrete screw anchors can be removed with ease leaving the hole clear of debris – making miscalculations a quick fix. …

Can you hang a hammock from wall studs?

A hammock can be suspended from a wall stud to a ceiling joist, a wall-to-wall mount or from ceiling joist to ceiling joist. Most rope or fabric hammocks will come with hanging guidelines for the size hammock you purchased.

How do you hang a hammock indoors without drilling?

Take the tree or hanging strap, wrap it around the beam or rafter, and then feed one end through the hole in the other end. Once you have done this, you can then use S-hooks or carabiners to attach the hammock. Repeat this step for both sides.

How do you attach an eye hook to a chain?

The secret to keeping it tight is to twist the eye open – use a lever/rod/wrench to move the free end away from the shank (sideways), then slip on the chain, then twist the free end back into place.