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QINGDAO LG RIGGING CO.,LTD.
QINGDAO LG RIGGING CO.,LTD.
Resources
FAQs About LG RIGGING®
Document Download
Blog
Products
Trawling Gear
Fishing Net Float & Buoy
Trawling Swivel
Trawling Shackle
Grade80 / Grade100
Rope Thimbles
Tools
Hooks / Links / Rope Fittings
Trawling Chain
Synthetic Rope
Lifting Sling
Trawl Block
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Anchors & Fittings
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Lifting & Rigging
G100 Products
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Turnbuckles
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Quick Links
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Wire Rope
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Lifting Sling of Lifting & Rigging
Lever Hoist
Pulley & Blocks
Lifting & Rigging Pins
Forestry Logging Supplies
Eye Plate
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Shade Sail Hardware
Stainless Shackles
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A-Cable Suspension Bolt-China LG Manufacture
Adjusting Plate for Power Line-China LG Manufacture
Angle Eye Bolt Pole Line Hardware-China LG Supply
Cable Span Clamps Pole Line Hardware-China LG Manufacture
Carriage Bolts For Overhead Line Construction-China LG Supply
Crossover Clamp-China LG Manufacture
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Electric Power Eye Shaft Screw Anchor-China LG Supply
Electric Power Socket Clevis WSY-China LG Manufacture
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Electric Power Thimble Eye Nut-China LG Manufacture
Electric Power U Ball Clevis-China LG Manufacture
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Forged Eye Bolt For Anchor Assemble-China LG Supply
Forged Oval Eye Nut for Pole Line Fitting-China LG Supply
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Forged Steel Galvanized Joint Hung Plate-LG RIGGING®
Galvanized Insulator Clevis D Iron Bracket-China LG Supply
Galvanized Steel Ball Eye Pole Line Hardware-China LG Supply
Galvanized Thimble Eye Anchor Rod-China LG Supply
Guy Clamp for Pole Line Hardware-China LG Manufacture
High Strength Carbon Steel Galvanized U-Bolts-LG RIGGING®
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Hot Dip Galvanized Steel Yoke Plate-China LG Supply
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MF Curved Locknut Square Type-China LG Manufacture
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Spring Clip Washer Pole Line Fastener-China LG Supply
Square Curved Washer Pole Line Hardware-LG RIGGING®
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Steel PT Type Adjustment Plate-China LG Manufacture
Steel Round Pole Band Pole Clamp for Electric Power-LG RIGGING®
Straight Thimble Eye Bolt Pole Line Hardware-LG RIGGING®
Suspension Clamp for Overhead Line-China LG Supply
Tension Clamp for Aluminium Conductor-LG RIGGING®
Tower Pole Step Bolt with Nut-China LG Manufacture
Transformer Bracket Steel Single-Band Component-LG RIGGING®
Triple Eye Anchor Pole Line Hardware-China LG Supply
U Shape Anchor Shackle Pole Line Hardware-LG RIGGING®
U Type Yoke Plate for Line Fitting-China LG Manufacture

How to Select Eye Bolts and Use Eye Bolts Safely?

Lifting eyes, also commonly known as eye bolts, have widespread use in industrial plants. They are commonly used on dies, cabinets, compressors, heat exchangers, motors, molds, and other equipment to facilitate their movement, either when being installed or moved to a different plant location.

In a world increasingly conscious of product litigation, it is critically important to understand the proper selection and use of lifting eyes. It obviously pays the plant engineer to be aware of the risks when an undersized lifting eye is used; the correct size is abused, altered, or improperly loaded; or a bent wire eye is substituted for a forged one. If recommended guidelines are not followed, the failure of a lifting eye can result in loss of property, personal injury, or even death in extreme cases.


How to Select Eye Bolts and Use Eye Bolts Safely


How should you select the right bolt?

  • Eye bolts are marked with their thread size NOT with their rated capacities. Make sure you select the correct eyebolt based on its type and capacity for the lift you are conducting.

  • Use plain or regular eye bolts (non-shoulder) or ring bolts for vertical loading only. Angle loading on non-shoulder bolts will bend or break them.

  • Use shoulder eye bolts for vertical or angle loading. Be aware that lifting eye bolt and nut at an angle reduces the safe load.

  • Follow the manufacturer’s recommended method for angle loading.


How to Select Eye Bolts and Use Eye Bolts Safely


Incorrect use of shoulder bolt


How to Select Eye Bolts and Use Eye Bolts Safely


Shoulder eye bolt with load correctly applied


How to Select Eye Bolts and Use Eye Bolts Safely


Incorrect way of applying angle load


How should you use eye bolts safely?

  • Orient the eye bolt in line with the slings. If the load is applied sideways, the eye bolt may bend.

  • Pack washers between the shoulder and the load surface to ensure that the eye bolt firmly contacts the surface. Ensure that the nut is properly torqued.

  • Engage at least 90% of threads in a receiving hole when using shims or washers.

  • Attach only one sling leg to each eye bolt.


How to Select Eye Bolts and Use Eye Bolts Safely



  • Inspect and clean the eye bolt threads and the hole.

  • Screw the eye bolt on all the way down and properly seat.

  • Ensure the tapped hole for a screw eye bolt (body bolt) has a minimum depth of one-and-a-half times the bolt diameter.

  • Install the shoulder at right angles to the axis of the hole. The shoulder should be in full contact with the surface of the object being lifted.

  • Use a spreader bar with regular (non-shoulder) eye bolts to keep the lift angle at 90° to the horizontal.

  • Use eye bolts at a horizontal angle greater than 45°. Sling strength at 45° is 71% of vertical sling capacity. Eye bolt strength at a 45° horizontal angle drops down to 30% of vertical lifting capacity.

  • Use a swivel hoist ring for angled lifts. The swivel hoist ring will adjust to any sling angle by rotating around the bolt and the hoisting eye pivots 180°.


What should you avoid when using eye bolts?


  • Do not run a sling through a pair of eye bolts: this will reduce the effective angle of lift and will put more strain on the rigging.

  • Do not force the slings through eye bolts. This force may alter the load and the angle of loading.

  • Do not use eye bolts that have been ground, machined or stamped.

  • Do not use bars, grips or wrenches to tighten eye bolts.

  • Do not paint an eye bolt. The paint could cover up flaws.

  • Do not force hooks or other fittings into the eye; they must fit freely.

  • Do not shock load eye bolts.

  • Do not use a single eye bolt to lift a load that is free to rotate.

  • Do not use eye bolts that have worn threads or other flaws.

  • Do not insert the point of a hook in an eye bolt. Use a shackle.


How to Select Eye Bolts and Use Eye Bolts Safely


China LG Supply, a professional rigging hardware manufacturer, can provide you rated eye bolts from 0.5-tonne working load limit, up to 11.5 ton WLL. China LG Supply also supplies a wide range of commercial eye bolts and screw eyes.

See our range here: eye bolts. And also available in stainless steel.


How to Select Eye Bolts and Use Eye Bolts Safely


If you need help determining the right assembly or size for your application, e-mail our specialists at sales@lg-lifting.com for assistance.

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