Posted by Advantage Rigging on 30th Oct 2026
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What is a screw pin shackle?
A screw pin shackle is a U-shaped (bow) steel connector closed by a pin that screws into one ear. It joins slings, hooks, chain, wire rope and lifting points, and the pin
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Posted by Advantage Rigging on 30th Oct 2026
Eye Bolts vs Eye Nuts: Which One Do You Need?
Eye bolt or eye nut: what's the difference?
Both give a load a lifting eye, but they attach in opposite ways. An eye bolt has a threaded shank that screws into a tapped hole in the load. An eye nut ha
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Posted by Advantage Rigging on 30th Oct 2026
4-Leg Chain Slings: How They Work, Capacity and How to Choose
What is a 4-leg chain sling?
A 4-leg (quad leg) chain sling has four legs of alloy chain hanging from one master link assembly, with a hook or other fitting on the end of each leg. It is the sling to
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Posted by Advantage Rigging on 28th Oct 2026
Chain Sling Angles Explained: Why the Same Chain Can Have Different Lifting Capacities
Same chain. Same load. Different angle.
So why does your lifting capacity change?
You can have a chain sling that's properly rated for a lift at 60°, but spread those legs out to 30°, and that
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Posted by Advantage Rigging on 13th Mar 2026
Sling Inspection and Maintenance: How to Prevent Sling Failure on the Jobsite Advantage Rigging
Picture a crew lining up a routine lift during a shutdown. The load is ready, the crane is positioned, and someone grabs a sling from the gang box. It looks fine at a glance. No obvious cuts, no broke
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Posted by Advantage Rigging on 23rd Feb 2026
Understanding Sling Inspection and Replacement Criteria | Advantage Rigging Gilbert, AZ
On many job sites, slings don’t get much attention until something looks obviously wrong.
A frayed edge. A little rust. A tag that’s hard to read.
Someone says, “It’s still go
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