Chain & fittings
Alloy chain slings
Grade 80 and Grade 100, single through quad leg, made to your reach in our own shop. Configure it and get the sling code and rated capacity.
Build your sling
Grade, size, legs, fittings, reach
Every chain sling we ship is made to order, tagged, and proof tested. Manufactured in accordance with ASME B30.9.
What goes into it
The components we build with
The configurator stays brand-neutral because the rating comes from the assembly, not the badge. But since people ask: this is what's actually in most of the slings leaving our shop.
AMH
Drak master links and sub-assemblies
The master rings on most slings we build
AMH
Grey Classic Grade 100 coupling links
Hammer locks — how we connect most sling legs
AMH
Cartec Grade 100 alloy fittings
Sling hooks, grab hooks, and connectors
AMH
Cartec Grade 80 fittings
AMH
Grade 100 alloy sling chain
We also build with Crosby, CM, and Gunnebo components, and we’ll match an existing sling’s hardware if you’re replacing one leg of a set. Tell us what you already have and we’ll keep it consistent.
Reading the code
The sling code describes the assembly
QOSA
- Q
- Quadruple legS single · D double · T triple · Q quad
- O
- Oblong master link on topWhat meets the crane hook
- S
- Sling hooks on the leg endsS sling · G grab · F foundry · L self-latching
- A
- AdjustableGrab hooks so legs can be shortened on the job
Grades
Which grade, and why
Grade 100
About 25% more capacity than Grade 80 in the same chain size. Lighter sling for the same job, which matters when riggers handle it all shift.
Grade 80
The long-standing standard. Widest size range, from 7/32 inch up to 1-1/4 inch, and what most existing rigging lockers already hold.
Components we fit
- Oblong master link
- Alloy coupling link
- Eye sling hook with latch
- Clevis sling hook with latch
- Eye cradle grab hook
- Clevis cradle grab hook
- Eye self-latching hook
- Clevis self-latching hook
- Swivel self-latching hook
- Alloy steel foundry hook
- Plate lifting hook
- Container lifting lugs
Capacity
Rated capacities, published
Working load limits in pounds, to ASME B30.9. Single leg figures are vertical. Multi-leg figures are quoted at the sling angle measured from horizontal — and a quad is rated the same as a triple.
| Grade | Size | Single 90° | Double 60° | Double 45° | Double 30° | Triple/quad 60° | Triple/quad 45° | Triple/quad 30° |
|---|---|---|---|---|---|---|---|---|
| 100 | 7/32″ | 2,700 | 4,700 | 3,800 | 2,700 | 7,000 | 5,700 | 4,000 |
| 100 | 9/32″ | 4,300 | 7,400 | 6,100 | 4,300 | 11,200 | 9,100 | 6,400 |
| 100 | 5/16″ | 5,700 | 9,900 | 8,100 | 5,700 | 14,800 | 12,100 | 8,500 |
| 100 | 3/8″ | 8,800 | 15,200 | 12,400 | 8,800 | 22,900 | 18,700 | 13,200 |
| 100 | 1/2″ | 15,000 | 26,000 | 21,200 | 15,000 | 39,000 | 31,800 | 22,500 |
| 100 | 5/8″ | 22,600 | 39,100 | 32,000 | 22,600 | 58,700 | 47,900 | 33,900 |
| 100 | 3/4″ | 35,300 | 61,100 | 49,900 | 35,300 | 91,700 | 74,900 | 53,000 |
| 80 | 7/32″ | 2,100 | 3,600 | 3,000 | 2,100 | 5,500 | 4,400 | 3,200 |
| 80 | 9/32″ | 3,500 | 6,100 | 4,900 | 3,500 | 9,100 | 7,400 | 5,200 |
| 80 | 3/8″ | 7,100 | 12,300 | 10,000 | 7,100 | 18,400 | 15,100 | 10,600 |
| 80 | 1/2″ | 12,000 | 20,800 | 17,000 | 12,000 | 31,200 | 25,500 | 18,000 |
| 80 | 5/8″ | 18,100 | 31,300 | 25,600 | 18,100 | 47,000 | 38,400 | 27,100 |
| 80 | 3/4″ | 28,300 | 49,000 | 40,000 | 28,300 | 73,500 | 60,000 | 42,400 |
| 80 | 7/8″ | 34,200 | 59,200 | 48,400 | 34,200 | 88,900 | 72,500 | 51,300 |
| 80 | 1″ | 47,700 | 82,600 | 67,400 | 47,700 | 123,900 | 101,200 | 71,500 |
| 80 | 1-1/4″ | 72,300 | 125,200 | 102,200 | 72,300 | 187,800 | 153,400 | 108,400 |
Before you rig
Chain is repairable — which is why it stays in service too long
A chain sling takes more abuse than any other sling, and unlike web it rarely looks finished. OSHA 1910.184 and ASME B30.9 require documented inspection by a competent person.
- Remove from service on any nick, gouge, stretch, or bent link
- No tag, no lift — a sling without a legible tag is out of service
- Never shorten a leg by knotting or twisting it; use a grab hook
- Four legs rarely share load evenly, which is why a quad is rated as a triple
- Measure the actual sling angle rather than estimating it
- We repair, re-rate, and re-tag damaged assemblies rather than scrapping them
The rest of the range
Other lifting slings
Need something the configurator won't build?
Welded slings, mechanically coupled assemblies, plate hooks, container lugs, custom reaches — we build all of it. Tell us the lift.