⛓️ Slings, Rigging & Wire Rope
Lifting Hook Inspection & Certification in Saudi Arabia
A lifting hook is the load-bearing hook, in eye, clevis, swivel or shank form, fitted to slings, chain assemblies and hoist or crane blocks, usually with a safety latch to retain the load. Failure usually follows overload, wear in the saddle, opening of the throat or cracking, and in refineries, ports and heavy industry in Saudi Arabia hooks see constant hard use. A third-party examiner measures the throat opening and twist, checks the latch and any swivel bearing, and confirms the marked capacity.
What we inspect on a lifting hook
- ✓Throat opening measured against the original dimension or manufacturer reference to identify spreading from overload
- ✓Twist out of the plane of the hook and bending of the shank
- ✓Wear in the saddle (bearing point) and at the tip compared with the allowable section
- ✓Safety latch for correct operation, spring tension, distortion and engagement with the hook tip
- ✓Cracks, gouges and corrosion, using magnetic particle inspection where cracking is suspected
- ✓Swivel or bearing for free rotation, play and lubrication on swivel hooks
- ✓Shank threads, retaining nut and locking arrangement on shank-type hooks
- ✓Rated capacity and manufacturer marking, and that the hook matches the sling or block it serves
Common defects we find
- ✓Throat opened out beyond the allowable limit after overload
- ✓Saddle wear that reduces the hook section
- ✓Latch missing, bent or no longer closing against the tip
- ✓Cracks near the shank, saddle or hook root
- ✓Seized swivel bearing or damaged shank threads
Risks of operating uncertified
- ✓A hook that has spread or cracked can release or break under load.
- ✓A missing or defective latch allows a sling eye to slip off the hook during travel or when the sling goes slack.
- ✓Hooks that have been welded, heated or modified can fail unpredictably.
Testing, standards & frequency
Load / performance test
Proof load testing of new, repaired or suspect hooks is typically carried out at up to twice the working load limit depending on the standard and client, followed by re-measuring the throat opening and checking for cracks or permanent set; hooks fitted to cranes are normally proven during the crane's own rated load test.
Inspection interval
Typically examined at least annually, with a visual check before use, and more often where the hook is on a crane or in heavy-duty service or where client rules require it.
Standards referenced
- ASME B30.10 (Hooks)
- ASME B30.9 (Slings)
- EN 1677-2 (Components for slings - Forged steel lifting hooks with latch, Grade 8)
- Manufacturer specifications and load charts
Part of our Lifting Equipment Inspection & Load Testing service. You receive an inspection report, Certificate of Conformity and inspection tag for passing equipment.
Industries using this equipment
Related equipment
FAQs
How much can a hook's throat opening increase before it is rejected?＋
The limit depends on the standard and the hook size, so the examiner compares the opening with the original or the manufacturer's dimension. A small change may be within tolerance, but a spread beyond the allowed limit, or any twist out of plane, means the hook is rejected.
Can a lifting hook be used without a safety latch?＋
Normally not, because the latch stops the sling eye or load from slipping off the hook. A few special-purpose hooks are designed without latches, but only where the manufacturer and the lift plan allow it.