The Green Pin G-4163 Dee Shackle (Safety Bolt & Nut) is a premium dee shackle with safety bolt and nut closure for applications where vibration or dynamic loading could loosen a screw pin. The cotter-pinned safety bolt provides maximum security for permanent and semi-permanent rigging.
Key Features
- Safety bolt and nut with cotter pin — maximum vibration resistance
- Dee shape for inline load alignment
- Forged alloy steel, quenched and tempered
- Hot-dip galvanized for corrosion resistance
- Individually proof tested at 2x WLL with certificate
- EN 13889 Type B compliant
Common Applications
- Permanent rigging installations
- Offshore and marine connections subject to vibration
- Heavy industrial crane rigging
- Critical load path connections
Why Green Pin?
The G-4163 safety bolt dee shackle is the most secure inline shackle connection available. Every unit is individually proof tested by Van Beest with complete material traceability.
Safety & Standards
Every product we carry is individually marked with Working Load Limit (WLL), manufacturer traceability code, and country of origin. Inspection and mill certificates are available on request — email sales@slingcenter.com with your order number.
Governing Standards
- ASME B30.9 — slings (web, round, wire rope, chain) inspection and use
- ASME B30.26 — rigging hardware (shackles, eye bolts, links, turnbuckles)
- ASME B30.10 — hooks
- OSHA 1910.184 and 1926.251 — general industry and construction sling safety
- WSTDA WS-2 and RS-1 — web and round sling design
- 49 CFR 393.102 to 393.130 — DOT cargo tie-down
- NACM — welded steel chain grade specs
Inspection & Safety
Before every use: visual check for cracks, corrosion, distortion, wear, and illegible markings. Annually (minimum): documented periodic inspection by a trained inspector. Remove from service at first sign of damage. Never repair rigging hardware by welding, heating, or bending.
WARNING: Improper use of rigging can cause death or serious injury. Never exceed the rated Working Load Limit. Apply derating for side-loading, elevated temperature, or chemical exposure. Final application decisions must be made by a Qualified Person per OSHA 1926.32(m).
Specifications — Full Dimensions by Size
| Size (in)(mm) | WLL (t)(t) | Weight (lb)(kg) | a (in)(mm) | b (in)(mm) | c (in)(mm) | d (in)(mm) | e (in)(mm) | f (in)(mm) | g (in)(mm) | h (in)(mm) | i (in)(mm) | j (in)(mm) | k (in)(mm) | l (in)(mm) | m (in)(mm) | Stock # |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 120 | 243110 | 3 3/495 | 3 3/495 | 8 1/32204 | 3 3/495 | 5 25/32147 | 15 3/4400 | 9 3/8238 | 25 11/32644 | 17 27/32453 | 16 27/32428 | 1 31/3250 | M12M12 | 5 29/32150 | ||
| 150 | 342155 | 4 1/8105 | 4 1/4108 | 9 1/4235 | 4 1/8105 | 6 21/32169 | 16 5/32410 | 10 13/16275 | 27686 | 19 17/32496 | 19 3/32485 | 1 31/3250 | M12M12 | 6 5/16160 |
Dimensions and ratings sourced directly from manufacturer catalog pages. SlingCenter does not derive or restate ratings.
Chat with our AI rigging specialist
Fastest: click the Ask SlingCenter chat widget in the bottom-right of any page. Our AI specialist is available 24/7 and trained on ASME B30.9, B30.26, OSHA rigging standards, and our full catalog. It can help you size a sling, pick the right shackle, explain inspection criteria, and look up your order.
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Send to: sales@slingcenter.com
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- What you are lifting (shape, material, fragility)
- Load weight (lb)
- Length / reach needed
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