Eye Bolts and Eye Nuts
Regular Nut Eye Bolts G-291
A drop-forged steel eye bolt with a threaded shank and a hex nut for secure fastening. Designed for fixed anchoring points in rigging, lifting, and structural support applications. Available in sizes from 1/4 x 2" to 1-1/4 x 20" with a 5:1 safety factor and hot-dipped galvanized finish. The nut locks the shank in place to prevent loosening under load.
- Size
- from 1/4 x 2" to 1-1/4 x 20"
- Material
- Forged Steel Processing: Drop Forged,Quenched and Tempered
- Finish
- Hot Dipped Galvanized
- Packing
- Cartons or Gunny Bags and then on Pallets
- Catalogue Family
- Eye Bolts and Eye Nuts
- Certificates
- EN 10204 3.1 material test certificate on request
CAD files are supplied on request via WhatsApp or email rather than published for open download.
Key Benefits
What Regular Nut Eye Bolts G-291 Gives You
- Drop-forged steel body provides high impact resistance and load-bearing strength
- 5:1 safety factor ensures reliable performance under dynamic and static loads
- Hot-dipped galvanized finish resists corrosion in outdoor and marine environments
- Hex nut with threaded shank allows secure tightening and prevents loosening under vibration
- Standardized dimensions and working load limits simplify selection and installation
- Available in long shank lengths up to 20 inches for deep anchoring in thick materials
- One-piece forged construction eliminates welds and weak points in the load path
Application Scenarios
Where Regular Nut Eye Bolts G-291 Is Used
- Fixed anchor points on crane beams, structural steel, and industrial frames
- Lifting and rigging setups in construction and infrastructure projects
- Marine and offshore mooring systems where corrosion resistance is critical
- Heavy-duty equipment mounting in mining and energy sector installations
- Temporary rigging for crane lifts and load repositioning in confined spaces
- Support systems for overhead conveyors and suspended platforms
- Anchor points for tie-down straps and ratchet systems on transport trailers
Who It Is For
Buyers This Product Is Built For
- Procurement engineers sourcing standardized rigging hardware for large-scale projects
- Construction site managers specifying reliable anchor points for lifting operations
- Marine contractors equipping vessels and offshore platforms with corrosion-resistant fasteners
- Industrial maintenance teams replacing worn or damaged eye bolts in high-load areas
- Rigging contractors needing consistent, traceable hardware with documented safety factors
- Logistics operators installing secure tie-down points on flatbed trailers and containers
Problems It Solves
Problems This Product Removes
- Loose or backing-out bolts in vibrating equipment or dynamic lifting scenarios
- Corrosion failure of uncoated steel bolts in outdoor or marine environments
- Inconsistent load capacity due to non-standardized or poorly manufactured eye bolts
- Need for multiple fastener types when a single reliable anchor bolt would suffice
- Lack of traceability in safety-critical applications where material and load data must be verified
- Difficulty in securing long shank bolts in thick structural members without custom fabrication
Technical Features
Technical Features
- Drop-forged body in heat-treated carbon steel for high strength and durability
- Threaded shank with hex nut for secure, field-adjustable fastening
- 5:1 safety factor applied across all sizes, with minimum breaking load five times the working load
- Hot-dipped galvanized finish for long-term corrosion protection
- Working load limit stamped on the shank for field traceability
- Standardized dimensions A through H per the provided table for consistent fit
- Hex nut and shank combination prevents rotation under load and vibration
Specifications
Regular Nut Eye Bolts G-291 Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Material | Drop forged carbon steel quenched and tempered |
|---|---|
| Finish | Hot-dipped galvanized |
| Safety Factor | 5:1 minimum breaking load to safe working load |
| Shank Diameter Range | 1/4 in to 1-1/4 in |
| Shank Length Range | 2 in to 20 in |
| Nut Type | Hex nut with threaded shank |
| Dimensions | A: 0.25–1.25 in, B: 0.5–2.5 in, C: 1–5 in, D: 0.25–1.25 in, E: 1.5–7 in, F: 2–24 in, G: 3.06–26.69 in, H: 0.56–2.88 in |
| Weight Range | 8.2 lbs to 279.1 lbs per 100 units |
Full size table on request. The catalogue publishes a full dimension and capacity table for this item. Ask on WhatsApp or by email and we will send it as a PDF.
Materials
Materials And Finishes
- Carbon steel forged into shape then quenched and tempered for strength and toughness
- Hot-dipped galvanized coating applied after forging to resist rust and saltwater
- Hex nut made from medium carbon steel with thread precision to match the shank
- No welds or joints in the load path—entirely forged from a single billet
Manufacturing Process
How This Product Is Made
1Raw steel billets cut to size for forging
2Drop forging of the eye and shank in a closed die press
3Quench and temper heat treatment to achieve required hardness and strength
4Machining of the shank threads and nut thread profile
5Galvanizing bath immersion for corrosion protection
6Inspection of thread fit and eye alignment
7Stamping of working load limit and grade on the shank
8Packing in cartons or gunny bags, then palletized for export
Quality Control
Quality Control On Every Batch
- Proof load testing on production batches before release
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm 5:1 safety factor
- Visual inspection for surface defects, cracks, or coating flaws
- Thread fit verification with gauge tools
- Material Test Certificate to EN 10204 3.1 supplied with orders
- Third-party inspection accepted at the Qingdao warehouse before shipment
Customisation
Customisation Options
- Custom tonnage stamping on the shank for traceability
- Private label and OEM marking available on request
- Alternative surface finishes including zinc plating, powder coating, or electrophoretic black
- Custom shank lengths or thread configurations built to a drawing
- Packing configuration adjusted for carton count, pallet pattern, or retail display
Compare
How It Compares With The Alternatives
An honest read on where this pattern wins and where another one would serve you better.
| Alternative | Honest Trade Off |
|---|---|
| Screw pin eye bolt | The nut eye bolt offers a more secure lock under vibration and does not require a cotter pin, but it is heavier and less compact |
| Welded eye bolt | The forged version has no welds and higher impact strength, but welded bolts may be cheaper for low-load applications |
| Threaded rod with nut | The forged eye bolt has a stronger load path and better fatigue resistance, but the rod version allows longer shank lengths without a fixed eye |
| Eye bolt with screw pin and cotter | The nut version eliminates the need for a cotter pin and reduces risk of loss, but the screw pin is easier to install in tight spaces |
Use Guide
How To Use And Inspect Regular Nut Eye Bolts G-291
- Match the stamped working load limit to the actual load, not the equipment rating
- Ensure the nut is fully tightened and the shank is fully engaged in the material
- Inspect the galvanized coating for damage before use—repair if needed
- Avoid side loading the eye; keep the pull aligned with the shank axis
- Retire the bolt if the eye shows deformation, the threads are stripped, or the marking is unreadable
- Use a torque wrench to tighten the nut to the recommended value if specified
- Check the bolt periodically in dynamic or high-vibration environments
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Answers
Regular Nut Eye Bolts G-291 FAQ
What safety factor do these eye bolts have?
A standard 5:1 safety factor, so the minimum breaking load is five times the stated safe working load.
Are the working load limits stamped on the shank?
Yes, the safe working load is stamped on the shank for traceability in the field.
Can you supply Material Test Certificates?
Yes, a Material Test Certificate to EN 10204 3.1 is supplied with each order on request.
What finishes are available?
Standard finish is hot-dipped galvanized. Custom finishes include zinc plating, powder coating, and electrophoretic black.
Can you make custom lengths or thread sizes?
Yes, custom shank lengths and thread configurations can be built to a drawing or specification.
How are they packed for export?
Standard packing is cartons or gunny bags on pallets. We can configure carton count and pallet pattern to suit your warehouse or retail needs.
What sizes are available?
Sizes range from 1/4 x 2″ to 1-1/4 x 20″ in shank diameter and length. The full size table is provided in the product data sheet.
Need A Quote On Regular Nut Eye Bolts G-291
Send the sizes, the finish and the quantity on WhatsApp or by email. You get a priced reply within 24 hours and a straight answer on stock.
We reply within 24 hours on WhatsApp or by email. Send a drawing, a photo or a bill of materials and we will quote it as it stands.