Turnbuckles
Eye to Eye Turnbuckle US Type Drop Forged HG-226
A drop-forged eye to eye turnbuckle in US type configuration, designed for adjusting tension in cables, ropes, or rigging lines across industrial and structural applications. The body is forged from high-quality carbon steel or stainless steel with threaded ends and closed-loop eyes for secure attachment. Available in sizes from 1/4"x4" to 2-3/4"x24", it supports working load limits from 400 lbs to 34,000 lbs with a 5:1 safety factor. Surface finish is hot-dipped galvanized for corrosion resistance. Standard US typ
- Size
- From 1/4"x4" to 2-3/4x24
- Material
- Carbon Steel/Stainless Steel Surface: Hot Dipped Galvanized W.L.L: From 400 lbs Tons to 34000 lbs
- Standard
- US Type
- Packing
- Cartons or Gunny Bags and then on Pallets
- Catalogue Family
- Turnbuckles
- 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 US Type Drop Forged Turnbuckle Eye Gives You
- Adjusts cable length and tension precisely in overhead lifting and structural support systems
- Drop-forged construction provides high strength and impact resistance under dynamic loads
- Hot-dipped galvanized finish resists rust and degradation in outdoor and marine environments
- Closed-loop eyes allow secure connection to pins, bolts, or other rigging hardware
- 5:1 safety factor ensures reliable performance under full working load
- Standard US type threading and dimensions allow direct interchangeability with common rigging components
- Available in a wide range of sizes and capacities to suit light to heavy-duty applications
Application Scenarios
Where US Type Drop Forged Turnbuckle Eye Is Used
- Overhead crane rigging where cable length needs periodic adjustment during load positioning
- Structural bracing and guy wire systems in construction and industrial buildings
- Marine mooring and dockside lashing where corrosion resistance is critical
- Towing and recovery setups requiring tension control on winch lines or tow cables
- Temporary rigging for stage and event structures needing quick setup and tensioning
- Industrial plant maintenance where equipment is suspended and aligned using adjustable cables
Who It Is For
Buyers This Product Is Built For
- Rigging contractors sourcing adjustable tensioning hardware for crane and lifting operations
- Construction firms installing structural bracing and temporary supports
- Marine and offshore operators managing mooring and anchoring systems
- Logistics and transport companies securing cargo with adjustable lashing systems
- Event and stage production teams using tensioned cable systems for rigging platforms
- Manufacturers of industrial equipment requiring adjustable mounting or alignment features
Problems It Solves
Problems This Product Removes
- Cable slack developing during load shifts or temperature changes in fixed-length systems
- Inconsistent tension in guy wires or support cables leading to structural instability
- Corrosion damage on uncoated steel turnbuckles in humid or saltwater environments
- Difficulty in connecting standard turnbuckles to existing rigging hardware due to mismatched threads or eye shapes
- Need for multiple parts to adjust length and secure connection in a single rigging point
- Lack of traceability and safety verification on turnbuckles used in critical lifting applications
Technical Features
Technical Features
- Drop-forged body in carbon steel or stainless steel for high strength and durability
- Threaded ends with closed-loop eyes on both sides for secure attachment
- US type standard with consistent thread pattern and dimensional layout
- 5:1 safety factor with proof load testing and breaking strength validation
- Hot-dipped galvanized surface finish to resist rust and environmental wear
- Working load limit and material grade stamped on the body for field traceability
- Available in sizes from 1/4”×4” to 2-3/4”×24” with documented weight and WLL per size
Specifications
US Type Drop Forged Turnbuckle Eye Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 400 lbs to 34,000 lbs working load limit |
|---|---|
| Material | Carbon steel or stainless steel |
| Surface Finish | Hot-dipped galvanized |
| Design Factor | 5:1 minimum breaking load to safe working load |
| Thread Standard | US type |
| Eye Type | Closed loop (eye to eye) |
| Size Range | 1/4”×4” to 2-3/4”×24” |
| Weight Range | 0.30 lbs to 248.00 lbs per unit |
| Proof Load | the published multiple of the working load limit |
| Breaking Load | the published multiple of the working load limit |
| Certificates | Material Test Certificate to EN 10204 3.1 supplied with orders |
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
- High-quality carbon steel for drop forging with heat treatment for strength
- Stainless steel option available for high-corrosion environments
- Hot-dipped galvanizing layer applied after forging for long-term rust resistance
- Threaded rods machined to precise pitch and diameter for consistent engagement
- Closed-loop eyes formed during forging to maintain structural integrity
Manufacturing Process
How This Product Is Made
1Drop forging of the body and threaded end blanks
2Heat treatment to enhance strength and toughness
3Machining of threads and eye openings to dimensional tolerance
4Hot-dip galvanizing for corrosion protection
5Proof load testing and breaking strength validation on production batches
6Stamping of working load limit and material grade on the body
7Inspection, packing, and storage before shipment
Quality Control
Quality Control On Every Batch
- Proof load test conducted on each production batch at the published multiple of the working load limit
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm 5:1 design factor
- Visual inspection for surface defects, thread integrity, and galvanizing coverage
- Material Test Certificate to EN 10204 3.1 issued with every order
- Third-party inspection accepted at the Qingdao warehouse before shipment
Documentation
Certification And Documentation Supplied
- Material Test Certificate to EN 10204 3.1 supplied with orders
- Working load limit and traceability marking stamped on the body
Customisation
Customisation Options
- Custom tonnage stamping on the body for specific project requirements
- Private label and OEM marking available for brand-specific packaging
- Surface finish options including zinc plating, powder coating, or electrophoretic black
- Custom sizes and thread configurations built to a supplied drawing
- Packing configuration tailored to carton count, pallet pattern, or retail pack
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 shackle | The turnbuckle provides continuous tension adjustment and is more stable under sustained load, while a screw pin shackle is faster to install but less precise for fine tuning |
| Ratchet tensioner | The turnbuckle offers higher load capacity and is more durable for long-term use, while a ratchet is quicker for temporary setups but limited in maximum tension |
| Standard turnbuckle with plain finish | The hot-dipped galvanized version resists corrosion in harsh environments, while the plain finish is suitable only for dry indoor use |
| Adjustable link chain | The turnbuckle allows finer tension control and is more compact, while a chain link is more flexible but bulkier and harder to align |
Use Guide
How To Use And Inspect US Type Drop Forged Turnbuckle Eye
- Verify the stamped working load limit matches the calculated load before use
- Ensure both eyes are properly aligned and secured with pins or bolts before applying tension
- Use a wrench to rotate the body evenly to avoid side loading or thread damage
- Inspect the galvanized coating for damage after installation; repair if needed
- Do not exceed the maximum take-up length specified for each size
- Retire the turnbuckle if the body shows deformation, threads are stripped, or the marking is illegible
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Answers
US Type Drop Forged Turnbuckle Eye FAQ
What is the safety factor on these turnbuckles?
A 5:1 safety factor is standard, meaning the minimum breaking load is five times the stated working load limit. Proof load testing is conducted at the published multiple of the working load limit.
Can I use this turnbuckle in marine environments?
Yes. The hot-dipped galvanized finish provides resistance to saltwater and humidity. For extended exposure, stainless steel is recommended.
Are the working load limits stamped on the body?
Yes. The safe working load limit and material grade are permanently stamped on the body for traceability in the field.
What certificates come with the order?
A Material Test Certificate to EN 10204 3.1 is supplied with every order. All batches undergo proof load testing and dimensional checks.
Can you custom stamp our brand and tonnage?
Yes. Custom tonnage stamping, private label marking, and OEM packaging are standard options. Finishes can be zinc plated, powder coated, or electrophoretic black.
How are they packed for export?
Standard packing is cartons on pallets. We can configure carton count and pallet pattern to match your warehouse or retail requirements. Free storage in Qingdao for up to two months is available.
What sizes and capacities are available?
Sizes range from 1/4”×4” to 2-3/4”×24”. Working load limits range from 400 lbs to 34,000 lbs. The full size table includes weight, WLL, and dimensions for each capacity.
Need A Quote On US Type Drop Forged Turnbuckle Eye
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.