Turnbuckles
Eye To Clevis Turnbuckle US Type Drop Forged HG-227
A drop forged carbon steel or stainless steel eye to clevis turnbuckle with threaded eyelet and clevis ends, designed for precise tension adjustment in rigging, lashing, and lifting systems. The body is forged from heat-treated alloy steel and features a 5:1 safety factor. Available in sizes from 1/4"x4" to 2-3/4"x24", with working load limits from 400 lbs to 34,000 lbs. Suitable for overhead lifting, towing, and structural tensioning in industrial and marine environments.
- 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
- 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 Clevis Turnbuckle Gives You
- Adjusts tension precisely in wire rope, chain, or synthetic sling systems without requiring re-attachment
- 5:1 safety factor ensures minimum breaking load is five times the stated working load limit
- Drop forged body in carbon steel or stainless steel resists deformation under dynamic and static loads
- Hot dipped galvanized finish resists corrosion in outdoor, marine, and high-moisture environments
- Threaded eye and clevis ends allow for full range of length adjustment and secure connection points
- Standardized dimensions and WLL marking enable quick field identification and compliance with rigging standards
- Available in multiple sizes and finishes to suit lifting, lashing, and towing applications across industries
Application Scenarios
Where Clevis Turnbuckle Is Used
- Overhead lifting setups where wire rope or chain tension must be fine-tuned before hoisting
- Marine mooring and anchor line tensioning where environmental exposure demands corrosion resistance
- Towing and recovery operations using winch lines with adjustable length and controlled pull force
- Structural rigging for cranes, temporary platforms, and industrial equipment where alignment is critical
- Lashing systems on flatbed trailers and containers where tension must be maintained during transit
- Cable tensioning in construction and infrastructure projects such as bridge stays or guy wire systems
Who It Is For
Buyers This Product Is Built For
- Rigging contractors specifying adjustable tension hardware for lifting and securing heavy loads
- Marine and offshore operators managing mooring lines and anchor systems requiring corrosion protection
- Transport and logistics companies securing cargo with adjustable lashing systems
- Construction firms installing temporary structures and tensioned cable supports
- Industrial maintenance teams adjusting tension in machinery or conveyor systems
- Distributors carrying a full range of rigging hardware who need a standardised turnbuckle with clear WLL marking
Problems It Solves
Problems This Product Removes
- Inconsistent tension in wire rope or chain systems due to fixed-length fittings
- Corrosion damage on uncoated turnbuckles in marine or outdoor environments
- Need for multiple fittings or re-splicing when adjusting length during rigging setup
- Lack of traceability or WLL marking on turnbuckles leading to unsafe use
- Inability to adjust tension without disconnecting and re-attaching the line
- Buying turnbuckles from multiple suppliers with inconsistent sizing and safety factors
Technical Features
Technical Features
- Drop forged carbon steel or stainless steel body with heat treatment for strength and durability
- Threaded eyelet and clevis ends for secure connection to hooks, eyes, or other rigging components
- 5:1 safety factor with minimum breaking load five times the working load limit
- Hot dipped galvanized surface finish to resist rust and wear in harsh environments
- Working load limit and material grade stamped on the body for field traceability
- Standardized dimensions across sizes to match common rigging hardware and drawings
- Available in sizes from 1/4”×4” to 2-3/4”×24” with WLL from 400 lbs to 34,000 lbs
Specifications
Clevis Turnbuckle 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 |
| Size Range | 1/4”×4” to 2-3/4”×24” |
| WLL Marking | Stamped on body for traceability |
| Proof Load Testing | Tested at the published multiple of the working load limit |
| Breaking Strength | Validated at the published multiple of the working load limit |
| Standards | EN 1492-1 and EN 1492-2, ASME B30.26, DIN 741, DIN 1480 |
| 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
- Drop forged carbon steel body with quench and temper heat treatment for impact resistance
- Stainless steel option available for marine and high-corrosion environments
- Hot dipped galvanized coating applied after forging to resist rust and abrasion
- Threaded components made from hardened steel to resist wear during repeated adjustment
- Surface finish meets DIN 582 and DIN 580 standards for galvanization quality
Manufacturing Process
How This Product Is Made
1Drop forging of the body, eyelet, and clevis blanks
2Heat treatment of the forged blanks to achieve required strength and ductility
3Machining of threads and bearing surfaces to precise tolerances
4Galvanization of the finished parts in a hot dipped zinc bath
5Final inspection of thread engagement and free rotation of the body
6Stamping of working load limit and material grade on the body
7Proof load testing before packing
Quality Control
Quality Control On Every Batch
- Proof load test 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 and tactile inspection of galvanization for uniformity and coating thickness
- 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 material grade stamped on the body
- Proof load testing documented and traceable per batch
Customisation
Customisation Options
- Custom tonnage stamping on the body for brand-specific or project-specific marking
- Private label and OEM marking available for gear brands and distributors
- Finish options including zinc plating, powder coating, and electrophoretic black
- Custom sizes and thread configurations built to a supplied drawing
- Packing configured in cartons, gunny bags, or pallets to match warehouse or retail needs
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 |
|---|---|
| Rigid eye-to-eye shackle | The turnbuckle allows length adjustment and tension control, while a rigid shackle does not; however, the turnbuckle adds complexity and requires periodic inspection for thread wear |
| Adjustable chain link | The turnbuckle offers higher strength and better load distribution than a chain link, but chain links are more flexible in tight spaces and allow for quick connection |
| Screw pin shackle | The turnbuckle provides continuous tension adjustment without needing to loosen or retighten a pin, but the screw pin shackle is simpler and faster to install in static applications |
| Fixed-length lashing strap | The turnbuckle allows precise tensioning and re-tensioning during transit, while a fixed strap cannot adjust once tightened |
Use Guide
How To Use And Inspect Clevis Turnbuckle
- Match the stamped working load limit to the calculated load, not the equipment rating
- Ensure the turnbuckle is fully engaged on both ends before applying load
- Use a wrench to adjust tension evenly on both ends to prevent side loading
- Inspect threads and galvanization for wear or damage before each use
- 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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Guides Worth Reading Before You Order
Answers
Clevis Turnbuckle 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 performed at the published multiple of the working load limit.
Can I use this turnbuckle in marine environments?
Yes. The hot dipped galvanized finish resists corrosion in marine and outdoor environments. Stainless steel versions are also available for high-salt exposure.
What certificates come with the order?
A Material Test Certificate to EN 10204 3.1 is supplied with every order. Proof load and breaking strength validation are documented per batch.
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 suit your warehouse or retail pack. Goods can be stored free in Qingdao for up to two months.
What sizes are available?
Sizes range from 1/4”×4” to 2-3/4”×24” with working load limits from 400 lbs to 34,000 lbs. The full size table includes dimensions, weight, and WLL for each configuration.
Is the working load limit stamped on the body?
Yes. The working load limit and material grade are permanently stamped on the body for traceability and field verification.
Need A Quote On Clevis Turnbuckle
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.