D-Rings
Forged Container Lashing D Ring Weldable Heavy Duty D Points with Clamp
A forged steel D ring designed for permanent attachment to decks, hatch covers, or steel structures in heavy-duty transport, marine, and industrial applications. It provides a reliable, high-strength anchor point for lashing straps, chains, and ropes. Available in sizes from 20T to 67T WLL, it is weldable and built to withstand repeated loading in harsh environments. Dimensions and weight are provided for each capacity, and it is supplied with a clamp for secure mounting.
- Size
- From 20T to 67T
- Working Load Limit
- From 5T to 16.75T
- Material
- Carbon / Alloy Steel Processing: Forged
- Finish
- Self-colored, Painted, Gavanized
- Packing
- Cartons + Pallets
- Catalogue Family
- D-Rings
- 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 Container Lashing D Ring Supplier China Gives You
- Weldable design allows permanent integration into steel decks or structures without additional bolt holes
- Forged carbon or alloy steel construction ensures high strength and resistance to deformation under load
- Self-colored, painted, or galvanized finish resists corrosion in marine and outdoor environments
- Clamp attachment provides a secure, vibration-resistant connection during transport and handling
- Wide range of capacities from 20T to 67T WLL covers most heavy-duty lashing needs in shipping and logistics
- Standard 4:1 design factor ensures minimum breaking load is four times the stated working load
- Compact profile fits into tight spaces on trailers, containers, and equipment decks
Application Scenarios
Where Container Lashing D Ring Supplier China Is Used
- Securing heavy machinery on flatbed trailers during long-haul transport where vibration and dynamic loads are present
- Mounting on ship deck structures or hatch covers for container lashing and offshore platform tie-downs
- Attaching to steel frames of construction equipment for on-site load securing during movement
- Integrating into industrial storage racks or handling platforms where cargo must be restrained during forklift operations
- Installing on agricultural trailers and transport vehicles to secure heavy tools and harvest equipment
Who It Is For
Buyers This Product Is Built For
- Truck and trailer manufacturers building heavy-duty transport vehicles with integrated lashing points
- Marine and offshore contractors installing permanent lashing hardware on vessels and platforms
- Industrial equipment builders needing durable anchor points on cranes, excavators, and loaders
- Logistics operators specifying welded D rings for containerized cargo and intermodal transport
- Construction firms integrating lashing points into temporary structures and heavy equipment frames
Problems It Solves
Problems This Product Removes
- Need for a permanent, high-strength anchor point that cannot be lost or loosened during transport
- Risk of bolt hole fatigue or thread stripping when using bolt-on fittings under repeated dynamic loads
- Corrosion damage in marine or outdoor environments due to untreated steel surfaces
- Inconsistent load distribution when using multiple small lashing points instead of a single robust D ring
- Lack of traceability and certification for lashing hardware used in safety-critical applications
- Buying lashing hardware and mounting components from separate suppliers, increasing lead time and complexity
Technical Features
Technical Features
- Drop forged carbon or alloy steel body for high impact resistance and fatigue strength
- Weldable design with integrated clamp for secure attachment to steel structures
- Standard 4:1 design factor with minimum breaking load four times the safe working load
- Working load limit stamped on the body for traceability and field verification
- Dimensions provided for L, L1, L2, H1, H2, H, B, W, A at each capacity level
- Available in self-colored, painted, or galvanized finish to suit environmental exposure
- Clamp and mounting system designed to resist loosening under vibration and dynamic loading
Specifications
Container Lashing D Ring Supplier China Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 20T to 67T WLL |
|---|---|
| Material | Carbon or alloy steel |
| Processing | Forged |
| Finish | Self-colored, painted, or galvanized |
| WLL 20T Dimensions | L 90 L1 120 L2 170 H1 70 H2 102 H 30 B 10 W 42 A 16 mm weight 5 kg |
| WLL 36T Dimensions | L 120 L1 136 L2 212 H1 80 H2 122 H 35 B 10 W 42 A 21 mm weight 9 kg |
| WLL 41T Dimensions | L 125 L1 144 L2 225 H1 88 H2 138 H 43 B 12 W 62 A 25 mm weight 10.5 kg |
| WLL 50T Dimensions | L 130 L1 151 L2 241 H1 90 H2 144 H 48 B 14 W 65 A 27 mm weight 12.5 kg |
| WLL 67T Dimensions | L 130 L1 152 L2 236 H1 90 H2 144 H 48 B 14 W 70 A 31 mm weight 16.75 kg |
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
- Forged carbon or alloy steel for high tensile strength and impact resistance
- Galvanized finish for corrosion protection in marine and outdoor environments
- Painted finish for moderate exposure and visual identification
- Self-colored steel for raw, untreated use in controlled indoor environments
- Clamp made from matched steel to ensure load transfer integrity
Manufacturing Process
How This Product Is Made
1Forging of steel blanks to shape the D ring body and clamp
2Heat treatment to improve strength and fatigue resistance
3Machining of mounting holes and clamp surfaces to tolerance
4Assembly of clamp and attachment system
5Surface treatment by painting, galvanizing, or left self-colored
6Stamping of WLL and traceability markings on the body
7Proof load testing and dimensional inspection before packing
Quality Control
Quality Control On Every Batch
- Proof load test on production batches to verify WLL and structural integrity
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm 4:1 design factor
- Visual and tactile inspection of welds and clamp fit
- Material Test Certificate to EN 10204 3.1 issued with the order on request
- Third-party inspection accepted at the Qingdao warehouse before shipment
Customisation
Customisation Options
- Custom tonnage stamping on the D ring body
- Private label and OEM marking for brand-specific packaging
- Custom surface finish including galvanizing, painting, or electrophoretic black
- Custom dimensions and clamp configuration built to a supplied drawing
- Packing configuration adjusted for carton count and pallet pattern 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 |
|---|---|
| Bolt-on D ring | The weldable version eliminates bolt hole fatigue and loosening under vibration, but requires welding access and is not removable |
| Cast D ring | Forged steel has higher impact strength and fatigue resistance than cast, but is more expensive and less suitable for complex shapes |
| Threaded eye bolt | The D ring provides a larger, more stable attachment point and better load distribution than an eye bolt, but requires more space for installation |
| Rivet-mounted D ring | Weldable design offers higher strength and better load transfer than riveted mounting, but requires skilled welding and is not field-repairable |
Use Guide
How To Use And Inspect Container Lashing D Ring Supplier China
- Ensure the D ring is fully welded or clamped to a structurally sound steel surface before use
- Verify the stamped WLL matches the calculated load; never exceed the rated capacity
- Inspect the clamp and weld joint before each use for signs of cracking or loosening
- Use only compatible lashing devices such as straps, chains, or ropes rated for the same WLL
- Avoid side loading the D ring; keep the pull aligned with the axis of the ring
- Retire the D ring if the body shows deformation, the clamp is cracked, or the marking is illegible
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Answers
Container Lashing D Ring Supplier China FAQ
Can this D ring be welded directly to a steel deck?
Yes. It is designed for permanent welding to decks, hatch covers, or other steel structures. Ensure proper welding technique and joint preparation are used.
What is the design factor for these D rings?
A standard 4:1 design factor is used, meaning the minimum breaking load is four times the stated safe working load.
Are Material Test Certificates available?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied with each order on request.
Can the finish be changed to galvanized?
Yes. Options include self-colored, painted, or galvanized finish. Specify the preferred finish when placing the order.
Is the clamp included with the D ring?
Yes. The clamp is integrated into the design and supplied with each unit for secure mounting.
Can you provide custom dimensions or drawings?
Yes. Custom sizes, clamp configurations, and assemblies can be built to a supplied drawing or specification.
How are they packed for export?
Standard packing is cartons on pallets. We can configure the carton count and pallet pattern to suit your warehouse or retail pack. Goods can be stored free in Qingdao for up to two months to consolidate shipments.
Need A Quote On Container Lashing D Ring Supplier China
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.