Shackles
Bolt Type Shackle, Safety Pin Chain Shackle, Lifting D Shackles
A bolt-type D shackle made from drop-forged super carbon steel body with an alloy steel bolt, designed for secure connection in lifting and rigging applications. The shackle features a 4:1 or 6:1 safety factor, is heat-treated for strength, and comes with a hot-dipped galvanized, powder coated, or zinc-plated finish. Sizes range from 3/16" to 4" WLL, with the working load limit embossed on each unit.
- Size
- From 3/16"to 4" WLL ,Size embossed on each shackle
- Material
- Body-Super Carbon Steel. Screw Pin-Alloy Steel
- Finish
- Body-Hot Dipped Galvanized / Powder Coated / Zinc Plated
- Packing
- Cartons or Gunny Bags and then on Pallets
- Catalogue Family
- Shackles
- 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 Bolt Type Shackle Gives You
- Drop-forged super carbon steel body with quenched and tempered treatment ensures high strength and impact resistance
- Alloy steel bolt provides reliable tensile strength and resistance to loosening under load
- 4:1 or 6:1 safety factor depending on the model, meeting standard rigging safety requirements
- Hot-dipped galvanized, powder coated, or zinc-plated finish resists corrosion in harsh environments
- WLL embossed on the body for immediate field identification and traceability
- Bolt-type closure allows for quick assembly and disassembly with standard tools
- Available in sizes from 3/16” to 4” WLL to suit a range of lifting and rigging tasks
Application Scenarios
Where Bolt Type Shackle Is Used
- Construction site rigging where heavy loads are lifted and secured using chains or slings
- Marine and offshore operations requiring corrosion-resistant shackles for mooring and lifting
- Off-road recovery setups using winches and tow straps where secure connections are critical
- Industrial maintenance where equipment must be lifted or repositioned with reliable hardware
- Manufacturing facilities using rigging systems for moving heavy components on the shop floor
- Port and logistics operations handling containers and heavy cargo with consistent rigging hardware
Who It Is For
Buyers This Product Is Built For
- Rigging contractors sourcing standardized shackles for multiple job sites
- Marine equipment suppliers needing corrosion-resistant lifting hardware
- Construction companies specifying durable shackles for crane and hoist operations
- Industrial maintenance teams requiring traceable, stamped shackles for safety compliance
- Logistics and transport operators building recovery and load securing kits
- Equipment manufacturers integrating shackles into their lifting or anchoring systems
Problems It Solves
Problems This Product Removes
- Inconsistent load ratings and unclear marking on generic shackles leading to unsafe use
- Shackles failing under dynamic load due to low material strength or poor heat treatment
- Corrosion damage in outdoor or marine environments reducing service life
- Difficulty in identifying the correct working load limit without a visible stamp
- Bolt loosening under vibration or repeated loading due to inadequate locking mechanism
- Sourcing shackles from multiple suppliers for different sizes and finishes, increasing procurement complexity
Technical Features
Technical Features
- Drop-forged super carbon steel body with quenched and tempered heat treatment
- Alloy steel bolt with high tensile strength for secure closure
- 4:1 or 6:1 safety factor depending on the model, with minimum breaking load four or six times the WLL
- WLL embossed on the body for field traceability and compliance
- Hot-dipped galvanized, powder coated, or zinc-plated finish for corrosion resistance
- Bolt-type closure with a removable bolt for easy assembly and disassembly
- Available in sizes from 3/16” to 4” WLL, with dimensions consistent across the range
Specifications
Bolt Type Shackle Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 3/16” to 4” WLL |
|---|---|
| Material | Body - Super Carbon Steel, Bolt - Alloy Steel |
| Safety Factor | 4:1 or 6:1 |
| Processing | Drop Forged, Quenched and Tempered |
| Surface Finish | Hot Dipped Galvanized / Powder Coated / Zinc Plated |
| WLL Marking | Embossed on body |
| Design Factor | 4:1 or 6:1 minimum breaking load to safe working load |
Materials
Materials And Finishes
- Super carbon steel body for high tensile strength and durability
- Alloy steel bolt for resistance to shear and tensile stress
- Hot-dipped galvanized coating for long-term corrosion protection
- Powder coat finish for abrasion resistance and visual clarity
- Zinc plating for moderate corrosion resistance in indoor or dry environments
Manufacturing Process
How This Product Is Made
1Drop forging of the shackle body and bolt blanks
2Quench and temper heat treatment of the body and bolt
3Machining of the bolt threads and body holes
4Assembly of the bolt into the body with proper torque
5Surface finishing by hot-dip galvanizing, powder coating, or zinc plating
6Embossing of the WLL and safety factor on the body
7Proof load testing and final inspection before packing
Quality Control
Quality Control On Every Batch
- Proof load test on production batches before release
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm the 4:1 or 6:1 design factor
- Visual inspection for surface defects, coating integrity, and marking clarity
- 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 body for specific WLL requirements
- Private label and OEM marking available for brand integration
- Finish to order in hot-dipped galvanized, powder coated, or zinc plated
- Sizes and configurations built to a supplied drawing or specification
- 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 |
|---|---|
| Screw Pin Shackle | Bolt-type shackle has a more secure closure under vibration and is easier to inspect for tightness than a screw pin that can loosen over time |
| Safety Pin Shackle | Bolt-type shackle allows for faster assembly and disassembly without needing a cotter pin, though the safety pin version offers a positive locking mechanism |
| Bow Shackle | D shackle provides a more compact profile and higher strength-to-weight ratio in straight-line pull, while bow shackles offer more clearance for angled rigging |
| Soft Shackle | Steel bolt-type shackle handles abrasion and high loads better than a soft shackle, which is lighter and floats but wears faster under friction |
Use Guide
How To Use And Inspect Bolt Type Shackle
- Verify the embossed WLL matches the calculated load before use
- Ensure the bolt is fully tightened and seated in the body before applying load
- Inspect the shackle for deformation, wear, or coating damage before each use
- Do not use if the bolt shows signs of thread damage or the body is cracked
- Avoid side loading or bending the shackle beyond its rated capacity
- Retire the shackle if the WLL marking is illegible or the finish is compromised
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Screw Pin Chain Shackle D Type
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Answers
Bolt Type Shackle FAQ
What safety factor do these shackles have?
They are available with a 4:1 or 6:1 safety factor, depending on the model, with the minimum breaking load four or six times the stated safe working load.
Are the working load limits stamped on the shackle?
Yes, the WLL is embossed on the body for immediate field identification and traceability.
What finishes are available?
Options include hot-dipped galvanized, powder coated, and zinc-plated finishes to suit different environmental conditions.
Can you supply Material Test Certificates?
Yes, a Material Test Certificate to EN 10204 3.1 is supplied on request with each order.
Is customization available for size or marking?
Yes, custom tonnage stamping, private label marking, and size builds to drawing are standard options.
How are they packed for export?
Standard packing is cartons or gunny bags on pallets. We can configure packing to match your warehouse or retail requirements.
What standards do these shackles meet?
They comply with DIN 766, DIN 741, DIN 1142, DIN 1480, DIN 1478, DIN 580, DIN 582, and material grades 43, 70, 80, 100.
Need A Quote On Bolt Type Shackle
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