Manual Twist Locks - Container Ship Specific
Manual twist locks are mechanical container-securing fittings used to lock ISO freight containers to ship deck sockets, hatch-cover foundations, or adjacent container corner castings. They are engaged and released manually by rotating the locking cone.
ProShipWorks provides end-to-end support to source and supply Manual Twist Locks for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
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Product Information
| Product Name | Manual Twist Locks |
|---|---|
| Product Category | Container Ship Specific |
| Product Reference | 466 |
| Brands / Manufacturers | MacGregor, SEC Ship's Equipment Centre Bremen, Container Technics |
| Unit of Measure | Piece |
Key Features
| Key Feature |
|---|
| 1. Manually operated 90-degree rotating locking cone |
| 2. Compatible with ISO container corner fittings |
| 3. High-strength forged or cast steel construction |
| 4. Positive locked and unlocked position indication |
| 5. Designed to withstand marine tension and shear loads |
Applications of Manual Twist Locks
| Application |
|---|
| 1. Securing bottom-tier containers to deck or hatch-cover sockets |
| 2. Securing containers in shipboard container stacks |
| 3. Temporary container securing during vessel loading and discharge |
Standards, Certifications & Class Approval
Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.
| Applicable Standards & Certification | Commonly designed and tested with reference to ISO 1161 container corner fittings, ISO 3874 container handling and securing, the IMO Code of Safe Practice for Cargo Stowage and Securing, and the vessel's approved Cargo Securing Manual. |
|---|---|
| Class Approval | Type approval may be available from DNV, ABS, Lloyd's Register, Bureau Veritas, ClassNK, or other IACS societies. Approval is manufacturer- and design-specific and must match the vessel's approved container securing arrangement. |
Installation, Maintenance & Safety Information
| Installation Notes | Inspect the deck socket and container corner casting before insertion. Fully seat the twist lock, rotate it to the locked position, and verify the position indicator. Use only the type specified in the vessel's approved Cargo Securing Manual. |
|---|---|
| Maintenance Tips | Clean away rust, paint, salt, and debris. Lubricate moving parts with an approved marine lubricant. Check the locking cone, spindle, handle, body, and indicator for wear, deformation, cracks, or corrosion, and remove defective units from service. |
| Safety Notes | Do not stand beneath suspended containers or place hands between mating surfaces. Confirm containers are supported before operating locks. Never use bent, cracked, seized, heavily corroded, or unidentified twist locks, and observe vessel-specific safe working procedures. |
Request a Quote for Manual Twist Locks
Contact ProShipWorks for marine or industrial product sourcing, quotations and delivery.
- Vessel name and IMO number
- ETA / vessel schedule
- Berth or vessel location
- Required quantity
- Preferred delivery window
- Shipping agent contact details
Other Container Ship Specific Products
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