How many twist locks are required per container layer for stacking?

One twist lock must be fitted on each of the four corner castings of every container, 4 pieces per layer. Diagonal only installation or missing locks are strictly forbidden, which may lead to uneven stress, container shifting or collapse.

Twist Lock Container Lashing Parts Fully & Semi Automatic ISO Certified

Name: Twist Lock Container Lashing Parts Fully & Semi Automatic ISO Certified
Brand: Shouguang Esen Wood Co., Ltd.
SKU: 1909694331

Shandong, ChinaShouguang Esen Wood Co., Ltd.

US$14.00-17.00

150 Pieces

Product profile

Customization

Available

Application

Shipping Containers

Finish

Hot Dipped Galvanized

Model NO.

Container Spare Parts

Load Capacity

Heavy Duty

Material

Casting Steel

Size

Standard Size

Type

Dry Container

Name

Container Twist Lock

Weight

4.5kg

Feature

Durable High Safety

Mbl Tension

500kN

Certification

ISO9001

Experice

10 Years

Producing Period

20 Days

Transport Package

Wooden Box

Trademark

ESEN

Origin

Shanghai, China

HS Code

7307190000

Key features

Heavy Duty Load Capacity: M.B.L Tension reaches 500KN and M.B.L Shear is 420KN for secure lashing.

Durable Material Finish: Made of Casting Steel with Hot Dip Galvanized or Anticorrosive Painting finish.

Global Certification: Holds ISO9001, ABS, FSC Certificates and DEKRA Test Report.

Manufacturer Direct Supply: Direct factory from Shanghai with 10 years experience and high-quality management.

Fast Production Lead Time: Producing period is 20 days, with peak/off-season lead time within 15 workdays.

Flexible Packaging Options: 200 pcs packed per pallet box; accepts mixed orders in one container.

Wide Application Scope: Connects corner castings vertically for safe container transport by sea or land.

Trusted International Brand: Serves hundreds of customers in 50+ countries with annual exhibition presence.

Company profile

Exhibition ExperienceCustomization from SamplesProduct Certification

Shouguang Esen Wood Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-11-08Nearest Port: QingDao, Shanghai, TianjinAverage Response Time: ≤2.25hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization, product development, and production capabilities. It offers ODM, OEM, private-mold, 3D design, and multiple customization options, and reported new products during the past year. Stated annual outputs cover container flooring plywood, film-faced plywood, commercial plywood, LVL, and container steel accessories. Service processes include documented procedures for assessment, corrective and preventive actions, and complaint handling. The supplier has inventory capacity, participates in offline trade shows, and offers overseas maintenance, repair, and training in several countries. However, it has no overseas warehouse, showroom, agent, or branch. Raw-material traceability is unknown. The supplier reported no ERP-based process management and no current enterprise digitalization initiative. Certification holdings and customer case details are not provided. Financial-capacity entries identify years but provide no assessable financial performance information.

Supplier typeThe supplier is presented as a professional technical supplier that provides ODM and OEM services, including OEM services for known brands. Its offering also includes private-mold development and design support, indicating a manufacturer with design and production involvement rather than only a trading role.

After-Sales capabilityThe supplier has documented procedures and records for service assessment, corrective and preventive actions, and customer complaint handling. It also reports overseas maintenance, repair, and training services and has inventory capacity, but lacks overseas warehouses, showrooms, agents, and branches.

R&D capabilityThe supplier reported new products during the past year and offers ODM, private-mold development, 3D software design, and an available SDK. However, it has not started enterprise digitalization and reports no ERP, big-data, or technical-transformation implementation, so innovation is evidenced mainly through product and design development rather than digital transformation.

Production capacityThe supplier reports annual production for five product categories, including commercial plywood, film-faced plywood, container flooring plywood, LVL, and container steel accessories, and states that it has inventory capacity. It also identifies four nearby port options and a one-month average lead time in both peak and off-season periods.

Customization capabilityThe supplier explicitly supports customization from designs and samples, full, minor, and flexible customization. Private-mold development and 3D software design services further support tailored product development.

Product Q&A

Q:What is the maximum load capacity?

The M.B.L Tension is 500KN and M.B.L Shear is 420KN.

Q:What material is used for the twist lock?

It is made of Casting Steel with a Hot Dip Galvanized or Anticorrosive Painting finish.

Q:What certifications does the twist lock have?

We have ISO9001, ABS Certificate, FSC Certificate, and DEKRA Test Report.

Q:What is a container twist lock and what is its main function?

A container twist lock is a special fastener designed for ISO standard container corner castings. As a key lashing component, it locks the upper and lower containers by rotating the locking head. It prevents containers from shifting, shaking or tipping during stacking, sea transportation, truck and rail haulage, and ensures the stability of stacked containers.

Q:Are all twist locks universal for every container?

No. Twist locks manufactured according to ISO 1161 fit standard 20ft & 40ft dry containers. For reefers, over dimensioned or modified old containers, corner casting dimensions shall be checked in advance. Special customized twist locks are required for non standard corner castings.