Base Collar

The Base Collar(Start Collar/Starter) is the beginning of the Ringlock scaffolding system. It comes with a single rosette installed on the base jack and sits upon a fixed or Adjustable Base.
APAC Ringlock Scaffolding System strictly conforms to EN 12810/EN12811, ANSI/SSFI SC100-5/05, AS/NZS 1576 etc standard.

Hot Dipped Galvanized Ringlock Base Collar
Hot-Dipped Galvanized Ringlock Base Collar
Steel Ringlock Base Collar
Customized Extended
base collar
base collar sits upon Base Jack
base collar sits upon adjustable Base Jack

APAC Ringlock Base Collars are made of high-quality Q235, Q345 steel, suitable sizes with hot-dip galvanized, powder-coated or painted surface treatment, using high-quality raw materials and advanced production technology, our base collars are very stable and durable.

get more details about the base collar of
Ringlock Scaffolding System

Why choose APAC Ringlock Scaffolding?


We only use the high quality steel in our ringlock scaffolding products. Our steel suppliers are well-known as their quality and workmanship.


Our automatic welding line control involves routine or continuous monitoring of process variables, particularly current and force.

hot-dip galvanized

Our ringlock productions are finished and protected by hot-dipped zinc galvanizing. This will maximize the utilization and extend the lifespan.


APAC attaces importance to product quality, deviation is under 3% in anverage which is much better than ANSI allowed 10% in maximum.




Ringlock base collar Supplied by APAC

Ringlock base collar can be also called basic socket, it is the base foundation for Ringlock system, it needs to connect with base jack and Ringlock standard to make sure the base is flat and fixed.

APAC Ringlock base collar dimensions:

O.D: 48.3mm & 60.3mm,        Thickness: 3.2mm & 5.0mm,

Length: 0.16m – 0.43m,     we can do any sizes as the requirement of customers. 

Why ringlock standard is popular in construction?

Ringlock scaffolding system is a proven modular system that suitable for an unbeatable variety of uses all forms of access and support structures in the building construction industries, facade retention, offshore construction, events etc.
It consists of carbon steel tubes, captive wedges, and rosettes. Ringlock scaffolding is flexible to use, quick to assemble and offers lasting value thanks to the long service life of all components: standards, ledgers, diagonal brace, base collar, etc.
Their cross-system compatibility enable you to cope with every application you can think of.

Chinese base collar Wholesale Supplier

APAC manufactures the high-quality Ringlock scaffolding starter collar, the surface treatment is hot-dip galvanized. Painted or powder-coated Ringlock scaffolding Standard is also workable based on customer’s requirements.

With APAC, you will have good quality starter collar, which is based on EN 1090-1 and ISO 3834-2 standard.

If your project just needs our Ringlock scaffolding starter, please don’t hesitate to contact us. Free samples and competitive price will be afforded.

Boost Your Business with APAC ringlock standards


The reason is that there has the rosettes be welded on the tube of the ringlock scaffolding Standard.

The distance of each two rosettes is 500mm, 0.5m Standard has one rosette, 1.0m has two rosettes, 1.5m has there rosettes, 2.0m has four rosettes, 2.5m has five rosettes and 3.0m has four rosettes.

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