Jul 3, 2026Services Overview

What is the chain size of swing chain?

Safety Chain & Fittings for Swing Applications

Safety Chain & Fittings for Swing Applications

When it comes to swing chains, safety and reliability are non-negotiable. At Boyuan Metal, we supply DIN766 swing chains with matching H-type and Y-type eye nuts, designed specifically for playground and recreational swing applications.

DIN766 Swing Chain

The most commonly used chain standards for swings are DIN766 5mm and 6mm, with the following key features:

Specification	Details
Standard	DIN766
Diameter	5mm or 6mm
Grade	Grade 30 (G30), tested for load-bearing capacity
Inside Width Tolerance	Tightly controlled to prevent child finger entrapment
Surface Finish	Hot-dip galvanized or electro-galvanized for outdoor corrosion resistance

The inside width of the links is manufactured to a precise tolerance — neither too wide nor too narrow. This is a critical safety feature designed to prevent children's fingers from getting caught during use, in compliance with European playground safety standard EN 1176.

Despite being a lightweight chain, Grade 30 ensures the chain provides reliable load-bearing capacity, making it suitable for the dynamic forces generated during swinging.

Key Safety Features at a Glance

✅ DIN766 Grade 30 chain, load-tested and certified

✅ Tightly controlled link dimensions to prevent finger entrapment

✅ Hot-dip galvanized or stainless steel for rust resistance

✅ H-type and Y-type eye nuts engineered for dynamic side loading

✅ Smooth, burr-free surface finish throughout

✅ Designed to meet EN 1176 playground safety standards

One-Stop Supply from Boyuan Metal

We offer a complete package for your swing chain requirements — chains, eye nuts, and compatible connectors — all from one supplier. Whether you need standard specifications or custom dimensions, we can support your project from sample to bulk delivery.