1018 Dunbier Chain Galvanised 8mm x 500mm (12 Links) | Marine Trailer Part

🔧 Product Description

Dunbier Galvanised Weld-On Safety Chain 8mm × 500mm - Part Number: 1018

A 8mm galvanised trailer safety chain measuring approximately 500mm with 12 links. This chain is intended for attachment using the trailer manufacturer's approved weld-on or engineered mounting method.

⚙️ Key Features

• Nominal chain material diameter: 8mm

• Approximate length: 500mm

• Link count: 12 links

• Galvanised finish

• Purpose-built trailer safety-chain component

• Designed for an approved permanent trailer attachment

📏 Specifications

• Chain diameter: 8mm

• Length: 500mm

• Links: 12 links

• Attachment style: weld-on

• Capacity: Use only to the permanent marked trailer-chain rating

🔄 Cross Reference & Related Parts

• Dunbier: 1018

• Safety-chain requirements up to 3500kg ATM are covered by AS 4177.4

• Related Dunbier chain sizes: 1018, 1019, 1020, 1021 and 1022

• Comparable products must be marked and certified for the required trailer ATM

🚤 Trailer Compatibility & Application

• Suitable for trailers whose ATM does not exceed the chain's marked designation

• Select the number of chains and connection devices to current jurisdictional requirements

• The trailer and towbar attachment points must be at least as strong as the chain

🔌 Function

Retains and helps control the trailer if the main coupling disconnects, reducing the risk of complete separation.

Common signs of wear or replacement:

• Link wear, elongation, bending or cracking

• Heavy rust or loss of chain diameter

• Damaged weld or loose bolt-on attachment

• Chain has been dragged on the road

• Rating or manufacturer markings cannot be identified

🛠️ Installation & Safety

• Use only the approved attachment method for the specific trailer drawbar

• Bolt-on versions require a reinforced attachment point and correctly tightened locking hardware

• Welding should be performed only by a competent person using the specified attachment link or tab

• Do not weld, heat or modify a rated chain link unless expressly permitted

• Connect with correctly rated shackles or approved devices and inspect before every trip

📦 Condition

• Brand new Dunbier Marine Products trailer component

• Supplied as one 8mm × 500mm safety chain

• Supplied in original or equivalent packaging