Australian Standard R20 600mm Galvanised Round Steel Dowel Bar

Sep 05, 2025

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Features:

Available in 12mm,16mm, 20mm, 24mm 30mm, 32mm,60mm diameter standard dowel sizes.

Available in 5 standard lengths:

300mm length: 12mm
400mm length: 16mm & 20mm
450mm length: 24mm & 33mm
500mm length: 16mm & 20mm
600mm length: 16mm & 20mm

Dowels manufactured from AS/NZS 3679.1, Grade 300 steel.

Hot dipped galvanised to AS/NZS 4680 as standard.

Fiction cut dowels, not cropped.

Custom lengths available upon request. Minimum order quantites will apply.

 

1.Is galvanised steel better than steel?

This additional coating of zinc is responsible for making galvanized steel more corrosion-resistant, fire-resistant, and more durable.

 

2.What is a galvanised steel?

Galvanized steel is a steel that has a protective zinc coating on its outer surface. The zinc is used to increase the steel's corrosion resistance and is applied most commonly by hot dipping the steel into molten zinc.

 

3.Can galvanized steel rust?

Yes, galvanized steel resistance to rust corrosion depends largely on the type and thickness of the protective galvanized zinc coating, but the type of corrosive environment is also a critical factor. Factors that rust and corrode galvanized steel: Relative humidity above 60% Sodium chloride (salt) in water or air.

 

4.Why is galvanized steel so cheap?

Galvanized steel is much easier to produce than stainless steel. To galvanize a piece of steel, the product only needs to be dipped into molten zinc before it's ready to use. Because of this, it's cheaper than its counterpart, which makes it a more affordable choice for use in small-scale projects.

 

5.How strong is galvanized steel?

Galvanized steel is strong and reliable.
Hot-dip galvanized steel has the same bend, impact properties, proof strength, and tensile strength of any other structural steel, with one important difference. Galvanized steel does not rust.