We are committed to ensuring we always do what we say we will do. Our customers have the peace-of-mind knowing we invariably meet our targets.

Gear Cutting

Australia's Leading gear cutting specialist, we have the capacity to gear cut up to 1500mm (1.5 metres) in diameter and gear grind up to 725mm in diameter.


As Australia's leading Gear Grinding Specialists, we use some of the world's most advanced machinery including the Niles ZE800 Profile Gear Grinder.

General Engineering

Harman Bros specialise in a full range of General Engineering services including Turning, Vertical Borer, Universal Milling, Grinding, Honing, Presses Welding, Slotting and Keyseating.


As a key leader in Australia's manufacturing industry our CNC capabilities are vast with CNC Lathes capable of machining up to a maximum diameter of 1150mm and maximum height of 950mm and a multitude of multi-axis machining centres.