The World’s Best
Belt Grinders
Australian Made Award Winning Precision Machinery.
Exported to Germany, the USA & 20 Countries Worldwide.
Find Your Local Distributor
Radius Master belt grinders are available from authorised distributors worldwide. We ship to over 20 countries globally. Contact us to find your nearest stockist.
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Australia
Direct sales & local distributor network.
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USA
Extensive dealer network across North America.
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Europe
Including Germany, UK, and 15+ countries.
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Rest of World
Global shipping & select regional partners.
Unmatched Versatility & Precision
Used by universities, TAFE colleges, CSIRO, aircraft manufacturers, and the medical profession.
7 Workstations in One
Access to 5 contact wheels, slack belt and flat grinding in seconds without tools.
10-Second Belt Changes
The fastest belt changes of any belt grinder on the market, keeping you productive.
Superior Corner Notching
No other belt grinder can notch into sharp corners like the Radius Master.
Rapid Curve Notching
Superior belt grinder curve notching for finger grooves and pipe notching.
Heavy Metal Removal
Heaviest metal removal rates to the finest finishing from any belt grinder.
Unmatched Fine Notching
Usually only possible with an electric Dremel, now available on a belt grinder.
Worldwide Distribution
Available in 20+ countries with an authorised and trusted distributor network.
Variable Speed Control
Step-less control from 400rpm to 1600rpm for difficult-to-grind materials.
Under New Management
Fresh Ideas, Same Quality
NIROC, Australia’s leading brand of Australian made metalwork hand tools, has expanded to incorporate Radius Master. We’re bringing our commitment to excellence to the world’s best belt grinders.
- New Phone number — 0415 245 405
- Same staff and build quality
- Same Location
- Same great machines
- Industry leading customer service
- New ideas, accessories and attachments

Coming Soon
Expansion packs allowing quick change to more contact wheels and accessories! Follow us on Instagram for the latest updates.
The RM48 Series 2 In Action
Built for precision, designed for endurance. See what makes it the world’s best.
Get In Touch
Ready to find your nearest distributor? We ship worldwide.







Follow Our Journey
Join our community of precision metalworkers.
Discover Australia’s premium manufacturer of belt grinders and accessories.
Discover Australia’s premium manufacturer of metalwork hand tools and accessories.