For over three decades, ISO Engineering has been a trusted name in South Africa for the supply and manufacture of high-quality bolts and nuts. We serve a broad range of industries, from mining and construction to automotive and agriculture, with expertly engineered fastener solutions.
Whether you're looking for off-the-shelf fasteners or need something bespoke, we have the capability to deliver:
Hex Bolts and Nuts
Flange Bolts
Socket Head Screws
Coach and Carriage Bolts
Our team specialises in producing custom bolts and nuts to match your exact engineering specs, including threading, length, strength grade, and coating.
We stock and manufacture stainless steel bolts and nuts, ideal for marine, food-grade, and corrosive environments. Grades include:
304 & 316 Stainless Steel
Duplex & Super Duplex
904L for high-corrosion resistance
Our factory is conveniently located to serve major industrial zones including:
Midrand – Rapid supply to the Gauteng corridor
Johannesburg – Central for warehousing and distribution
Germiston – Fast turnaround to key industries
Anywhere in SA – Nationwide delivery available
ISO 9001:2008 certified quality control
Fast turnaround and bulk production capabilities
Precision-engineered products tailored to your industry
Competitive pricing with no compromise on quality