Bumax

SPECIAL SERVICES

The World’s Strongest Stainless Steel Bolt

Bumax manufactures premium stainless steel fasteners engineered to the highest standards—with tensile strengths from 1500 to 1700 MPa and operating ranges between −50 °C and 400 °C

Aerospace & Defence

Oil & Gas / Offshore

High-pressure engineering

Chemical & Marine

Security & Locking Systems

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About Bumax

Certified Supply. Expert Support. 50+ Years of Industry Leadership.

Astra is proud to be South Africa’s official distributor for Bumax®, renowned for unmatched strength, corrosion resistance, and reliability.

Why It Matters
Ideal for critical applications in aerospace, high-pressure systems, offshore rigs, and security locks, Bumax delivers ultra-high life-cycle value

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