bumax®
BUMAX is the world-leading specialist manufacturer of high quality stainless steel fasteners through hot and cold forming as well as through machining. Our fasteners are manufactured at our plant in Åshammar in the heart of Sweden’s steel district.
BUMAX® is known as the strongest stainless steel bolt in the world – providing optimal safety and reliability to fasteners in the most demanding of applications. Fasteners made to last forever.
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BUMAX Fasteners is a premium line of high-performance stainless steel fastening solutions. Renowned for their exceptional corrosion resistance, fatigue endurance, and reliability, BUMAX products—such as the Bumax 88 and Bumax 109 series—excel in critical applications across industries including oil and gas, marine, energy, petrochemicals, and heavy machinery. Crafted from advanced alloys, these fasteners surpass standard A4/316 grades in strength and durability, enabling compact designs, weight savings, and superior performance under extreme temperatures from -269°C to 800°C.
At the core of the company is its team of skilled and dedicated employees. With more than 70 staff members—based at the production plant in Åshammar, Sweden, and in technical sales roles across Europe—their people remain central to the strength of their business and their ability to serve customers effectively.
Industries Served
- Military/Aerospace
- Gas/ Oil
- Construction
- Industrial
Certifications
- ISO 9001
- ISO 14001, environmental management
- IATF 16949, automotive
- Pre-approval for Pressure Equipment Directive PED 2014/68/EU
- CE marking for non-preloaded structural bolting to EN15048