“Of all the screws we tested, only BUMAX met all our needs.”
Stefan Mueller
Head of R&D at Schunk Sonosystems
“We would certainly use BUMAX screws for other critical connections where galling is an issue and high strength is desirable.”
Arjo Bos
Systems and Mechanical Lead Engineer at TNO
BUMAX 88 is one of our flagship stock grades that provides higher strength, corrosion resistance and fatigue performance than generic stainless steel fasteners.
BUMAX 109 is one of our flagship stock grades that offers higher strength than A4-100 and is the strongest A4/316 stainless steel fastener on the market.
BUMAX SDX 109 is a super duplex grade with excellent mechanical properties, and exceptional resistance to general crevice, pitting and stress corrosion.
BUMAX DX 129 is a duplex stainless steel grade with very high strength combined with excellent corrosion resistance.
BUMAX DX 149 is an ultra-high-strength duplex stainless steel fastener with excellent corrosion resistance.