BUMAX Ultra is the highest-strength grade in the BUMAX stainless range, engineered for applications that demand exceptional mechanical performance without sacrificing corrosion resistance. It is used where a stainless fastener must match or exceed high-grade carbon-steel strength.
Selection depends on the size, thread, length, and the specific strength and corrosion requirements of the application.
Component Solutions Group stocks and sources BUMAX® ULTRA as part of a managed C-parts program for OEMs, with certification and consolidated supply. Explore BUMAX fasteners or request a quote.
Engineering support for material and finish selection
Global sourcing for lead time and cost optimization
Supply continuity and program support
Consolidate standard and custom parts through one partner
BUMAX® ULTRA is the strongest fastener on the market and is frequently used to replace high strength carbon steel fasteners in critical applications.