Manufacturers & Suppliers of Double-end stud bolts

EFS provides special fasteners based on customer drawings and technical specifications.
We offer precision machining, threading, turning and rolling on request, including special materials like Inconel, Hastelloy, Duplex, Superduplex and high-temperature alloys.
Surface and heat treatments are also available (Geomet®, hot-dip galvanizing, quenching, passivation), as well as certified laboratory testing.