In 1982, Nord-Lock Group developed the original Nord-Lock wedge-locking technology that safely secures bolted joints. Since then, our range of innovative bolting technologies and expertise has grown to be the most comprehensive on the market, incorporating Superbolt ™ mechanical tensioners, Boltight ™ hydraulic tensioners and Expander System ® pivot pins. Owned by Swedish investment group Latour, Nord-Lock Group is on a mission to safeguard human lives and customer investments.