Nut Locking Collar Grip Styles
Hydraulic tensioning with hydraulic tensioners and nuts is the ideal method for tightening bolted connections. Hydraulic tensioning eliminates inaccuracies and helps achieve correct bolt loading in critical fasteners. At HTI, we’ve been building hydraulic tensioners and nuts since 1986.
HTI hydraulic nut locking collars come standard with a diamond knurl finish, for easy gripping.
We also offer the following locking collar grip styles:
- Geared
- Straight Knurled
- Grip-tape

Standard nut with black oxide finish and a diamond knurl top locking collar

Hydraulic nuts with geared top locking collars

Large stud hydraulic nut with straight knurled bottom locking collar

Grip-tape finish for locking collar
Custom Engineered Solutions Since 1986
HTI has been designing engineered solutions to your toughest bolt tensioning problems for over 35 years! Choose from one of HTI’s hydraulic nut catalog models or we can design a custom hydraulic nut for any application when a standard model won’t work. HTI hydraulic nuts can be designed for imperial or metric-sized studs. Contact us to start the process of getting the right tensioning solution for your application.