Bolt tensioner provides tight jointsThe new Hytorc-Disc stops bolt turning and twisting when placed underneath a regular nut and held stationary by the click-on bolting machine.The Hytorc-Disc is of same size as the regular hex nut. An inner thread segment is connected with the bolt thread. Upon turning the nut, the thread segment moves upwards only with the straight axial bolt elongation in the inside of the Disc. The tool also helps prevent joint face frictions by letting the nut above turn on the smooth surface of the Disc, instead of turning on an uneven flange surface. Click here to enlarge imageThe nut is dry-lubed to avoid sporadic lubrication to even out thread friction. The nut ...

Why Register?

Non-subscribers can only view whitepapers by providing name, home and email address, phone number and other information and comment on/rate articles.

Why Subscribe?

Oil & Gas Journal subscribers with login credentials can access these premium features of OGJ Online:

  • Current Issue – an html version of the current week's issue of Oil & Gas Journal.
  • Past Issues – An Electronic OGJ Archive. A keyword-searchable archive of all issues of Oil & Gas Journal dating back to 1990; also searchable by issue date.
  • Market Journal – a weekly round-up of the oil and gas markets, with observations from leading analysts.
  • Editor's Perspective – a short article of insight and opinion by the Editor of Oil & Gas Journal.
  • OGJ Industry Stats – quick access to current industry statistics from Oil & Gas Journal.
  • OGJ Survey Downloads - quick access to exclusive reports from Oil & Gas Journal.


Subscriber Help or Subscribe

Oil & Gas Journal Subscribers: Have your subscription number (from the mailing label on the cover of your Oil & Gas Journal) and e-mail address ready to set up your online account through Customer Service Assistant.

If you're not an Oil & Gas Journal subscriber, start a subscription and gain access to the subscriber areas of OGJ Online now.

Stay Connected