In the video, [Daniel] is faced with a titanium Torx screw that refuses to come loose due to threadlocker, an adhesive that is applied to screws and other fasteners to prevent them coming loose.

Birkdale has introduced two new screws to its SITEMATE® range – the Flat Head Timber Screw and the Powerpro Flanged Hex Head ...

they generally cost several times more than an equivalent lag screw. You’ll need a Torx or Spider drive bit for structural screws. The labor difference between structural screws and lag screws ...