Editing Torx (section)

== Competitive variants ==
'''AW drive''' is a hexalobular-type screw head similar to Torx, with a tapered profile to aid in centering, developed by the [[Würth]] Group in Germany.<ref>{{cite web |title=Technical Information on Fasteners: Design recommendations 11.1 Inside drives for screws – AW drive (AW-Antrieb) |url=http://wueko.wuerth.com/medien/produktinfo0000-EN/pdfNEW/09199.pdf |publisher=Adolf Würth GmbH & Co. KG |access-date=2 March 2017 |archive-date=1 March 2017 |archive-url=https://web.archive.org/web/20170301213648/http://wueko.wuerth.com/medien/produktinfo0000-EN/pdfNEW/09199.pdf |url-status=dead }}</ref> It is available in five sizes: AW&nbsp;10, AW&nbsp;20, AW&nbsp;25, AW&nbsp;30 and AW&nbsp;40.<ref>{{cite web |title=Construction Range Overview (Fasteners: Introducing the AW Drive System, p. 3) |url=http://wurth.co.nz/construction-snapshot/files/assets/common/downloads/page0005.pdf |publisher=Würth New Zealand |date=2016 }}</ref>

'''T-Star plus''' has a similar screw drive design to Torx ttap and was introduced in 2005 by German fastener manufacturer [[Altenloh, Brinck & Co]] under its brand name ''Spax''.<ref>{{cite web |title=Multi-Material Construction Screws |url=https://spax.us/multi-purpose-construction-screws |publisher=Spax US |access-date=16 June 2024 |archive-url=https://web.archive.org/web/20240616145411/https://spax.us/multi-purpose-construction-screws |archive-date=16 June 2024}}</ref>