Wheel Accessories Parts 6 Point Spline Drive Tuner Socket Key Tool For 6 Spline Lug Nut. 16.2mm Inner Diameter- Dual Hex Key with 19mm (3/4) and 21mm (13/16)

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Tamper Proof Nuts". Loss Prevention Fasteners. Ultra Fasteners Inc. Archived from the original on 2015-09-26 . Retrieved 2015-09-25. a b c d e "screw drive systems". Sizes.com. 2010-12-30. Archived from the original on 2012-03-13 . Retrieved 2012-03-12. Improvements in or relating to screw threaded fasteners and drivers for use therewith". Google Patents. 1962-05-04. Archived from the original on 2020-01-26 . Retrieved 2017-10-13. Pavlis, Egon "arcticpenguin" [pseudonym]. "When a Phillips is not a Phillips Plus So Much More!". Instructables: share what you make. Instructables. Archived from the original on 2012-02-09 . Retrieved 2012-03-11. Screw Holding Screw Driver" (PDF). Audiocraft Magazine: 7. April 1956. Archived (PDF) from the original on 2021-10-16 . Retrieved 2018-09-17.

Palese, Jim (July 7, 2015). "Salient Features of Clutch Head Screws". The Mutual Screw Mantra. Archived from the original on 2016-05-29 . Retrieved 20 March 2021. TORX PLUS Tamper-Resistant Drive System". www.acument.com. Archived from the original on 2019-04-18 . Retrieved 2019-04-18. The Phillips Screw Company". phillips-screw.com. Archived from the original on 2021-10-08 . Retrieved 2021-10-07. Chart of Torx fasteners and tools". Wiha Tools USA. Archived from the original on 2015-12-26 . Retrieved 2012-01-14. Ribe– Your development partner for fastening systems". Ribe Verbindungstechnik. Archived from the original on 2015-10-05 . Retrieved 2015-08-25.a b c d e Dougan, Lee. "Aerospace Drive System Finding New Applications". www.phillips-screw.com. Phillips Screw Company . Retrieved 21 September 2022. The Supadriv (sometimes spelled incorrectly as "Supadrive") screw drive is very similar in function and appearance to Pozidriv. It is a later development by the same company. The description of the Pozidriv head applies also to Supadriv. While each has its own driver, [26] the same screwdriver heads may be used for both types without damage; for most purposes it is unnecessary to distinguish between the two drives. Pozidriv and Supadriv screws are slightly different in detail; the later Supadriv allows a small angular offset between the screw and the screwdriver, while Pozidriv has to be directly in line. [25] [27] [28]

The Ultra-Lok, and Ultra-Lok II are some of these designs that use custom keyed drivers, which tend to be confined to industrial and institutional uses that are unavailable to the average layperson. Key-Rex screws are another design, and are used in such things as ballot boxes and bank vaults. [41] Fastener Superstore Fastener Guide". Archived from the original on 2017-12-29 . Retrieved 2017-12-28.

ASTER System". www.lisi-aerospace.com (in French). Archived from the original on 2018-06-13 . Retrieved 2018-06-13. Also known as an ECX or Combination Tip drive. A combined slotted and Robertson drive screw found in electrical power equipment and distribution equipment. The design allows for higher torque application with reduced camming, slipping out and damaging the fastener. [63] The ECX drive is not compatible with older combination Phillips and slotted head screws. [64] Although Milwaukee Electric Tool holds the trade name ECX, their marketing materials do not tell what type of screw head ECX is designed to fit. [50] Clutch [ edit ] Line Head and Line Recess screw drives are Japanese systems with male, female and tamper-resistant configurations. [72]