Capri Tools XZN Triple Square Bit Socket Set S2 Bolt Wrench Bit, Pack of 10

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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.

Ryder Windham (2006). You Know You're in Rhode Island When...: 101 Quintessential Places, People, Events, Customs, Lingo, and Eats of the Ocean State. Globe Pequot Press. pp.60ff. ISBN 978-0-7627-3940-0. Digest, Reader's (2003). Family Handyman Best Projects, Tips and Tools. Reader's Digest. p.106. ISBN 978-0-7621-0455-0. Archived from the original on 2016-12-24 . Retrieved 2016-09-24. 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. Supadrive allow a small angular offset between the screw and the screwdriver. Pozidrive have to be directly in line" a b c "Unterschied zwischen Pozidrive und Superdrive"[Difference between Pozidriv and Supadriv] (in German). Goedkopeschroevenkopen.nl. Archived from the original on February 22, 2014 . Retrieved 2014-03-20.Lox: Screws Designed for Power Tools". www.lox.com. Archived from the original on 2017-12-09 . Retrieved 2017-12-24. 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 ] Other combinations are a Phillips and Robertson, a Robertson and a slotted, a Torx and a slotted and a triple-drive screw that can take a slotted, Phillips or a Robertson. The Pozidriv, sometimes incorrectly spelled "Pozidrive", is an improved version of the Phillips screw drive. It is designated "Type IA" by ANSI standards. [20] and "Type Z" in ISO documents. The Pozidriv was patented by GKN Screws and Fasteners in 1962. [21] [22] It was designed to allow more torque to be applied and greater engagement than Phillips drives. As a result, the Pozidriv is less likely to cam out. [10] [23] [24] It is similar to, and compatible with, the Supadriv screw drive. [25]

Phillips Screw Company". Phillips-screw.com. Archived from the original on 2017-05-02 . Retrieved 2017-05-01.MTI Catalog" (PDF). moodytools.com. Archived (PDF) from the original on 2014-01-09 . Retrieved 2014-01-10. Also called BNAE NFL22-070 after its Bureau de normalisation de l'aéronautique et de l'espace standard number. A cross-head screw with a two-step driver design, with the blade diameter stepping up at a distance from the point. Most tamper-resistant screw configurations rely on the common unavailability of corresponding drivers to reduce the likelihood of widespread tampering. True tamper-proof - rather than merely resistant - screw drives include the breakaway head and one-way screw drives. The applicable standards that govern the Torq-set geometry are National Aerospace Standard NASM 33781 and NASM 14191 for the ribbed version. The ribbed version is also known as ACR Torq-set. [84] Tri-angle [ edit ] Oberg, E. Jones, F. Horton, H. (1984). Machinery's Handbook, 22nd ed. New York: Industrial Press Inc. pp. 1157, 1159