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A set of torq-set bits. Torq-set is a cruciform screw drive used in torque-sensitive applications. The Torq-set head is similar in appearance to a Phillips drive in that it has a cross with 4 arms. In Torq-set however, the lines are offset from each other, so they do not align to form intersecting slots across the top of the head.
It seems to me from some reading that there is a relatively new standard ISO 8764 that specifies "Screwdrivers for cross-recessed head screws", and apparently the latest revision of this standard specifies a driver that is designed to be able to successfully drive both traditional Phillips and traditional JIS fasteners.
JIS X 4061:1996 – Collation of Japanese character string; JIS X 6002:1980 – Keyboard layout for information processing using the JIS 7 bit coded character set; JIS X 6054-1:1999 – MIDI; JIS X 6241:2004 – 120 mm DVD – Read-only disk; JIS X 6243:1998 – 120 mm DVD Rewritable Disk ; JIS X 6245:1999 – 80 mm (1.23 GB/side) and 120 mm (3 ...
A set of "secure" or otherwise less common screwdriver bits, including secure Torx and secure hex or "Allen" variants. Many modern electrical appliances, if they contain screws, use screws with heads other than the typical slotted or Phillips styles. Torx is one such pattern that has become widespread. It is a spline tip with a corresponding ...
An External Torx version exists, also known as Inverted Torx, where the screw head has the shape of a Torx screwdriver bit, and a Torx socket is used to drive it. The external "E" Torx nominal sizing does not correlate to the "T" size, (e.g. an E40 socket is too large to fit a T40 Torx bit, while an E8 Torx socket will fit a T40 Torx bit [6]).
A hex key (also, hex wrench, Allen key and Allen wrench, Unbrako or Inbus) is a simple driver for bolts or screws that have heads with internal hexagonal recesses ().. Hex keys are formed from a single piece of hard hexagonal steel rod, having blunt ends that fit snugly into similarly shaped screw sockets.