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  2. T-slot structural framing - Wikipedia

    en.wikipedia.org/wiki/T-slot_structural_framing

    Examples of T-slotted profiles 1964 patent demonstrating early use of extruded T-slot members. Cross-section of 80/20 T-slotted profiles, 10 and 15 series A bicycle trailer for bike-trekking with three Euroboxes and aluminium profile framing. T-slot structural framing is a framing system consisting of lengths of square or rectangular extruded ...

  3. UIT rail - Wikipedia

    en.wikipedia.org/wiki/UIT_rail

    The UIT rail, also known as Anschutz rail, is a standard used for mounting slings and other gun accessories in competition shooting, and is essentially a T-slot track shaped aluminium extrusion profile accepting attachments in the form of T-slot nuts, or similar. [1]

  4. T-slot nut - Wikipedia

    en.wikipedia.org/wiki/T-slot_nut

    A T-slot nut is used with a threaded clamp to position and secure pieces being worked on in a workshop. The T-slot nut slides along a T-slot track, which is set in workbench or table for a router, drill press, or bandsaw. T-slot nuts are also used with T-slot structural framing to build a variety of industrial structures and machines.

  5. Metric system - Wikipedia

    en.wikipedia.org/wiki/Metric_system

    The International System of Units is the modern metric system. It is based on the metre–kilogram–second–ampere (MKSA) system of units from early in the 20th century. [20] It also includes numerous coherent derived units for common quantities like power (watt) and irradience (lumen).

  6. M-LOK - Wikipedia

    en.wikipedia.org/wiki/M-LOK

    The slot dimensions (used on handguards, etc.) are available on the web. [10] The slots provide metric 20 mm (0.79 in) length intervals, and accessories can be mounted either within a slot or bridging between slots, making it possible to adjust the position of accessories in smaller intervals than the length of the slot. The slots on an M-Lok ...

  7. Robertson screw - Wikipedia

    en.wikipedia.org/wiki/Robertson_screw

    The contemporary square drive screw has all but replaced the Robertson screw proper and is commonly referred to as a Robertson because it has practically identical drive dimensions and the same colour identification system, but the contemporary square drive socket has parallel sides rather than tapered.

  8. Template:Convert/list of units/mass/metric - Wikipedia

    en.wikipedia.org/wiki/Template:Convert/list_of...

    Template: Convert/list of units/mass/metric. 9 languages. ... Download as PDF; Printable version; In other projects Wikiversity ...

  9. British Association screw threads - Wikipedia

    en.wikipedia.org/wiki/British_Association_screw...

    They then rounded to 2 significant figures in metric and then converting to inches and rounding to the thousandth of an inch. This anticipated worldwide metrication by about a century. The design was first proposed by the British Association in 1884 [ 1 ] [ 2 ] with a thread angle and depth based on the Swiss Thury thread , [ 3 ] it was adopted ...