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DIN 103-8: ISO Metric Trapezoidal Screw Threads; Limiting Sizes for Bolt Threads from 105 to 300 mm Nominal Diameter: Active: DIN 103-9: ISO metric trapezoidal screw threads; gauging of external and internal threads; gauge dimensions and design features: Active: DIN V 105-1: Clay masonry units – Part 1: Solid and hollow bricks with density ...
A standard metric (concrete) block is 190 mm wide, 390 mm long, and 190 mm high, which allows for 10 mm mortar joints in between bricks, giving a standard unit size of 200 mm square by 400 mm long. [3] A standard metric brick is 90 by 57 by 190 mm; with 10 mm of mortar, that produces a standard unit of 100 mm x 200 mm. [3]
It is a transitional size with the shorter side of ISO A4 (210 mm, 8 + 1 ⁄ 4 inch) and the longer side of British Foolscap (13-inch, 330 mm). ISO A4 is exactly 90% the height of F4. This size is sometimes also known as (metric) 'foolscap' or 'folio'. In some countries, the narrow side of F4 is slightly broader: 8.5 inches (216 mm) or 215 mm.
A metric ISO screw thread is designated by the letter M followed by the value of the nominal diameter D (the maximum thread diameter) and the pitch P, both expressed in millimetres and separated by a dash or sometimes the multiplication sign, × (e.g. M8-1.25 or M8×1.25).
ISO 261:1998: ISO general purpose metric screw threads—General plan: V Thread Form: M6x1 ISO 262:1998: ISO general purpose metric screw threads—Selected sizes for screws, bolts and nuts: V Thread Form ISO 724:1993: ISO general-purpose metric screw threads—Basic dimensions: V Thread Form ISO 725:2009: ISO inch screw threads—Basic dimensions
Two supplementary standards, ISO 217 and ISO 269, define related paper sizes; the ISO 269 "C" series is commonly listed alongside the A and B sizes. All ISO 216, ISO 217 and ISO 269 paper sizes (except some envelopes) have the same aspect ratio, √ 2:1, within rounding to millimetres. This ratio has the unique property that when cut or folded ...
The actual amount bigger/smaller depends on the base dimension. For a shaft of the same size, h6 would mean 10+0−0.009, which means the shaft may be as small as 0.009 mm smaller than the base dimension and 0 mm larger. This method of standard tolerances is also known as Limits and Fits and can be found in ISO 286-1:2010 (Link to ISO catalog).
The alternative Super series, denoted SnR, nR Plus or nR+, has an aspect ratio of 3∶2 (or as close as possible) and thus provides a better fit for standard 135 film (35 mm) at sizes of 8 inches or above. 5R is twice the size of a 2R print, 6R twice the size of a 4R print and S8R twice the size of 6R. 4D/6D is a newer size for most consumer ...