Studs – with a length of engagement equal to about 1 d
This standard specifies dimensions and technical delivery conditions for studs intended for use mainly in steel. As specified in DIN 267-2, the stud end thread shall be produced to tolerance Sk6 as in DIN 13-51, unless the stud is designated Fo (‘without interference-fit thread’) or Sn4.

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Standard Specification for Carbon and Alloy Steel Nuts [Metric]
Mechanical properties of fasteners – Nonferrous metal bolts, screws, studs and nuts (ISO 8839 : 1986) (English version of DIN EN 28 839)
SPRING PINS – SLOTTED [METRIC SERIES]
Full-length parallel grooved pins, with chamfer (ISO 8740 : 1986) English version of DIN EN 28 740
ALLOY-STEEL AND STAINLESS STEEL BOLTING MATERIALS FOR LOW-TEMPERATUR SERVICE
Screw and washer assemblies – Coarse threaded screws with captive curved spring lock washer