Wing nuts
The following amendments have been made in comparison with the December 1972 edition:
a) The dimensions of the wing nuts have been altered in some respects.
b) Limiting sizes have been adopted.
c) Sizes M 2 to M 3,5 have been deleted.
d) The technical delivery conditions have been complemented.
e) The contents of the standard have been revised editorially.
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ALLOY STEEL SOCKET BUTTON AND FLAT COUNTERSUNK HEAD CAP SCREWS [METRIC]
GROMMET, PLASTIC, EDGING
Product grade A washers with a hardness up to 250 HV designed for use with hexagon head bolts and nuts
Standard Specification for Surface Discontinuities of Bolts, Screws, and Studs, Inch and Metric Series
Screw and washer assemblies – Coarse threaded screws with captive curved spring lock washer
Hot rolled products of structural steels — Part 4: Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels