Cross Recessed Countersunk (Oval) Head Screws (Countersunk Heads according to ISO)
Normally these screws are made in the sizes for which weight details are given.
If the screws are to be supplied with captive washer components, the designation must be augmented according to DIN 6900.
Recesses and recess penetration gauges according to DIN 7962.

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Metallic coatings – Electroplated coatings of zinc and zinc alloys on iron or steel with supplementary Cr(VI)-free treatment
Hexagon nuts and hexagon thin nuts
Prevailing torque type hexagon nuts with flange (with non-metallic insert), with metric fine pitch thread (ISO 12125: 1997, modified) English version of DIN EN 1666
METRIC HEX NUTS, STYLE 2
Spring Lock Washers Barbed or Plain with Rectangular Cross-section
Spring-Type Straight Pins (Roll Pins) Light-weight Type