: The standard typically requires a surface roughness ( Racap R sub a ) of approximately , unless otherwise specified on the technical drawing.

Standard zinc coatings on stainless steel or high-strength steel fasteners (property class 10.9 or 12.9) often suffer from galling—cold welding during tightening. The exclusive X02 top coat introduces a solid lubricant, allowing consistent clamp loads without anti-seize paste.

: The standard governing undercuts for turned parts and bores.