English: In machining, the bearing surface describes the contact area between two objects used as datum. It is often the underside of a screw head (male seat, marked A) or a flat at the end of the screw thread (female seat, marked B). CAD model.
Norsk bokmål: Innen mekanikk er brystningen en kontaktflate mellom to objekter brukt som datum. Det er ofte undersiden av et skruehode (mannlig brystning, merket A) eller enden av gjengene (kvinnelig brystning, merket B).
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Captions
In machining, the bearing surface describes the contact area between two objects used as datum. It is often the underside of a screw head (male seat) or a flat at the end of the screw thread (female seat).