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This document has been prepared by the Fasteners Standards Committee (FMV), Working Committee NA 067-00-08 AA "Verbindungselemente mit Sonderformen und aus Kunststoff" ("Fasteners with special elements and made of plastics"). This standard specifies the requirements for threaded T-head bolts M8 to M100×6 for fixing structural parts by means of T-slots, for example, in accordance with DIN 649, on foundations or other structures, where T-head bolts are considered adequate detachable fasteners.
This document replaces DIN 261:1987-01 .
This document has been replaced by: DIN 261:2024-12 .