BOLT, DOUBLE HEXAGON EXTENDED WASHER HEAD, PD SHANK, .250-28 UNJF-3A
Edition 2020-12-10

Aerospance series - Installation holes for inserts, screw thread, helical coil, self-locking - Design standard; German version EN 3044:1998
Edition 1998-07

Aerospace series - Aerospace design standard - Holes for locating pins; German and English version EN 3368:2008
Edition 2008-06

Metallic industrial piping - Part 9: Additional requirements for nickel and nickel alloys piping; German and English version prEN 13480-9:2018
Edition 2018-10

Aerospace series - Inserts, thin wall, self-locking - Design standard; German version EN 3676:1998
Edition 1998-02

Unfired pressure vessels - Part 10: Additional requirements for pressure vessels of nickel and nickel alloys; German version EN 13445-10:2021
Edition 2021-12

Aerospace series - Pure shear bolts with remote thread - Technical specification
Edition 2016-08

Aerospace series - Bolt, External Spiral Drive, flange head, tension and shear application; English version prEN 4892:2022
Edition 2022-06

Aerospace series - Filler metals for welding - Part 002: Authorized filler metals; German and English version EN 4877-002:2023
Edition 2023-08

Flanges and their joints - Gaskets for Class designated flanges - Part 7: Covered metal jacketed gaskets for use with steel flanges; German version EN 12560-7:2004
Edition 2004-09