Rail vehicles; self-discharging wagon with side-wall flaps; square for locking shaft
Edition 1987-03

Cycles - Pedal axle and crank assembly with square end fitting - Assembly dimensions (ISO 6695:2015)
Edition 2017-11

Assembly tools for screws and nuts - Nomenclature (ISO 1703:2018, modified)
Edition 2020-07

Flat countersunk head square neck bolts with long square
Edition 2010-09

Flat countersunk head square neck bolts with short square
Edition 2010-09

Aerospace series - Six lobe recess - Drivers, socket; German and English version EN 4355:2008
Edition 2009-01

Assembly tools for screws and nuts - Tee wrenches, male square - Technical specifications
Edition 2009-07

Bits with square drive for screws with internal serration, hand-operated
Edition 2002-10

Bits with square drive for hexagon socket screws, hand operated
Edition 2002-10

Agricultural machinery - Flat countersunk square neck bolts with short square
Edition 1995-10