Chuck backplates with 1 : 4 Locating Taper; Basic Flanges
Edition 1968-08

Tools for moulding - Centring sleeves
Edition 2008-06

Boring for centring pins in hollow-drilled shafts of wheel sets
Edition 1977-04

Production in optical engineering - Centering bells - Part 1: With fitting thread
Edition 1997-09

Production in optical engineering - Centering bells - Part 2: With cylindrical fitting dimension 30 mm and 46 mm for inner connection
Edition 2001-08

Production in optical engineering - Centering bells - Part 3: With cylindrical fitting dimension 12 mm and 25 mm for outer connection
Edition 2001-07

Production in optical engineering - Spindles - Part 1: Spindles with fitting thread; inactive for new design
Edition 1997-09

Production in optical engineering - Spindles - Part 2: Spindles with clamping cylinder
Edition 2001-07

Production in optical engineering - Diamond impregnated centering discs and discs with special profiles
Edition 2012-11

Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 1: Couplers for tubes - Requirements and test procedures; German version EN 74-1:2022
Edition 2022-09