2015DIN ISO 2351-3:2015 Assembly tools for screws and nuts - Machine-operated screwdriver bits - Part 3: Screwdriver bits for hexagon socket screws (ISO 2351-3:2014)
2006DIN ISO 2351-3:2006 Assembly tools for screws and nuts - Machine-operated screwdriver bits - Part 3: Screwdriver bits for hexagon socket screws (ISO 2351-3:2002);English version of DIN ISO 2351-3:2006
1995DIN 7426:1995 Hexagon insert bits for hexagon socket screws