This standard BS ISO 11903:2008 Tools for pressing. Guide pillar mountings is classified in these ICS categories:
25.120.10 Forging equipment. Presses. Shears
This International Standard specifies the dimensions and tolerances, in millimetres, of guide pillar mountings intended for mounting with or without guide bush.
It also specifies the material and the designation of guide pillar mountings that are in accordance with its specifications.