When Glyn Chambers helped me rebuild my 3 speed motor (well he did all the tricky bits) we looked through his collection of c/s glands to find replacements for mine which had tiny radial cracks. As Dave says we found 1,2 or 3 holes or a slot and neither of us could think of a reason for the variation. Maybe even the Works didn’t know which was best? I can’t remember what we ended up with but it was for end float reasons rather than holes. And best wishes to everyone at this “holey” time of year (groan).
