Machining a 70mm hole in steel

[Tony Pratt 1Participant @tonypratt1]

Posted by old mart on 24/12/2019 14:40:28:

That application will be better with a rough surface finish, the grip is better.

Hmm

Tony

[petro1headParticipant @petro1head]

Posted by old mart on 24/12/2019 14:40:28:

That application will be better with a rough surface finish, the grip is better.

Actually, no. It needs to slide up and down easily

What I did was relieve some of the bore so only 2 10mm section actually contact the post

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