Engineering challenge

[unknownblogger]

Can anyone suggest how I might mate this:

Comments

[wzdd]

Dim the lights, put on some Barry White, maybe get a spa going...

(No, sorry)

[unknownblogger]

I was going to add something to pre-empt the comments about mating, but I was too late ;)

[wzdd]

I like to think that if you can't avoid making the stupid joke altogether you should at least make it quickly.

[unknownblogger]

Think of it as a community service... you're saving someone else the embarrassment of saying it out loud. I'm speaking as the authority on corny jokes here.

[damien_wise]

Like a sleeve and grub-screw arrangement, where the other end of the sleeve has a thread taped into it for the bolt?
That's how I visualise what you're describing.

I should get it sorted-out, since there's a couple of stepper-motor projects I've been meaning to build one of these days.