I think the quote you had for your opening post is very reasonable.

Material costs mean very little nowadays to a machine shop for a job like this, but you chaps always seem to quote it.

The costs for any small, and 100 off is small, jobs is the time taken to set up plus use of the machine, then add on the cost of the machinists time. Around here £65 to £80 per hour, including setup time, is normal.

I will state that you would be very hard pressed to part off 100 pieces in an hour, plus most probably mutiple tool breakages as well, if you are not too proficient at parting off.

I would be unwilling to quote less than that price, even though I have 40 years machining experience, and can part off with the best of them. Any less than that, I would actually be doing the job as a loss leader, another name for a 'thank you' job.

Bogs