Re: Torque on the head bolts?
- A low strength, grade 2 (no marks on the head) bolt should be able
take 100 ft-lb (no lube on threads). If you're going to buy new
bolts, get grade 5 (3 slash marks) or better.
Tom in CA
--- In mill_drill@y..., gus_936id@y... wrote:
> Since the subject of the bolts has been brought up, how tight do you
> tighten the bolts?
> I've been tightening to roughly 60 ft-lbs with no noticable head
> movement (but I don't think I've come any where near the capacity of
> the machine. (RF-31 clone))