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Re: Torque on the head bolts?

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  • tew138@earthlink.net
    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
    Message 1 of 2 , Dec 1, 2001
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      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))
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