Torque values
Torque values
(OP)
Where is the best place to find recommended torque values for different bolt and thread sizes.
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RE: Torque values
http://ourworld.compuserve.com/homepages/MJVanVoorhis/techdata.htm
or Bolt Science
RE: Torque values
Edson Campos
edsoncampos@earthlink.net
RE: Torque values
RE: Torque values
many years ago and would be glad to fax it to you.
It has many grades of bolt on it and gives the values
for dry and lubed bolts.
My e-mail is j.geisey@juno.com if you are interested and
give me a fax number to send it to.
I think the values that are listed are for 75% of yield.
The chart is at work, so I am going on recall. The only
warning that I would give is that bolts beyond 1.25 inches
should be tested rather than relying on the charts i.e. take
the bolts to yield (a small sample) and then use 75% of this
value. Then again if you are using very sophisticated tightening method or equipment, you could you higher values depending on the tolerance error that the method provides.