I am installing a used Tri-Ex LM-354 crank up tower. Can anyone tell me the
proper grade of bolt (hardness) to use in this application. The LM-354 tower is
54 foot self supporting and will have a 3 element SteppIR for wind load. There
are three 3/4" bolts securing each leg to the steel ears sticking out of the
concrete base. I'm sure I can purchase the 3/4" bolts from Tashjian Tower in
California but shipping is very expensive. Tashjian wanted $400 shipping and
handling for getting the base to the east coast. I started looking through the
archives but did not see anything on bolts. Thanks, Ron W8RJL
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