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22nd December 2005, 02:22 PM
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Maximum bend allowable tolerance on a three and a half inch truss head machine screw
What is the maximum bend allowable tolerance on a three and a half inch truss head machine screw? I know its in the fi standards, i cant seem to locate it. Yous have been very helpfull for me in other areas, seeing if anyone can help me now. Thank you in advance.
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22nd December 2005, 06:56 PM
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What are FI standards?
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22nd December 2005, 07:42 PM
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Originally Posted by jpolley
What is the maximum bend allowable tolerance on a three and a half inch truss head machine screw? I know its in the fi standards, i cant seem to locate it. Yous have been very helpfull for me in other areas, seeing if anyone can help me now. Thank you in advance. 
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You should be able to find the appropriate formulae in the Machinery Handbook.
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22nd December 2005, 07:48 PM
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Originally Posted by Marc
What are FI standards?
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My guess is the Industrial Fastener Institute.
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27th December 2005, 11:02 AM
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i did mean ifi, sorry.
my problem is, i have a three and a half inch truss head machine screw. this part gets heat treated and needs to stay within a .025 T.I.R. but do the ifi standards give you an allowable bend tolerance as well. thank you again in advance and hope everyone had a great holiday
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