revrnd Posted September 18, 2017 Share Posted September 18, 2017 Fabbing a bracket to hold the spare tire on the utility trailer. The rims are 5 stud on what 'measures' to be a 4.25" bolt circle. Can anyone confirm if this is correct or what it actually is? TIA Link to comment Share on other sites More sharing options...
sledjunk Posted September 18, 2017 Share Posted September 18, 2017 Usually I have seen the bc to be either 4.5 or 5 inch. I have a gauge to measure BC if you need it. Link to comment Share on other sites More sharing options...
snapper Posted September 18, 2017 Share Posted September 18, 2017 48 minutes ago, sledjunk said: Usually I have seen the bc to be either 4.5 or 5 inch. I have a gauge to measure BC if you need it. http://littlemachineshop.com/mobile/bolt_circle.php Link to comment Share on other sites More sharing options...
bbakernbay Posted September 18, 2017 Share Posted September 18, 2017 16 minutes ago, snapper said: http://littlemachineshop.com/mobile/bolt_circle.php That is first class service. Excellent resource. Link to comment Share on other sites More sharing options...
Big Pussy Posted September 18, 2017 Share Posted September 18, 2017 Standard trailer bolt circle is 4.5" diameter. Old Ford and Chrysler pattern. BP Link to comment Share on other sites More sharing options...
catinental couch Posted September 19, 2017 Share Posted September 19, 2017 Correct BP. Link to comment Share on other sites More sharing options...
revrnd Posted September 19, 2017 Author Share Posted September 19, 2017 8 hours ago, snapper said: http://littlemachineshop.com/mobile/bolt_circle.php Thanks for the link. I was able to figure it out w/ a scale & dividers. Probably could've dug thru my Machinery's Handbook if I was designing something from scratch rather than copying the rim pattern. Link to comment Share on other sites More sharing options...
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