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How to find out bolt size for replacement nut?

sillywilly
Posts: 701 Forumite
Hi - if anyone could help I'd be grateful.
Have a garden table that has bolts through the legs. They were fastened on the back by these things that bit into the wood when you tightened up the bolt with an allen key.
However one of these biting things has come off and we have lost it. The bolt is threaded so I am assuming I can just get a nut - the problem is I don't know how to work out what size nut to get.
Anyone got an idea how I can measure the bolt to make sure I get the right nut?
Thanks in advance
Have a garden table that has bolts through the legs. They were fastened on the back by these things that bit into the wood when you tightened up the bolt with an allen key.
However one of these biting things has come off and we have lost it. The bolt is threaded so I am assuming I can just get a nut - the problem is I don't know how to work out what size nut to get.
Anyone got an idea how I can measure the bolt to make sure I get the right nut?
Thanks in advance
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Comments
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Take the bit you do have to the DIY shop with you, and test out in the shop?Breast Cancer Now 100 miles October 2022 100 / 100miles
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sillywilly wrote: »Hi - if anyone could help I'd be grateful.
Have a garden table that has bolts through the legs. They were fastened on the back by these things that bit into the wood when you tightened up the bolt with an allen key.
However one of these biting things has come off and we have lost it. The bolt is threaded so I am assuming I can just get a nut - the problem is I don't know how to work out what size nut to get.
Anyone got an idea how I can measure the bolt to make sure I get the right nut?
Thanks in advance
Hello sillywilly
What I would do is remove the nut from one of the other legs and take that to the DIY store.;) This will obviously leave the table very unstable, so turn the table upside down so that it's placed on the floor with the legs up in the air................until you get back home and fix the nuts back on the legs to make it stable. Then you can put the table upright again.
Regards
NileI’m a Forum Ambassador and I support the Forum Team on the 'I wanna' and 'In my home' and Health & Beauty'' boards.If you need any help on these boards, do let me know. Please note that Ambassadors are not moderators. Any posts you spot in breach of the Forum Rules should be reported via the report button, or by emailing forumteam@moneysavingexpert.com.All views are my own and not the official line of MoneySavingExpert.10 Dec 2007 - Led Zeppelin - I was there. :j :cool2: I wear my 50 (gold/red/white) blood donations pin badge with pride. Give blood, save a life.0 -
If you really want to identify the nut, you need to measure the number of threads per inch (imperial) or pitch (metric), then whether the thread angle is 55 (whitworth, BSF) or 60 degrees(metric or UNC/UNF) or even 47 (BA) and the external diameter of the bolt. Then look up a set of thread tables.
Much easier to take a spare nut to the shop0 -
or buy 1 of every nut that they do.0
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