Threads: metric or imperial.

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Forum topic by madts posted 04-04-2017 12:30 AM 447 views 0 times favorited 5 replies Add to Favorites Watch
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1872 posts in 2514 days

04-04-2017 12:30 AM

I wish that manufactures would indicate what threads are use in their products. Many times a nut or bolt is lost and trying to find a match can be a pain in the ass getting the right one. I even have some tools that have both. Also fine and coarse. not to mention Withworth threads.


-- Thor and Odin are still the greatest of Gods.

5 replies so far

View Rich's profile (online now)


3757 posts in 764 days

#1 posted 04-04-2017 12:58 AM

I broke down and bought one of the nut and bold thread checkers. Basically a male and female end for each of a number of common sizes and pitches that allow you to identify what your tool needs. There are several different choices out there regarding how many sizes are included, etc.

Here's one as an example.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

View MrUnix's profile


7005 posts in 2373 days

#2 posted 04-04-2017 12:59 AM

Almost every manual/parts diagram I have for my machines list them completely, and some even indicate what parts can be obtained at the local hardware store instead of having to get them from the mfg… at least for the bigger stuff. Small powered handtools, not so much.


-- Brad in FL - In Dog I trust... everything else is questionable

View jmartel's profile


8195 posts in 2325 days

#3 posted 04-04-2017 01:35 AM

I would suggest picking up a set of thread gauges as Rich has linked to. But I think it’s fairly safe to assume that it’s metric unless something is made in USA or possibly Canada (depending on date of manufacture).

My old Jeep had both imperial and metric fasteners on it. It was maddening.

-- The quality of one's woodworking is directly related to the amount of flannel worn.

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5597 posts in 2583 days

#4 posted 04-04-2017 03:19 AM

I feel your pain. Couple years back I got to have 1st dibs on a closing mechanics shop. Took 20 parts trays and two large parts bins full of nuts and bolts, metric and imperial. My neighbor has since declared my shop Mini Home Depot. LOL.

Good idea to have the thread checker, have had mine for years and was worth the money spent!

-- Live to tell the stories, they sound better that way.

View MrRon's profile


5139 posts in 3418 days

#5 posted 04-04-2017 07:45 PM

Pick up an assortment of Imperial and metric nuts and bolts, label them and keep them handy; shouldn’t cost you more than a couple of bucks.

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