You guys are probably sick of hearing me sing the praises of Lee Valley (They aren't paying me - I swear it!), but his bounced up and I can't help myself. How many times...
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Thank you for your e-mail. The Thread I.D. (Nut & Bolt Identifier), product # 09A0190, is actually made in China.
Regards,
Caroline Brisson
Internet Customer Service Representative


Yep. Made by S&W.
Here is a link from a year ago when I bought them.
http://www.garagejournal.com/forum/showthread.php?t=25619&highlight=thread
I have a set of "Check-A-Thread" They have a nut and bolt of each size mounted in a plastic T frame. Alot of the hardware stores around here have them attached close to there bolt bins. I like it when sorting the bucket of misc. nuts and bolts that get cleaned out of the tractors and equipment. My 6 year old nephew is starting to do the size checking and putting them away.
http://www.ruralking.com/check-a-thread-metric.html
http://www.garagejournal.com/forum/showthread.php?p=320220#post320220

thread gauge comes free in the tap and die set
I bought a sweet thread checker for $0.03, it's called a bolt.![]()

Those are older threads ? I use them everydayWhat I'd really love is one for the older British threads, CEI BSF etc.