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Posted: 10/2/2004 11:40:33 PM EST
Thread pitch/sizes....

What do the numbers 1/2-28 and 5/8-24 mean?

Half inch O.D. and 28 tpi?
5/8 inch and 24 tpi?


There is no standard spec on the length?
Link Posted: 10/2/2004 11:42:23 PM EST
Suppressors are either 1/2 x 28 or 1/2 x 32.

That's my two pennies. I don't know if the 1/2 refers to length instead of OD.
Link Posted: 10/3/2004 12:08:19 AM EST

Originally Posted By AZ-K9:
Thread pitch/sizes....

What do the numbers 1/2-28 and 5/8-24 mean?

Half inch O.D. and 28 tpi?
5/8 inch and 24 tpi?


There is no standard spec on the length?



That'd be correct, length of any threaded portion would be called out in specs/blueprints, as well as taper, etc. (as in pipe threads, which are tapered)
Link Posted: 10/3/2004 12:20:33 AM EST

Originally Posted By JB69:

Originally Posted By AZ-K9:
Thread pitch/sizes....

What do the numbers 1/2-28 and 5/8-24 mean?

Half inch O.D. and 28 tpi?
5/8 inch and 24 tpi?


There is no standard spec on the length?



That'd be correct, length of any threaded portion would be called out in specs/blueprints, as well as taper, etc. (as in pipe threads, which are tapered)




YUP, what he said....

Link Posted: 10/3/2004 4:02:45 AM EST
.500 Diam x 28 threads per inch. Od and number of threads per inch.
OAL would be any length you want
Link Posted: 10/3/2004 4:15:07 AM EST
Link Posted: 10/3/2004 4:38:41 AM EST
Link Posted: 10/3/2004 6:30:18 AM EST
Be aware that the cross section shape of the threads is important - not all 1/2 -28 threads are created equal and will not interchange, for example.
Link Posted: 10/3/2004 6:44:01 AM EST
Use a bigger wrench and a cheater bar...
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