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Author Topic: 3/8" Square Die  (Read 3347 times)

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Offline Danks

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3/8" Square Die
« on: January 02, 2018, 04:38:04 PM »
 This 3/8", 18TPI Die was given to me by a friend, cleaning out an old shed.
The only markings on it are " 3/8, R, W". I have never come across a die constructed in this manner before.
Can anyone shed some light on this item please.
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Offline gibsontool

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Re: 3/8" Square Die
« Reply #1 on: January 03, 2018, 09:15:08 AM »
New to me. Can't tell if it's riveted or bolted but either way I've never seen anything even close to that.
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Offline Lewill2

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Re: 3/8" Square Die
« Reply #2 on: January 03, 2018, 03:28:53 PM »
It is for pipe or conduit threads, 3/8-16 & 3/8-24 are standard bolt sizes.
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Offline Plyerman

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Re: 3/8" Square Die
« Reply #3 on: January 03, 2018, 05:06:49 PM »
The construction of that die is very unique. Four thread-cutting inserts, held in place by two stamped plates of steel riveted together. I've never seen anything like it before.
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Offline Danks

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Re: 3/8" Square Die
« Reply #4 on: January 04, 2018, 02:28:06 PM »
The front and rear plates are riveted together.
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Offline Nolatoolguy

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Re: 3/8" Square Die
« Reply #5 on: January 13, 2018, 08:37:37 PM »
Quote from: Plyerman on January 03, 2018, 05:06:49 PM
The construction of that die is very unique. Four thread-cutting inserts, held in place by two stamped plates of steel riveted together. I've never seen anything like it before.

+1
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