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Deterco,
Inc. |
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PMC Lone Star has manufactured thread gages for over half a century. They meet and exceed A.P.I. specifications and are used as benchmark for calibration by the N.I.S.T. |
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L-Thread
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SIZE
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GO/NOTGO PLUG
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GO/NOTGO RING
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1/2-14
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SPL
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SPL
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3/8-18
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SPL
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SPL
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3/4-14
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SPL
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SPL
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