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5/16-24 UNF Thread Plug gage 2B GO NOGO 100% calibrated T=GO Z=NOGO Ship by FedEx Delivery in 4 Days: Amazon.com: Industrial & Scientific
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1 1/2 12 UNF SPL SPECIAL SET THREAD PLUG GAGE 1.5 1.50 GO ONLY P.D. = 1.4425 - DW18253BP2 - M & J Tooling LLC
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