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Amazon.com: Micro 100 IAT-1800-12 Threading Tool - Acme, 12 TPI, 382" Min Bore Dia, 1.800" Max Bore Depth, 049" Offset, 085" Proj, 028" Flat, 1725" C-L Offset, 3/8" Shank Dia, 2-1/2" OAL,
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Micro 100 IAT-1250-12 Threading Tool - Acme, 12 TPI, 382" Min Bore Dia, 1-1/4" Max Bore Depth, 049" Offset, 085" Proj, 028" Flat, 1725" C-L Offset, 3/8" Shank Dia, 2-1/2" OAL, Uncoated:
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