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Drill America 1/8 in., 1/4 in., 3/8 in., 1/2 in., 3/4 in. and 1 in. Carbon Steel NPT Pipe Tap and Die Set (12-Piece) DWTNPT-SET - The Home Depot
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High Precision Taper Pipe Tap 1/8 - 27 High Speed Steel 1/8'' - 27 Npt Taper Pipe Thread Tap For Maintenance Repair Work - Tap & Die - AliExpress
IRWIN HANSON, 1/8"-28 Thread Size, 3/4 in Thread Lg, Pipe and Conduit Thread Tap - 19T150|1911ZR - Grainger
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OSG - 1/8-28 G(BSP) 2 to 3 Thread V Finish High Speed Steel 3-Flute British Standard Pipe Tap - 20067765 - MSC Industrial Supply
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BSP - Straight Flute Taps (ISO 2284)1/8"x28 BSP HSS TAP SET (G) ISO2284/1982 SHORT MACHINE - Presto International UK Limited
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XtremeAmazing Set of 5 HSS NPT Pipe Tap Set 1/8, 1/4, 3/8, 1/2 and 3/4 Inch: Amazon.com: Industrial & Scientific
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Regal Cutting Tools - 1/8-28 RC (BSPT) 4 Flute Bright Finish High Speed Steel British Standard Pipe Tap - 58855321 - MSC Industrial Supply
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Guhring - 1/8-28 G(BSP) Plug Sirius HSS-E 3-Flute British Standard Pipe Tap - 12267712 - MSC Industrial Supply
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