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Pramet 6755237 Full Profile Negative Threading Insert, TN Insert, Triangular Shape, 28 TPI, External Thread, 55
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UN 1/4"x28 2xDo - 28 TPI Pitch UN DT3 Miniature Internal Carbide Thread Mill - (MilliPro Series - Vardex) | EW Equipment
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Kyocera - Single Point Theading Tool: 0.1575" Min Thread Dia, 20 to 28 TPI, 0.0394" Cut Depth, Internal, Solid Carbide - 50431485 - MSC Industrial Supply
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Amazon.com: TWP 1/2-36 TPI Thread Protector with 1/2-28 TPI Outside Thread, 1/2x36 TPI Change to 1/2x28 TPI Convertor. + 1/2x28 TPI Thread Protector and a Crush Washer, Aluminum 6061 Anodized Black : Industrial & Scientific
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1/2"-28 TPI -Blued Fluted Thread Protector - .750" Diameter X .500" Long - Sku#9330 - Hughes Precision LLC
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