Widia GTD K-2133 1/8-27 NPTF 5-Flute Semi-Bottom HSS Pipe Tap (5pc)
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This listing is for a lot of 5 new Widia GTD K-2133 pipe taps, each individually packaged, manufactured in the USA. Each tap is a 1/8-27 NPTF (National Pipe Taper Fuel) semi-bottom style with 5 flutes, constructed from high-speed steel (HSS), carrying Widia product number 16104. NPTF threads are cut to ANSI/ASME B1.20.3 standard and produce a pressure-tight, dryseal thread fit without requiring a sealant — making these taps essential for hydraulic, pneumatic, and fuel system fittings in steel, cast iron, aluminum, and brass. The semi-bottom (semi-plug) chamfer provides a balance between starting ease and thread depth, suitable for blind or through holes. The square drive shank is compatible with standard tap wrenches and machine tap holders.
Product Specifications
| Brand | Widia GTD |
| Manufacturer Part Number | K-2133 |
| Widia Catalog Number | 16104 |
| Thread Size | 1/8-27 |
| Thread Standard | NPTF (National Pipe Taper Fuel) |
| Tap Style | Semi-Bottom (Semi-Plug) |
| Number of Flutes | 5 |
| Material | High-Speed Steel (HSS) |
| Country of Origin | USA |
| Tap Type | Internal (Female) Thread Tap |
| Thread Form | Dryseal NPTF per ANSI/ASME B1.20.3 |
| Taper per Foot | 3/4 in/ft |
| Drive | Square Shank |
| Quantity | 5 pcs |
| Condition | New |