Reiff Nestor 46606 Pipe Tap 1/8-27 Npt 5 Flute Hss

Product Description

The REIFF NESTOR 46606 is a 1/8-27 NPT interrupted thread pipe tap machined from high-speed steel (HSS) with a bright, uncoated finish. The interrupted thread design reduces cutting friction and chip packing in blind or deep holes, making it a reliable choice for threading pipe fittings and port connections. It features 5 flutes, a regular hook geometry, and a 0.3125-inch shank diameter sized for standard tap holders and chucks. This tap is used by plumbers, pipefitters, machinists, and HVAC technicians when threading 1/8-inch NPT ports in metal components.

The 46606 is suited for tapping 1/8-27 NPT threads in ferrous and non-ferrous metals across residential, commercial, and light industrial applications. Common install scenarios include threading ports in manifolds, valve bodies, pressure fittings, and equipment housings. The 3/4-inch thread length and 5/16-inch projection accommodate typical pipe tap depth requirements without excess tool overhang. Series 114G identifies the tool family for reference when ordering replacements or matching to existing tooling sets.

Key Features

• 1/8-27 NPT thread form for standard tapered pipe connections
• Interrupted thread design reduces chip loading and cutting torque in deeper holes
• 5-flute geometry improves chip evacuation compared to 4-flute taps
• High-speed steel construction handles a wide range of metals without chipping
• Bright uncoated finish allows visual inspection of tool wear and edge condition
• Regular hook angle suits general-purpose tapping in hand and machine applications

Compatibility

Designed as a standard 1/8-27 NPT pipe tap compatible with tap holders, T-handles, and machine tap chucks accepting a 0.3125-inch round shank with a 0.234-inch square drive end.

Installation Notes

This tap is installed by machinists, pipefitters, or HVAC technicians using a tap wrench, T-handle, or machine spindle. Always use appropriate cutting fluid for the base metal being tapped to extend tool life and produce a cleaner thread form. Ensure the starting hole diameter and depth conform to NPT tap drill recommendations before beginning. Back the tap out periodically to clear chips, and never force a tap against binding resistance.