Westward
Westward 5PXH6 Pipe Tap 1"-11-1/2 NPT 5 Flutes
Pipe tap cuts 1"-11-1/2 NPT threads with five flutes in high-speed steel
- TypeHole, Drill, Bore & Wire Gauges
- Cuts 1"-11 NPT threads with five-flute high-speed steel
- Taper design starts threads cleanly in pipe and conduit
- Right-hand cut suits standard threading operations
- 75 % thread engagement from 1.1406 in drill size
- Bright finish resists corrosion during storage
Westward NPT Pipe Tap 1"-11-1/2
This Westward pipe tap cuts internal NPT threads in pipe and conduit fittings. It is sized for a 1 inch nominal pipe thread with 11-1/2 threads per inch. The tool suits maintenance technicians and plumbers who need to create or repair tapered pipe threads on site or in the workshop.
Tapered 5-flute high-speed steel construction
The taper design starts threads easily and the five flutes clear chips efficiently during cutting. High-speed steel provides wear resistance for threading steel and iron pipe. A bright uncoated finish reduces friction. The right-hand cut matches standard NPT thread direction. The 75 percent thread drill size is 1.1406 in.
Class 3B fit for standard pipe connections
The tap produces a Class 3B fit suitable for general-purpose pressure-tight joints. Thread length measures 1 3/4 inches within an overall length of 3 3/4 inches. It is not intended for high-volume production threading or for non-NPT thread forms such as straight mechanical threads.
Highlights
- Cuts 1"-11 NPT threads with five-flute high-speed steel
- Taper design starts threads cleanly in pipe and conduit
- Right-hand cut suits standard threading operations
- 75 % thread engagement from 1.1406 in drill size
- Bright finish resists corrosion during storage
Specifications
| Brand | Westward |
|---|---|
| Type | Hole, Drill, Bore & Wire Gauges |
Questions about this item
How long can the 1"-11-1/2 NPT tap cut threads before the 5 flutes need resharpening?
The high-speed steel body with five flutes resists wear during repeated right-hand threading, but tool life depends on workpiece material, lubrication and cutting speed.
Does the bright uncoated finish cause the tap to run hot during all-day threading?
The uncoated high-speed steel dissipates heat through the five flutes; steady cutting fluid flow keeps temperature stable during continuous use.
What drill bit must I already own to prepare the hole for this tap?
A 1.1406 in drill produces the 75 percent thread depth required for the 1"-11-1/2 NPT thread form.
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