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NPS Straight Thread HS Pipe Taps

NPS Straight Thread HS Pipe Taps

Straight Pipe Taps. Ground Threads. High Speed Steel.

For cutting NPS (straight) pipe threads.

Besides use on pipes, NPS threads are frequently found on lamps and lighting fixtures.
You may see them described as 1/8 IPS or 1/4 IPS.

The actual size of the thread is larger than the "nominal" size.
For example, 1/16-27 NPS threads are 5/16" (.3125") in diameter.

Follow this link to see the corresponding Pipe Dies for these Taps..

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Size-Thread Drill Size Thread Diameter

$8.85 NPS-1/16
1/16"-27 NPS HS Straight Pipe Tap 0343-0003 1/16 - 27 -- .3125"

$9.95 NPS-1/8
1/8"-27 NPS HS Straight Pipe Tap 0343-0006 1/8 - 27 S .405"

$11.10 NPS-1/4
1/4"-18 NPS HS Straight Pipe Tap 0343-0011 1/4 - 18 29/64" .54"

$15.10 NPS-3/8
3/8"-18 NPS HS Straight Pipe Tap 0343-0016 3/8 - 18 19/32" .675"

$24.40 NPS-1/2
1/2"-14 NPS HS Straight Pipe Tap 0343-0021 1/2 - 14 47/64" .840"

$35.40 NPS-3/4
3/4"-14 NPS HS Straight Pipe Tap 0343-0026 3/4 - 14 15/16" 1.05"

$54.35 NPS-1
1"-11 1/2 NPS HS Straight Pipe Tap 0343-0031 1 - 11 1/2 1-3/16" 1.315"

$95.75 NPS-1-1/4
1 1/4"-11 1/2 NPS HS Straight Pipe Tap 0343-0036 1 1/4 - 11 1/2 1-33/64" 1.66"

$135.50 NPS-1-1/2
1 1/2"-11 1/2 NPS HS Straight Pipe Tap 0343-0041 1 1/2 - 11 1/2 1-3/4" 1.9"

$181.50 NPS-2
2"-11 1/2 NPS HS Straight Pipe Tap 0343-0046 2 - 11 1/2 2-7/32" 2.375"

$342.75 NPS-2-1/2
2 1/2"-8 NPS HS Straight Pipe Tap 0343-0050 2 1/2 - 8 2-21/32" 2.875"

$527.60 NPS-3
3"-8 NPS HS Straight Pipe Tap 0343-0055 3 - 8 3-9/32" 3.5"

$627.20 NPS-3-1/2
3-1/2"-8 NPS HS Straight Pipe Tap 0343-0060 3-1/2 - 8 - -