1-800-723-5359

Metalworking Tools and Supplies

Shop

Express Order

Model # Qty

Info

Contact

Account

NPT Taper HS Pipe Taps

NPT Taper HS Pipe Taps

NPT (National Pipe Taper) taps have a taper of 3/4" per foot.
Ground Threads. High Speed Steel. Hand Taps.
This is the tap to use for ANPT applications.
NPT joints generally require a sealant.
NPTF (dryseal) is called for in high pressure situatuions.

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

Follow this link to see more technical info and dimensions of taper pipe threads on Wikipedia.

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

$5.90 NPT-1/16
1/16"-27 NPT HS Pipe Tap 1/16 - 27 --

$5.90 NPT-1/8
1/8"-27 NPT HS Pipe Tap 1/8 - 27 R

$5.90 NPT-1/8SS
1/8"-27 NPT HS Pipe Tap with small shank 1/8 - 27 R

$7.50 NPT-1/4
1/4"-18 NPT HS Pipe Tap 1/4 - 18 7/16"

$9.90 NPT-3/8
3/8"-18 NPT HS Pipe Tap 3/8 - 18 37/64"

$13.60 NPT-1/2
1/2"-14 NPT HS Pipe Tap 1/2 - 14 23/32"

$19.50 NPT-3/4
3/4"-14 NPT HS Pipe Tap 3/4 - 14 59/64"

$35.80 NPT-1
1"-11 1/2 NPT HS Pipe Tap 1 - 11 1/2 1-5/32"

$57.40 NPT-1-1/4
1 1/4"-11 1/2 NPT HS Pipe Tap 1 1/4 - 11 1/2 1-1/2"

$76.00 NPT-1-1/2
1 1/2"-11 1/2 NPT HS Pipe Tap 1 1/2 - 11 1/2 1-47/64"

$122.00 NPT-2
2"-11 1/2 NPT HS Pipe Tap 2 - 11 1/2 2-7/32"

$215.00 NPT-2-1/2
2 1/2"-8 NPT HS Pipe Tap 2 1/2 - 8 2-5/8"

$310.00 NPT-3
3"-8 NPT HS Pipe Tap 3 - 8 3-1/4"

$450.00 NPT-3-1/2
3 1/2"-8 NPT HS Pipe Tap 3 1/2 - 8 3-3/4"

$550.00 NPT-4
4"-8 NPT HS Pipe Tap 4 - 8 4-1/4"