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Pipe Taps and Dies


NPT Taper HS Pipe Taps
NPT Taper HS Pipe TapsClick for a Bigger Picture
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 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

$7.10 NPT-1/4 1/4"-18 NPT HS Pipe Tap 1/4 - 18 7/16"

$8.90 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"

$31.50 NPT-1 1"-11 1/2 NPT HS Pipe Tap 1 - 11 1/2 1-5/32"

$49.60 NPT-1-1/4 1 1/4"-11 1/2 NPT HS Pipe Tap 1 1/4 - 11 1/2 1-1/2"

$68.20 NPT-1-1/2 1 1/2"-11 1/2 NPT HS Pipe Tap 1 1/2 - 11 1/2 1-47/64"

$109.00 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"

Regal NPT Taper HS Pipe Taps
Regal NPT Taper HS Pipe TapsClick for a Bigger Picture
Made in USA by Regal Cutting Tools.
A few sizes are made by Hanson-Whitney while our stock lasts.
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 explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Size-Thread Drill Size

$18.50 NPTR-1/16 1/16"-27 Regal Regal NPT HS Pipe Tap 1/16 - 27 --

$18.50 NPTR-1/8 1/8"-27 Regal NPT HS Pipe Tap 1/8 - 27 R

$20.50 NPTR-1/4 1/4"-18 Regal NPT HS Pipe Tap 1/4 - 18 7/16"

$27.00 NPTR-3/8 3/8"-18 Regal NPT HS Pipe Tap 3/8 - 18 37/64"

$43.00 NPTR-1/2 1/2"-14 Regal NPT HS Pipe Tap 1/2 - 14 23/32"

$60.00 NPTR-3/4 3/4"-14 Hanson Whitney NPT HS Pipe Tap 3/4 - 14 59/64"

$91.50 NPTR-1 1"-11 1/2 Hanson Whitney NPT HS Pipe Tap 1 - 11 1/2 1-5/32"

$130.00 NPTR-1-1/4 1 1/4"-11 1/2 Regal NPT HS Pipe Tap 1 1/4 - 11 1/2 1-1/2"

$175.00 NPTR-1-1/2 1 1/2"-11 1/2 Regal NPT HS Pipe Tap 1 1/2 - 11 1/2 1-47/64"

$237.00 NPTR-2 2"-11 1/2 Regal NPT HS Pipe Tap 2 - 11 1/2 2-7/32"

NPT Taper High Speed Round Pipe Dies
NPT Taper High Speed Round Pipe DiesClick for a Bigger Picture
High Speed Steel. Round, split, adjustable dies.

For cutting NPT (tapered) pipe threads.

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

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Pipe Size Threads per Inch Die O.D.

$9.30 RDPT-1/16-B 1/16-27 NPT 1" OD HS Pipe Die 1/16" NPT 27 1"

$9.30 RDPT-1/8-B 1/8-27 NPT 1" OD HS Pipe Die 1/8" NPT 27 1"

$17.10 RDPT-1/8-C 1/8-27 NPT 1-1/2" OD HS Pipe Die 1/8" NPT 27 1-1/2"

$17.10 RDPT-1/4-C 1/4-18 NPT 1-1/2" OD HS Pipe Die 1/4" NPT 18 1 1/2"

$17.10 RDPT-3/8-C 3/8-18 NPT 1-1/2" OD HS Pipe Die 3/8" NPT 18 1 1/2"

$31.70 RDPT-1/2-D 1/2-14 NPT 2" OD HS Pipe Die 1/2" NPT 14 2"

$31.70 RDPT-3/4-D 3/4-14 NPT 2" OD HS Pipe Die 3/4" NPT 14 2"

$51.00 RDPT-1-E 1"-11 1/2 NPT 2-1/2" OD HS Pipe Die 1" NPT 11 1/2 2-1/2"

$94.00 RDPT-1-1/4--F 1 1/4"-11 1/2 NPT 3" OD HS Pipe Die 1 1/4" NPT 11 1/2 3"

$94.00 RDPT-1-1/2-F 1 1/2"-11 1/2 NPT 3" OD HS Pipe Die 1 1/2" NPT 11 1/2 3"

$216.00 RDPT-2-H 2"-11 1/2 NPT 4" OD HS Pipe Die 2" NPT 11 1/2 4"

$295.00 RDPT-2-1/2-I 2 1/2"-8 NPT 5" OD HS Pipe Die 2 1/2" NPT 8 5"

$295.00 RDPT-3-I 3"-8 NPT 5" OD HS Pipe Die 3" NPT 8 5"

NPT Carbon Steel Hex Dies
NPT Carbon Steel Hex DiesClick for a Bigger Picture
Carbon Steel Hex Pipe Dies for National Pipe Taper threads.
For cleaning or repairing existing NPT threads.
Can be used with a common adjustable wrench.

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

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

$4.70 HDPT-1/8 1/8-27 NPT Carbon Steel Hex Die 1/8-27

$5.20 HDPT-1/4 1/4-18 NPT Carbon Steel Hex Die 1/4-18

$7.20 HDPT-3/8 3/8-18 NPT Carbon Steel Hex Die 3/8-18

$9.40 HDPT-1/2 1/2-14 NPT Carbon Steel Hex Die 1/2-14

$12.50 HDPT-3/4 3/4-14 NPT Carbon Steel Hex Die 3/4-14

$24.60 HDPT-1 1-11 1/2 NPT Carbon Steel Hex Die 1"-11 1/2

$32.70 HDPT-1-1/4 1 1/4-11 1/2 NPT Carbon Steel Hex Die 1 1/4"-11 1/2

$40.30 HDPT-1-1/2 1 1/2-11 1/2 NPT Carbon Steel Hex Die 1 1/2"-11 1/2

$88.00 HDPT-2 2"-11 1/2 NPT Carbon Steel Hex Die 2"-11 1/2

$154.00 HDPT-2-1/2 2 1/2-8 NPT Carbon Steel Hex Die 2 1/2"-8

NPS Straight Thread HS Pipe Taps
NPS Straight Thread HS Pipe TapsClick for a Bigger Picture
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 descrined as 1/8 IPS or 1/4 IPS.

The actual size of the thread is larger than the "nominal" size.
For example, 1/8-27 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 Pipe Diameter

$7.90 NPS-1/16 1/16"-27 NPS HS Straight Pipe Tap 1/16 - 27 -- .3125"

$8.90 NPS-1/8 1/8"-27 NPS HS Straight Pipe Tap 1/8 - 27 S .405"

$9.90 NPS-1/4 1/4"-18 NPS HS Straight Pipe Tap 1/4 - 18 29/64" .54"

$13.50 NPS-3/8 3/8"-18 NPS HS Straight Pipe Tap 3/8 - 18 19/32" .675"

$21.80 NPS-1/2 1/2"-14 NPS HS Straight Pipe Tap 1/2 - 14 47/64" .840"

$31.60 NPS-3/4 3/4"-14 NPS HS Straight Pipe Tap 3/4 - 14 15/16" 1.05"

$48.50 NPS-1 1"-11 1/2 NPS HS Straight Pipe Tap 1 - 11 1/2 1-3/16" 1.315"

$85.50 NPS-1-1/4 1 1/4"-11 1/2 NPS HS Straight Pipe Tap 1 1/4 - 11 1/2 1-33/64" 1.66"

$121.00 NPS-1-1/2 1 1/2"-11 1/2 NPS HS Straight Pipe Tap 1 1/2 - 11 1/2 1-3/4" 1.9"

$162.00 NPS-2 2"-11 1/2 NPS HS Straight Pipe Tap 2 - 11 1/2 2-7/32" 2.375"

$306.00 NPS-2-1/2 2 1/2"-8 NPS HS Straight Pipe Tap 2 1/2 - 8 2-21/32" 2.875"

$471.00 NPS-3 3"-8 NPS HS Straight Pipe Tap 3 - 8 3-9/32" 3.5"

$560.00 NPS-3-1/2 3-1/2"-8 NPS HS Straight Pipe Tap 3-1/2 - 8 - -

NPS Straight Pipe Dies
NPS Straight Pipe DiesClick for a Bigger Picture
High Speed Steel. Round, split, adjustable dies.

For cutting NPS (straight) pipe threads.

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

The actual size of the thread is larger than the "nominal" size.
For example, 1/8-27 NPS threads are 5/16" (.3125") in diameter.

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

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Pipe Size Threads per Inch Die O.D. Appx. Thread Diam.

$9.30 RDPS-1/16-B 1/16-27 NPS 1" OD HS Pipe Die 1/16" NPS 27 1" .3125"

$9.30 RDPS-1/8-B 1/8-27 NPS 1" OD HS Pipe Die 1/8" NPS 27 1" .405"

$17.10 RDPS-1/8-C 1/8-27 NPS 1-1/2" OD HS Pipe Die 1/8" NPS 27 1-1/2" .405"

$17.10 RDPS-1/4-C 1/4-18 NPS 1-1/2" OD HS Pipe Die 1/4" NPS 18 1-1/2" .54"

$17.10 RDPS-3/8-C 3/8-18 NPS 1-1/2" OD HS Pipe Die 3/8" NPS 18 1-1/2" .675"

$17.10 RDPS-1/2-C 1/2-14 NPS 1-1/2" OD HS Pipe Die 1/2" NPS 14 1-1/2" .840"

$31.70 RDPS-1/2-D 1/2-14 NPS 2" OD HS Pipe Die 1/2" NPS 14 2" .840"

$31.70 RDPS-3/4-D 3/4-14 NPS 2" OD HS Pipe Die 3/4" NPS 14 2" 1.05"

$51.00 RDPS-1-E 1"-11 1/2 NPS 2-1/2" OD HS Pipe Die 1" NPS 11 1/2 2-1/2" 1.315"

$94.00 RDPS-1-1/4-F 1 1/4"-11 1/2 NPS 3" OD HS Pipe Die 1 1/4" NPS 11 1/2 3" 1.66"

$112.00 RDPS-1-1/2-F 1 1/2"-11 1/2 NPS 3" OD Pipe Die 1 1/2" NPS 11 1/2 3" 1.9"

$241.00 RDPS-2-H 2"-11 1/2 NPS 4" OD HS Pipe Die 2" NPS 11 1/2 4" 2.375"

NPT Interrupted Thread HS Pipe Taps
NPT Interrupted Thread HS Pipe TapsClick for a Bigger Picture
NPT=3/4" per foot taper. Ground Threads. High Speed Steel.
Facilitates chip removal. Recommended for use in soft, ductile materials such as aluminum.
After the lead, every other thread in an interrupted thread pipe tap is removed to minimize the clogging of the threads.

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

$9.40 NPTI-1/16 1/16"-27 NPT HS Interrupted Pipe Tap 1/16 - 27 --

$9.40 NPTI-1/8 1/8"-27 NPT HS Interrupted Pipe Tap 1/8 - 27 R

$10.50 NPTI-1/4 1/4"-18 NPT HS Interrupted Pipe Tap 1/4 - 18 7/16"

$13.40 NPTI-3/8 3/8"-18 NPT HS Interrupted Pipe Tap 3/8 - 18 37/64"

$21.20 NPTI-1/2 1/2"-14 NPT HS Interrupted Pipe Tap 1/2 - 14 23/32"

$31.80 NPTI-3/4 3/4"-14 NPT HS Interrupted Pipe Tap 3/4 - 14 59/64"

$49.50 NPTI-1 1"-11 1/2 NPT HS Interrupted Pipe Tap 1 - 11 1/2 1-5/32"

$67.00 NPTI-1-1/4 1 1/4"-11 1/2 NPT HS Inter Pipe Tap 1 1/4 - 11 1/2 1-1/2"

$92.70 NPTI-1-1/2 1 1/2"-11 1/2 NPT HS Inter Pipe Tap 1 1/2 - 11 1/2 1-47/64"

$119.00 NPTI-2 2"-11 1/2 NPT HS Interrupted Pipe Tap 2 - 11 1/2 2-7/32"

Left Hand Carbon Steel NPT Taper Pipe Taps
Left Hand Carbon Steel NPT Taper Pipe TapsClick for a Bigger Picture
National Pipe Taper. NPT= 3/4" per foot taper.
Carbon Steel.
Special price, limited to quantity in stock.

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

$6.75 NPTCL-1/16 1/16"-27 Left Hand CS NPT Tap (LIMITED QUANTITY) 1/16 - 27

$6.75 NPTCL-1/8 1/8"-27 Left Hand CS NPT Tap (LIMITED QUANTITY) 1/8 - 27

$6.75 NPTCL-1/4 1/4"-18 Left Hand CS NPT Tap (LIMITED QUANTITY) 1/4 - 18

$9.25 NPTCL-3/8 3/8"-18 Left Hand CS NPT Tap (LIMITED QUANTITY) 3/8 - 18

$14.00 NPTCL-1/2 1/2"-14 Left Hand CS NPT Tap (LIMITED QUANTITY) 1/2 - 14

Carbon Steel NPT Pipe Taps
Carbon Steel NPT Pipe TapsClick for a Bigger Picture
NPT=3/4" per foot taper.
Carbon steel taps are good for general maintenance use, but will not last as long as High Speed Steel taps.

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

$3.70 NPTC-1/8 1/8"-27 NPT Carbon Steel Pipe Tap 1/8 - 27 R

$4.10 NPTC-1/4 1/4"-18 NPT Carbon Steel Pipe Tap 1/4 - 18 7/16"

$5.70 NPTC-3/8 3/8"-18 NPT Carbon Steel Pipe Tap 3/8 - 18 37/64"

$7.80 NPTC-1/2 1/2"-14 NPT Carbon Steel Pipe Tap 1/2 - 14 23/32"

$11.30 NPTC-3/4 3/4"-14 NPT Carbon Steel Pipe Tap 3/4 - 14 59/64"

$18.60 NPTC-1 1"-11 1/2 NPT Carbon Steel Pipe Tap 1 - 11 1/2 1-5/32"

$29.70 NPTC-1-1/4 1 1/4"-11 1/2 NPT Carbon Steel Pipe Tap 1 1/4 - 11 1/2 1-1/2"

$41.80 NPTC-1-1/2 1 1/2"-11 1/2 NPT Carbon Steel Pipe Tap 1 1/2 - 11 1/2 1-47/64"

$65.50 NPTC-2 2"-11 1/2 NPT Carbon Steel Pipe Tap 2 - 11 1/2 2-7/32"

Straight Tap Wrenches
Straight Tap WrenchesClick for a Bigger Picture
Straight-arm tap wrenches.
Straight tap wrenches provide greater force than t-handle tap wrenches.

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Hand Taps # Size Taps Pipe Taps MM Taps Approx. Length

$4.95 STW-A 1/16" - 1/4" Straight Tap Wrench 1/16" - 1/4" 0-14 - 1 -5mm 7"

$6.90 STW-B 1/16" - 3/8" Straight Tap Wrench 1/16" - 3/8" 4-14 1/16" 3 - 9mm 8"

$8.50 STW-C 5/32" - 1/2" Straight Tap Wrench 5/32" - 1/2" 7-14 1/16-1/8" 4 - 12mm 10-12" (varies)

$12.50 STW-D 3/16" - 3/4" Straight Tap Wrench 3/16" - 3/4" 10-14 1/16 - 1/4" 5 - 18mm 13"

$15.80 STW-E 1/4" - 1-1/8" Straight Tap Wrench 1/4" - 1 1/8" - 1/8 - 1/2" 6 - 28mm 19"

$45.50 STW-G 3/4" - 1 1/2" Straight Tap Wrench 3/4" - 1 1/2" - 3/8 - 1 1/4" 19 - 38mm 35"

$79.00 STW-H 1" - 2 1/2" Straight Tap Wrench 1" - 2 1/2" - 3/4 - 2" 25 -65mm 55"

Hex Die Adapters
Hex Die AdaptersClick for a Bigger Picture
Hex Die Adapters for round threading dies.
Convert round dies to hex dies, primarily to enable the use of a wrench on the die.
Great for tight spaces.

A 1" Hex Die Adapter holds 1" Outside Diameter (OD) dies, a HDA-2 holds 2" OD dies, etc.

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Holds Dies of OD:

$6.00 HDA-13/16 13/16" Hex Die Adaptor 13/16"

$7.70 HDA-1 1" Hex Die Adaptor 1"

$9.50 HDA-1-1/2 1 1/2" Hex Die Adaptor 1 1/2"

$10.70 HDA-2 2" Hex Die Adaptor 2"

$16.00 HDA-2-1/2 2 1/2" Hex Die Adaptor 2 1/2"

$27.50 HDA-3 3" Hex Die Adaptor 3"

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Victor Machinery Exchange, Inc.
56 Bogart Street
Brooklyn, NY 11206-3817


Phone: 800-723-5359
International: 718-366-9293
Fax: 718-366-7026
Email: Sales@victornet.com