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History

Vischer & Bolli AG Machining and workholding
Teesing
Tameson
Stewart-Buchanan Gauges Ltd
StainlessSteelFittings.com
Harold G. Schaevitz Industries LLC
Cutwel
Century Drill & Tool, LLC
AutomationDirect Inc.

9 NPT Thread Manufacturers in 2024

This section provides an overview for npt threads as well as their applications and principles. Also, please take a look at the list of 9 npt thread manufacturers and their company rankings. Here are the top-ranked npt thread companies as of January, 2025: 1.StainlessSteelFittings.com, 2.Teesing, 3.Tameson.

Table of Contents

Supervisor of this article

1985-2014: Worked for Alstom Corporation, ABB Corporation, and Gadelius Corporation, designing Jungstrom air preheaters and mechanical design of diamond soot blowers. (ABB Corporation: https://new.abb.com/jp)
2014-2021: Worked as an engineering and project manager at Alvos Inc.
https://www.linkedin.com/in/yoichi-hiroki-92192394/

List of 9 NPT Thread Manufacturers

*Including some distributors, etc.

Sort by Features

  • Default
  • Company Size: largest first
  • Year Founded: oldest first
  • Year Founded: earliest first

Sort by Area

  • United States of America
  • Netherlands
  • Switzerland
  • United Kingdom
    • Harold G. Schaevitz Industries LLC
      • United States of America Address: 43996 Woodward Avenue, Suite 200 Bloomfield Hills, Michigan, United States of America

      Manufacturer Overview

      Harold G. Schaevitz Industries LLC, founded in 2006 and headquartered in Michigan, United States, is a developer, manufacturer, and distributor of sensors, instrumentation, and related products. The company's main products include a range of position, temperature, and pressure sensors. It also produces sensor accessories, instrumentation, and mechanical and electrical switches. It distributes TE connectivity macro sensors, such as ESI, and absolute process instruments. The company's products are used in the manufacturing, aerospace, and energy sectors, and also have applications in motorsports and military devices.

    • StainlessSteelFittings.com
      United States of America

      Distributor Overview

      StainlessSteelFittings.com, founded in 2000 and headquartered in Colorado, United States, is a reputable distributor of stainless fittings, adapters, stainless components, and various other stainless steel products. The company distributes various types of tubes, pipes, threaded adapters, hose ends, and hoses. These stainless products are available in both 304 and 316 steel materials, resistant to corrosion, and have minimal reactivity to almot all chemicals. The products are used in machinery, oil and gas, energy production, chemical manufacturing, marine, etc. It also provides on-site design and installation support by scheduling location visits. Moreover, comprehensive material traceability reports are available for every stainless fitting.

    • Teesing
      • Netherlands Address: Verrijn Stuartlaan 7 te Rijswijk, South Holland, Netherlands

      Manufacturer Overview

      Teesing, established in 1952, is a global manufacturer and supplier headquartered in Rijswijk, Netherlands specializing in the supply of fittings, valves, tubing, systems, and assemblies for industrial applications. The company’s product portfolio includes fittings, valves, tubing, systems and assemblies for industrial applications. They also provide solutions in pneumatics, hydraulics, instrumentation, and media transport catering to various industries including medical, water treatment, automotive, and more. The company offers engineering field support and can develop customized products and assemblies to meet the customer’s specifications. The company offers solutions worldwide with offices in the Netherlands, USA, China, and Taiwan.

    • Century Drill & Tool, LLC

      Company Overview

      Century Drill & Tool, LLC is a manufacturer and supplier of power tool accessories, hand tools, abrasives, and threading products is based in Green Bay, Wisconsin, USA and was established in 1940. The products are designed to perform under the greatest challenging industrial applications and are used by contractors, professionals, automotive shops, and do-it-yourselfers. It offers the largest selection of power tool accessories in the market and has a heritage of product quality. The company supports independent retailers and online platforms.

    • Vischer & Bolli AG Machining and workholding
      • Switzerland Address: Im Schossacher 17, Dübendorf, Zürich, Switzerland

      Distributor Overview

      Vischer & Bolli AG Machining and workholding, founded in Germany in 1957, is a supplier of drilling, deburring, and milling machines. The company's product portfolio includes flat drills, step drills, 3-lip drills, deep hole drills, and micro drills for every application of materials such as steel, cast iron, aluminum, stainless materials, stainless steel, and titanium. It also offers clamping products such as MasterGrips, Workpiece stops, Deflection clamping jaw, and Wedge clamping elements.

    • Tameson
      • Netherlands Address: Torenallee 20, 5617 BC, Eindhoven, Netherlands

      Distributor Overview

      Tameson was founded in 2013, in Eindhoven, the Netherlands as an online-based supplier and distributor of industrial products. The company offers a wide range of products, including valves, tubes and hoses, fittings, electrical accessories, and hydraulics. There are also Office supplies such as memory cards, cables, etc. along with measuring and controlling devices like thermometers, gauges, levels, and more. Industries such as Home and Garden, Food and Beverage, Automotive, HVAC, and Industrial Automation, amongst others, benefit from the products distributed by Tameson.

    • AutomationDirect Inc.

      Distributor Overview

      AutomationDirect.com was founded in 1994 to provide solutions for the industrial automation market and has been growing its list of offerings ever since. AutomationDirects’ extensive catalog includes individual components such as cables, various controls, I/O devices, relays, gauges, fittings, and sensors to complete systems. Many parts and devices, especially PLC units are customizable. AutomationDirect.com also provides support via video instructions, online manuals, a learning library, an active community forum to further assist customers.

NPT Thread Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the npt thread page as of January 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

Newly Established Company

  1. Tameson: 2013 (12 years ago)
  2. Vischer & Bolli AG Machining and workholding: 1957 (68 years ago)
  3. Teesing: 1952 (73 years ago)

Company with a History

  1. Teesing: 1952 (73 years ago)
  2. Vischer & Bolli AG Machining and workholding: 1957 (68 years ago)
  3. Tameson: 2013 (12 years ago)

NPT Thread Manufacturers in United States

*Including some distributors, etc.

Global Distribution of NPT Thread Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 2 33.3%
Netherlands Netherlands 2 33.3%
United Kingdom United Kingdom 1 16.7%
Switzerland Switzerland 1 16.7%

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List of NPT Thread Products

86 products found

86 products

PROFLEX Co., Ltd.

NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, NPT male thread x Rc female thread

190+ people viewing

Last viewed: 8 hours ago

Response Rate
100.0 %
Response Time
44.6 hours

◼︎Product overview This is an NPT thread fitting. NPT↔︎PT conversion fittings are also available. This is a fitting used to convert PT threads to N...

6 models listed

NR-0202 NPT1/8 male thread x Rc1/8-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, NPT male thread x Rc female thread
NR-0404 NPT1/4 male thread x Rc1/4-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, NPT male thread x Rc female thread
NR-0606 NPT3/8 male thread x Rc3/8-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, NPT male thread x Rc female thread
NR-0808 NPT1/2 male thread x Rc1/2-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, NPT male thread x Rc female thread
NR-1212 NPT3/4 male thread x Rc3/4-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, NPT male thread x Rc female thread
NR-1616 NPT1” Male thread x Rc1”-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, NPT male thread x Rc female thread

PROFLEX Co., Ltd.

Swaging joint 90° elbow (cutting hole x male thread) biting opening (mm) xNPT male thread

190+ people viewing

Last viewed: 8 hours ago

Response Rate
100.0 %
Response Time
44.6 hours

◼︎Product overview Stainless steel bite joint. Adopts double ferrule. Applicable to stainless steel pipes SUS316TP and SUS304TP. Can also be used w...

10 models listed

AWL-φ3xNPT1/8 male thread-Swaging joint 90° elbow (cutting hole x male thread) biting opening (mm) xNPT male thread
AWL-φ4xNPT1/8 male thread-Swaging joint 90° elbow (cutting hole x male thread) biting opening (mm) xNPT male thread
AWL-φ4xNPT1/4 male thread-Swaging joint 90° elbow (cutting hole x male thread) biting opening (mm) xNPT male thread
AWL-φ6xNPT1/8 male thread-Swaging joint 90° elbow (cutting hole x male thread) biting opening (mm) xNPT male thread
AWL-φ6xNPT1/4 male thread-Swaging joint 90° elbow (cutting hole x male thread) biting opening (mm) xNPT male thread
AWL-φ6xNPT3/8 male thread-Swaging joint 90° elbow (cutting hole x male thread) biting opening (mm) xNPT male thread

PROFLEX Co., Ltd.

NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, R male thread x NPT female thread

170+ people viewing

Last viewed: 11 hours ago

Response Rate
100.0 %
Response Time
44.6 hours

◼︎Product overview This is an NPT thread fitting. NPT↔︎PT conversion fittings are also available. This is a fitting used to convert PT threads to N...

6 models listed

NRC-0202 SUS R1/8xNPT1/8 female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, R male thread x NPT female thread
NRC-0404 SUS R1/4xNPT1/4 female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, R male thread x NPT female thread
NRC-0606 SUS R3/8xNPT3/8 female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, R male thread x NPT female thread
NRC-0808 SUS R1/2xNPT1/2 female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, R male thread x NPT female thread
NRC-1212 SUS R3/4xNPT3/4 female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, R male thread x NPT female thread
NRC-1616 SUS R1”xNPT1” female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, R male thread x NPT female thread

PROFLEX Co., Ltd.

NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, R male thread x NPT female thread

210+ people viewing

Last viewed: 1 minute ago

Response Rate
100.0 %
Response Time
44.6 hours

◼︎Product overview This is an NPT thread fitting. NPT↔︎PT conversion fittings are also available. This is a fitting used to convert PT threads to N...

6 models listed

NRC-0202 R1/8xNPT1/8 female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, R male thread x NPT female thread
NRC-0404 R1/4xNPT1/4 female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, R male thread x NPT female thread
NRC-0606 R3/8xNPT3/8 female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, R male thread x NPT female thread
NRC-0808 R1/2xNPT1/2 female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, R male thread x NPT female thread
NRC-1212 R3/4xNPT3/4 female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, R male thread x NPT female thread
NRC-1616 R1”xNPT1” female thread-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of brass, R male thread x NPT female thread

PROFLEX Co., Ltd.

NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, NPT male thread x Rc female thread

120+ people viewing

Last viewed: 11 hours ago

Response Rate
100.0 %
Response Time
44.6 hours

◼︎Product overview This is an NPT thread fitting. NPT↔︎PT conversion fittings are also available. This is a fitting used to convert PT threads to N...

6 models listed

NR-0202 SUS NPT1/8 male thread x Rc1/8-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, NPT male thread x Rc female thread
NR-0404 SUS NPT1/4 male thread x Rc1/4-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, NPT male thread x Rc female thread
NR-0606 SUS NPT3/8 male thread x Rc3/8-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, NPT male thread x Rc female thread
NR-0808 SUS NPT1/2 male thread x Rc1/2-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, NPT male thread x Rc female thread
NR-1212 SUS NPT3/4 male thread x Rc3/4-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, NPT male thread x Rc female thread
NR-1616 SUS NPT1” Male thread x Rc1”-NPT (for American pipes) threaded screw joint, male and female equal diameter NPT conversion socket, made of high pressure SUS304, NPT male thread x Rc female thread

PROFLEX Co., Ltd.

Swaging joint male branch cheese (two-way fitting x male thread) two-way fitting (mm) x NPT male thread

110+ people viewing

Last viewed: 3 hours ago

Response Rate
100.0 %
Response Time
44.6 hours

◼︎Product overview Stainless steel bite joint. Adopts double ferrule. Applicable to stainless steel pipes SUS316TP and SUS304TP. Can also be used w...

5 models listed

AWC-φ6xNPT1/8 male thread-Swaging joint male branch cheese (two-way fitting x male thread) two-way fitting (mm) x NPT male thread
AWC-φ6xNPT1/4 male thread-Swaging joint male branch cheese (two-way fitting x male thread) two-way fitting (mm) x NPT male thread
AWC-φ8xNPT1/4 male thread-Swaging joint male branch cheese (two-way fitting x male thread) two-way fitting (mm) x NPT male thread
AWC-φ10xNPT1/4 male thread-Swaging joint male branch cheese (two-way fitting x male thread) two-way fitting (mm) x NPT male thread
AWC-φ12xNPT3/8 male thread-Swaging joint male branch cheese (two-way fitting x male thread) two-way fitting (mm) x NPT male thread

PROFLEX Co., Ltd.

Swaging joint Male run cheese (2-way fitting x male thread) 2-way fitting (inch) x NPT male thread

60+ people viewing

Last viewed: 7 hours ago

Response Rate
100.0 %
Response Time
44.6 hours

◼︎Product overview Stainless steel bite joint. Adopts double ferrule. Applicable to stainless steel pipes SUS316TP and SUS304TP. Can also be used w...

PROFLEX Co., Ltd.

Swaging joint male run cheese (two-way fitting x male thread) two-way fitting (mm) x NPT male thread

80+ people viewing

Last viewed: 8 hours ago

Response Rate
100.0 %
Response Time
44.6 hours

◼︎Product overview Stainless steel bite joint. Adopts double ferrule. Applicable to stainless steel pipes SUS316TP and SUS304TP. Can also be used w...

2 models listed

AWD-φ6xNPT1/4 male thread-Swaging joint male run cheese (two-way fitting x male thread) two-way fitting (mm) x NPT male thread
AWD-φ8xNPT1/4 male thread-Swaging joint male run cheese (two-way fitting x male thread) two-way fitting (mm) x NPT male thread

PROFLEX Co., Ltd.

Swaging joint straight (biting opening x male thread) biting opening (mm) x NPT male thread

190+ people viewing

Last viewed: 7 hours ago

Response Rate
100.0 %
Response Time
44.6 hours

Stainless steel bite joint. Adopts double ferrule. Applicable to stainless steel pipes SUS316TP and SUS304TP. Can also be used with FE fluororesin ...

10 models listed

AWH-φ3xNPT1/8 male thread-Swaging joint straight (biting opening x male thread) biting opening (mm) x NPT male thread
AWH-φ3xNPT1/4 male thread-Swaging joint straight (biting opening x male thread) biting opening (mm) x NPT male thread
AWH-φ4xNPT1/8 male thread-Swaging joint straight (biting opening x male thread) biting opening (mm) x NPT male thread
AWH-φ4xNPT1/4 male thread-Swaging joint straight (biting opening x male thread) biting opening (mm) x NPT male thread
AWH-φ6xNPT1/8 male thread-Swaging joint straight (biting opening x male thread) biting opening (mm) x NPT male thread
AWH-φ6xNPT1/4 male thread-Swaging joint straight (biting opening x male thread) biting opening (mm) x NPT male thread

green. Com Japan Co., Ltd.

3/8” Tube Joint 3/8” Slip Lok with Female Thread 3/8” Slip Lok x 1/4” Female (NPT)

140+ people viewing

Last viewed: 4 hours ago

■Product overview Slip Lok joint parts for 3/8” tubes (nickel chrome finish).Can be used with normal water pressure up to 10.5MPa.Easy to connect a...

green. Com Japan Co., Ltd.

3/8” Tube Joint 3/8” Slip Lok with Male Thread 3/8” Slip Lok x 1/2” Male (NPT)

150+ people viewing

Last viewed: 22 hours ago

■Product overview Slip Lok joint parts for 3/8” tubes (nickel chrome finish).Can be used with normal water pressure up to 10.5MPa.Easy to connect a...

green. Com Japan Co., Ltd.

3/8” Tube Joint 3/8” Slip Lok with Male Thread 3/8” Slip Lok x 1/4” Male (NPT)

90+ people viewing

Last viewed: 4 hours ago

■Product overview Slip Lok joint parts for 3/8” tubes (nickel chrome finish).Can be used with normal water pressure up to 10.5MPa.Easy to connect a...

green. Com Japan Co., Ltd.

3/8” Tube Joint 3/8” Slip Lok with Male Thread 3/8” Slip Lok x 3/8” Male (NPT)

100+ people viewing

Last viewed: 4 hours ago

■Product overview Slip Lok joint parts for 3/8” tubes (nickel chrome finish).Can be used with normal water pressure up to 10.5MPa.Easy to connect a...

green. Com Japan Co., Ltd.

1/2" Low Pressure Tube Joint 1/2" Slip Lok x 1/2" Male (NPT) 90° Elbow (Brass)

150+ people viewing

Last viewed: 2 hours ago

■Product overview By using tubes for water supply pipes and using Slip Lok joints to connect tubes and attach nozzles, installation can be complete...

2 models listed

94131-1/2" Low Pressure Tube Joint 1/2" Slip Lok x 1/2" Male (NPT) 90° Elbow (Brass)
92544-1/2" Low Pressure Tube Joint 1/2" Slip Lok x 1/2" Male (NPT) 90° Elbow (Brass)

green. Com Japan Co., Ltd.

3/8” Tube Joint 3/8” Slip Lok with Male Thread 3/8” Slip Lok x 1/8” Male (NPT)

140+ people viewing

Last viewed: 22 hours ago

■Product overview Slip Lok joint parts for 3/8” tubes (nickel chrome finish).Can be used with normal water pressure up to 10.5MPa.Easy to connect a...

green. Com Japan Co., Ltd.

1/2" Low Pressure Tube Joint 1/2" Slip Lok x 3/8" Male (NPT)

110+ people viewing

Last viewed: 4 hours ago

■Product overview By using tubes for water supply pipes and using Slip Lok joints to connect tubes and attach nozzles, installation can be complete...

Flow Joint Co., Ltd.

6 Series Tube Fitting Female Connector – CF NPT Thread (3~25mm OD)

30+ people viewing

Last viewed: 11 hours ago

Response Rate
100.0 %
Response Time
48.1 hours

■Features ・Size: 1/16" to 2"/2mm to 50mm. ・A variety of materials and shapes can be selected. ・Reliably forms a seal using parts with high proce...

green. Com Japan Co., Ltd.

1/2" Low Pressure Tube Joint 1/2" Slip x 3/8" Male (NPT) Elbow (Brass)

120+ people viewing

Last viewed: 22 hours ago

■Product overview By using tubes for water supply pipes and using Slip Lok joints to connect tubes and attach nozzles, installation can be complete...

Flow Joint Co., Ltd.

Push-on hose NPT male thread end connection

40+ people viewing

Last viewed: 17 minutes ago

Response Rate
100.0 %
Response Time
48.1 hours

■Features ・Cover: Synthetic rubber with excellent weather resistance, abrasion resistance, and oil resistance Reinforcement: High-strength single-...

green. Com Japan Co., Ltd.

1/2" Low Pressure Tube Joint 1/2" Slip Lok x 1/2" Male (NPT)

110+ people viewing

Last viewed: 4 hours ago

■Product overview By using tubes for water supply pipes and using Slip Lok joints to connect tubes and attach nozzles, installation can be complete...

green. Com Japan Co., Ltd.

Slip Lok Joint Parts 1/4” Slip Lokx1/4” Male (NPT)

110+ people viewing

Last viewed: 2 hours ago

■Product overview By using tubes for water supply pipes and using Slip Lok joints to connect tubes and attach nozzles, installation can be complete...

green. Com Japan Co., Ltd.

Slip Lok Joint Parts 1/4” Slip Lok x1/8” Male (NPT)

100+ people viewing

Last viewed: 4 hours ago

■Product overview By using tubes for water supply pipes and using Slip Lok joints to connect tubes and attach nozzles, installation can be complete...

green. Com Japan Co., Ltd.

1/2" Low Pressure Tube Joint 1/2" Slip Lok x 1/2" Male (NPT) 45° Elbow (Brass)

80+ people viewing

Last viewed: 4 hours ago

■Product overview By using tubes for water supply pipes and using Slip Lok joints to connect tubes and attach nozzles, installation can be complete...

green. Com Japan Co., Ltd.

Slip Lok Joint Parts 1/8” Slip Lok x1/8” Female (NPT)

80+ people viewing

Last viewed: 4 hours ago

■Product overview By using tubes for water supply pipes and using Slip Lok joints to connect tubes and attach nozzles, installation can be complete...







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