Top 51 Industrial Scientific Threaded Tube Fittings
Last Updated: Sep 7, 2024 • 13,543 reviews analyzed
Our most popular Industrial Scientific Threaded Tube Fittings products based on sales, online popularity and other expert reviews. Updated frequently.
![TAISHER 2PCS Forging of 304 Stainless Steel Reducer Hex Bushing, 1/2" Male NPT to 1/4" Female NPT, Reducing Forging Pipe Adapter Fitting](https://images-na.ssl-images-amazon.com/images/I/61ocdFaT1BL._AC_US320_.jpg)
TAISHER 2PCS Forging of 304 Stainless Steel Reducer Hex Bushing, 1/2" Male NPT to 1/4" Female NPT, Reducing Forging Pipe Adapter Fitting
![Litorange 3 PCS Metals Brass Couples Tube Fitting Half Union Gas Adapter 1/2" Flare x 1/2 Inch NPT Male Pipe Connector](https://images-na.ssl-images-amazon.com/images/I/61WxTEoHOuL._AC_US320_.jpg)
Litorange 3 PCS Metals Brass Couples Tube Fitting Half Union Gas Adapter 1/2" Flare x 1/2 Inch NPT Male Pipe Connector
![Pilot Tubing w/ Compression Fittings, 22-3/4" Long](https://images-na.ssl-images-amazon.com/images/I/31Iavj526EL._AC_US320_.jpg)
Pilot Tubing w/ Compression Fittings, 22-3/4" Long
![Ice Maker Water Line Brass Compression Tube Fitting, 1/4” OD x 1/4” OD (2)](https://images-na.ssl-images-amazon.com/images/I/41XGL4HYoEL._AC_US320_.jpg)
Ice Maker Water Line Brass Compression Tube Fitting, 1/4” OD x 1/4” OD (2)
![Maxline M8003 Straight Fitting for 3/4-Inch Tubing with 3/4-Inch Male NPT Thread](https://images-na.ssl-images-amazon.com/images/I/61uzGMbnykL._AC_US320_.jpg)
Maxline M8003 Straight Fitting for 3/4-Inch Tubing with 3/4-Inch Male NPT Thread
![Joywayus 1/4 Male Pipe Thread x 1"-20 Female Universal Fit 1-lb Tank Throwaway Cylinder Thread Solid Brass Fitting](https://images-na.ssl-images-amazon.com/images/I/51iBwBJkqcL._AC_US320_.jpg)
Joywayus 1/4 Male Pipe Thread x 1"-20 Female Universal Fit 1-lb Tank Throwaway Cylinder Thread Solid Brass Fitting
![Anderson Metals - 50064-06 50064 Brass Compression Tube Fitting, Tee, 3/8" x 3/8" x 3/8" Tube OD](https://images-na.ssl-images-amazon.com/images/I/71m-JwzW3+L._AC_US320_.jpg)
Anderson Metals - 50064-06 50064 Brass Compression Tube Fitting, Tee, 3/8" x 3/8" x 3/8" Tube OD
![Joywayus 3/4 NPT Threaded Brass Pipe Fitting Tee T 3 way 3/4 NPT Female × 3/4 NPT Female × 3/4 NPT Female Adapter](https://images-na.ssl-images-amazon.com/images/I/61pGzURNtGL._AC_US320_.jpg)
Joywayus 3/4 NPT Threaded Brass Pipe Fitting Tee T 3 way 3/4 NPT Female × 3/4 NPT Female × 3/4 NPT Female Adapter
![Brennan Industries 4604-06-06-O Steel Straight Adapter, 9/16"-18 ORB Thread, 3/8" Hose Barb x 9/16"-18 Male O-Ring Boss, 0.687" Hex](https://images-na.ssl-images-amazon.com/images/I/31s3HJj-LUL._AC_US320_.jpg)
Brennan Industries 4604-06-06-O Steel Straight Adapter, 9/16"-18 ORB Thread, 3/8" Hose Barb x 9/16"-18 Male O-Ring Boss, 0.687" Hex
![Brennan Industries 2115-06-06-B Brass Straight Tube Fitting, 3/8" Hose x 5/8"-18 Male Inverted Flare Swivel Straight Brass](https://images-na.ssl-images-amazon.com/images/I/51f57Mi+oOL._AC_US320_.jpg)
Brennan Industries 2115-06-06-B Brass Straight Tube Fitting, 3/8" Hose x 5/8"-18 Male Inverted Flare Swivel Straight Brass
![NYSUS 3/4 inch Equal Elbow Fitting, Tube Fitting for 3/4 Inch Tubing System,2 Pack](https://images-na.ssl-images-amazon.com/images/I/8173aHYF9eL._AC_US320_.jpg)
NYSUS 3/4 inch Equal Elbow Fitting, Tube Fitting for 3/4 Inch Tubing System,2 Pack
![HongBoW 1/4 BSPT Male x 1/4 NPT Female Brass Pipe Fitting Adapter BSP NPT Adapter British to US Gauge Sensor Sender Adapter Reducer](https://images-na.ssl-images-amazon.com/images/I/51mRiCzKz8L._AC_US320_.jpg)
HongBoW 1/4 BSPT Male x 1/4 NPT Female Brass Pipe Fitting Adapter BSP NPT Adapter British to US Gauge Sensor Sender Adapter Reducer
![M22 x 1.5 Stainless Steel 304 Female Threaded Stepped Weld Bung Metric Mounting Boss Fitting (OD 1-1/4") with Top Head (OD 1.5")](https://images-na.ssl-images-amazon.com/images/I/71dx71T28dL._AC_US320_.jpg)
M22 x 1.5 Stainless Steel 304 Female Threaded Stepped Weld Bung Metric Mounting Boss Fitting (OD 1-1/4") with Top Head (OD 1.5")
![JoyTube 1/4" Male to 1/4" Male NPT Hex Nipple 304 Stainless Steel Threaded Pipe Fittings (Pack of 5)](https://images-na.ssl-images-amazon.com/images/I/61o-E8w3A+L._AC_US320_.jpg)
JoyTube 1/4" Male to 1/4" Male NPT Hex Nipple 304 Stainless Steel Threaded Pipe Fittings (Pack of 5)
![AdaptAll 9235-10X1.25-02 Series 9235 Carbon Steel Straight Adapter, M10X1.25 Male Metric x 1/8"-27 Female NPT, Metric x NPT, Carbon Steel](https://images-na.ssl-images-amazon.com/images/I/61keSFLDbgL._AC_US320_.jpg)
AdaptAll 9235-10X1.25-02 Series 9235 Carbon Steel Straight Adapter, M10X1.25 Male Metric x 1/8"-27 Female NPT, Metric x NPT, Carbon Steel
![Brennan Industries 6405-10-08-O Steel Straight Tube Fitting, 7/8"-14 SAE ORB x 1/2"-14 NPTF Thread, 5/8" Male O-Ring Boss x 5/8" Female NPTF](https://images-na.ssl-images-amazon.com/images/I/619metWcFUL._AC_US320_.jpg)
Brennan Industries 6405-10-08-O Steel Straight Tube Fitting, 7/8"-14 SAE ORB x 1/2"-14 NPTF Thread, 5/8" Male O-Ring Boss x 5/8" Female NPTF
![Hgzaccompany Brass Tube Flare Fittings,Union Connector Gas Adapter, Brass Tube Coupler 3/8 inch Male Flare to 1/4 inch Female NPT 2 Pack](https://images-na.ssl-images-amazon.com/images/I/51MSaMN48kL._AC_US320_.jpg)
Hgzaccompany Brass Tube Flare Fittings,Union Connector Gas Adapter, Brass Tube Coupler 3/8 inch Male Flare to 1/4 inch Female NPT 2 Pack
![CDQBWKJGFJ 1 Piece 1/8" BSPT Male Pipe To 1/8" NPT Female Pressure Gauge Sensor Adapter Stainless 304 Pipe Fitting](https://images-na.ssl-images-amazon.com/images/I/31AnUNrTnEL._AC_US320_.jpg)
CDQBWKJGFJ 1 Piece 1/8" BSPT Male Pipe To 1/8" NPT Female Pressure Gauge Sensor Adapter Stainless 304 Pipe Fitting
![Brass Thread Adapter, 1/8" BSPT Male X 1/8" NPT Female (NPT x BSPT), (2 Pack)](https://images-na.ssl-images-amazon.com/images/I/41lx0BuUMWL._AC_US320_.jpg)
Brass Thread Adapter, 1/8" BSPT Male X 1/8" NPT Female (NPT x BSPT), (2 Pack)
![YZMSZ 3/8" Female Thread Adapter Quick Connect Fitting Water Purifiers Filters Reverse Osmosis Systems Accessories Set of 5 (1/2" female thread x 3/8" OD tube)](https://images-na.ssl-images-amazon.com/images/I/41BxJDnuDrL._AC_US320_.jpg)
YZMSZ 3/8" Female Thread Adapter Quick Connect Fitting Water Purifiers Filters Reverse Osmosis Systems Accessories Set of 5 (1/2" female thread x 3/8" OD tube)
![TAISHER 1PCS Stainless Steel Pipe Fittings, 3/8" NPT Male x 3/8" NPT Female Threaded, 16" Length Nipple Cast Pipe](https://images-na.ssl-images-amazon.com/images/I/41YFwTTQlOL._AC_US320_.jpg)
TAISHER 1PCS Stainless Steel Pipe Fittings, 3/8" NPT Male x 3/8" NPT Female Threaded, 16" Length Nipple Cast Pipe
![TAISHER 2PCS Forging of 304 Stainless Steel Fitting, Reducer Adapter, 1/4" NPT Male x 1/4" G Thread (BSP) Female](https://images-na.ssl-images-amazon.com/images/I/61dHkWZ9alL._AC_US320_.jpg)
TAISHER 2PCS Forging of 304 Stainless Steel Fitting, Reducer Adapter, 1/4" NPT Male x 1/4" G Thread (BSP) Female
![BAOMEI PVC Garden Hose Adapter, 1 1/4" Male NPT to 3/4" Female GHT (Male 1.25" NPT x 3/4" GHT) for Sump and Pool Pumps (Available 1.5" and 1.25" Adapters)](https://images-na.ssl-images-amazon.com/images/I/61oSb28m1GL._AC_US320_.jpg)
BAOMEI PVC Garden Hose Adapter, 1 1/4" Male NPT to 3/4" Female GHT (Male 1.25" NPT x 3/4" GHT) for Sump and Pool Pumps (Available 1.5" and 1.25" Adapters)
![Joywayus Hex Nipple 1/2" NPT Male x 1/2" NPT Male Threaded Stainless Steel 304 Threaded Nipple Pipe Fittings for Brew Kit Home Piping (Pack of 5)](https://images-na.ssl-images-amazon.com/images/I/51kUKnbvQVS._AC_US320_.jpg)
Joywayus Hex Nipple 1/2" NPT Male x 1/2" NPT Male Threaded Stainless Steel 304 Threaded Nipple Pipe Fittings for Brew Kit Home Piping (Pack of 5)
![Hooshing 2PCS 3/8" NPT Stainless Steel Hex Nipple 3/8" Male to Male NPT Thread Pipe Fittings (5/8" x 5/8" Thread OD)](https://images-na.ssl-images-amazon.com/images/I/61vVb1y+2uL._AC_US320_.jpg)
Hooshing 2PCS 3/8" NPT Stainless Steel Hex Nipple 3/8" Male to Male NPT Thread Pipe Fittings (5/8" x 5/8" Thread OD)
![Maxline M8002 Straight Fitting for 1/2-Inch Tubing with 1/2-Inch Male NPT Thread](https://images-na.ssl-images-amazon.com/images/I/71I7r-rQhxL._AC_US320_.jpg)
Maxline M8002 Straight Fitting for 1/2-Inch Tubing with 1/2-Inch Male NPT Thread
![Joytube 10 Pcs Brass Pipe fittings, 1/4" x 1/4" NPT Male Hex Nipple adapter coupler](https://images-na.ssl-images-amazon.com/images/I/61qE8ZJYDnL._AC_US320_.jpg)
Joytube 10 Pcs Brass Pipe fittings, 1/4" x 1/4" NPT Male Hex Nipple adapter coupler
![LTWFITTING Brass 5/16" OD Flare Cap, Brass Flare Tube Fitting(Pack of 10)](https://images-na.ssl-images-amazon.com/images/I/71RRwABX87L._AC_US320_.jpg)
LTWFITTING Brass 5/16" OD Flare Cap, Brass Flare Tube Fitting(Pack of 10)
![Beduan Stainless Steel Thread Adapter NPT 1/4" Female to M10x1.0 Male Pipe Fitting Converter](https://images-na.ssl-images-amazon.com/images/I/51G1B4E32KL._AC_US320_.jpg)
Beduan Stainless Steel Thread Adapter NPT 1/4" Female to M10x1.0 Male Pipe Fitting Converter
![Horiznext 3/4 npt Stainless Steel fitting, home brew adapter female threaded pipe cast coupling for plumbing tubing shower hose water heating extender](https://images-na.ssl-images-amazon.com/images/I/51a9vYuHzFL._AC_US320_.jpg)
Horiznext 3/4 npt Stainless Steel fitting, home brew adapter female threaded pipe cast coupling for plumbing tubing shower hose water heating extender
![John Guest Acetal Copolymer Tube Fitting, Union Elbow, 1/2" Tube OD (Pack of 10)](https://images-na.ssl-images-amazon.com/images/I/71fhzUdfIqL._AC_US320_.jpg)
John Guest Acetal Copolymer Tube Fitting, Union Elbow, 1/2" Tube OD (Pack of 10)
![Metaland Stainless Steel M18 x 1.5 Plug with Outer Hex Head Universal Fit (Pack of 2)](https://images-na.ssl-images-amazon.com/images/I/61A8sERmX7L._AC_US320_.jpg)
Metaland Stainless Steel M18 x 1.5 Plug with Outer Hex Head Universal Fit (Pack of 2)
![Redrock Performance 3/4 inch Equal Tee Fitting, 2 Pack Tubing fitting for 3/4" (25mm OD) Tubing System,Black](https://images-na.ssl-images-amazon.com/images/I/715gJ2-L7rL._AC_US320_.jpg)
Redrock Performance 3/4 inch Equal Tee Fitting, 2 Pack Tubing fitting for 3/4" (25mm OD) Tubing System,Black
![3/8" NPT Stainless Steel 304 Female Threaded Stepped Weld Bung with Top Head (3/8" NPT)](https://images-na.ssl-images-amazon.com/images/I/51JzENH3JFL._AC_US320_.jpg)
3/8" NPT Stainless Steel 304 Female Threaded Stepped Weld Bung with Top Head (3/8" NPT)
![Joywayus 2PCS Brass 45 Degrees Elbow Pipe Fittings 1/4"NPT Male to 1/4"NPT Female Brass Fittings](https://images-na.ssl-images-amazon.com/images/I/61DaXRVM5zL._AC_US320_.jpg)
Joywayus 2PCS Brass 45 Degrees Elbow Pipe Fittings 1/4"NPT Male to 1/4"NPT Female Brass Fittings
![Brennan Industries 5503-06-06-FG Forged Steel 45 Degree Street Elbow Tube Fitting, 3/8"-18 NPTF x 3/8"-18 NPTF Thread, 3/8" Male NPTF x 3/8" Female NPTF](https://images-na.ssl-images-amazon.com/images/I/61h+c149xzL._AC_US320_.jpg)
Brennan Industries 5503-06-06-FG Forged Steel 45 Degree Street Elbow Tube Fitting, 3/8"-18 NPTF x 3/8"-18 NPTF Thread, 3/8" Male NPTF x 3/8" Female NPTF
![Anderson Metals-38110-2416 Brass Threaded Pipe Fitting, Hex Bushing, 1-1/2" Male x 1 " Female](https://images-na.ssl-images-amazon.com/images/I/71mABnD2e6L._AC_US320_.jpg)
Anderson Metals-38110-2416 Brass Threaded Pipe Fitting, Hex Bushing, 1-1/2" Male x 1 " Female
![John Guest Acetal Copolymer Tube Fitting, Straight Adaptor, 1/4" Tube OD x 1/4" NPTF Male (Pack of 10)](https://images-na.ssl-images-amazon.com/images/I/61embsf6ctL._AC_US320_.jpg)
John Guest Acetal Copolymer Tube Fitting, Straight Adaptor, 1/4" Tube OD x 1/4" NPTF Male (Pack of 10)
![uxcell Pipe Fitting Reducer Adapter 1/8" NPT Male x 1/8" NPT Female for Water Oil Air Pressure Gauge Temp Sensor, Stainless Steel](https://images-na.ssl-images-amazon.com/images/I/717VIs80Q1L._AC_US320_.jpg)
uxcell Pipe Fitting Reducer Adapter 1/8" NPT Male x 1/8" NPT Female for Water Oil Air Pressure Gauge Temp Sensor, Stainless Steel
![Yemtuls Brass Pipe Fitting Adapter 1/8 BSPT Male x 1/8 Female NPT Adapter British to US Gauge Sensor Sender Adapter Reducer Pack of 3](https://images-na.ssl-images-amazon.com/images/I/41s1eS+1sIL._AC_US320_.jpg)
Yemtuls Brass Pipe Fitting Adapter 1/8 BSPT Male x 1/8 Female NPT Adapter British to US Gauge Sensor Sender Adapter Reducer Pack of 3
![Round Plastic Threaded Tube Inserts - 4 Pack Threaded 1"(OD) Round Plastic Tubing Insert 1/4-20 Threads - Threaded Tubing Inserts Threaded Tube Inserts Round Tubing Inserts](https://images-na.ssl-images-amazon.com/images/I/613NbJISayL._AC_US320_.jpg)
Round Plastic Threaded Tube Inserts - 4 Pack Threaded 1"(OD) Round Plastic Tubing Insert 1/4-20 Threads - Threaded Tubing Inserts Threaded Tube Inserts Round Tubing Inserts
![PureSec Plastic Reusable Push to Connect Fitting Female threaded Tube Fittings Adapter 1/4" Female x 1/4" Tube OD for RODI System (10, 1/4"OD*1/4"Female Thread)](https://images-na.ssl-images-amazon.com/images/I/61bz5MDgMXL._AC_US320_.jpg)
PureSec Plastic Reusable Push to Connect Fitting Female threaded Tube Fittings Adapter 1/4" Female x 1/4" Tube OD for RODI System (10, 1/4"OD*1/4"Female Thread)
![Brennan Industries 6408-H05-O Steel Hollow Hex Plug Tube Fitting, 1/2"-20 SAE ORB Thread, 5/16" Male O-Ring Boss](https://images-na.ssl-images-amazon.com/images/I/51rQOpW6HeL._AC_US320_.jpg)
Brennan Industries 6408-H05-O Steel Hollow Hex Plug Tube Fitting, 1/2"-20 SAE ORB Thread, 5/16" Male O-Ring Boss
![LASCO 19-6181 Thread Adapter for Faucet Connection Push-in Fitting with 1/4-Inch OD Tube and 1/4-Inch Compression Female Thread, Plastic](https://images-na.ssl-images-amazon.com/images/I/6131wOPmSrL._AC_US320_.jpg)
LASCO 19-6181 Thread Adapter for Faucet Connection Push-in Fitting with 1/4-Inch OD Tube and 1/4-Inch Compression Female Thread, Plastic
![LIONMAX Brass Pipe Fittings 2 PCS, 1/2 Inch NPT Male X 1/4 Inch NPT Female, Hex Bushing Reducer Threaded Adapter, with Sealing Tape](https://images-na.ssl-images-amazon.com/images/I/61iEDIbW7OL._AC_US320_.jpg)
LIONMAX Brass Pipe Fittings 2 PCS, 1/2 Inch NPT Male X 1/4 Inch NPT Female, Hex Bushing Reducer Threaded Adapter, with Sealing Tape
![Brennan Industries 2115-06-05-B Brass Straight Tube Fitting, 3/8" Hose x 1/2"-20 Male Inverted Flare Swivel Straight Brass](https://images-na.ssl-images-amazon.com/images/I/51f57Mi+oOL._AC_US320_.jpg)
Brennan Industries 2115-06-05-B Brass Straight Tube Fitting, 3/8" Hose x 1/2"-20 Male Inverted Flare Swivel Straight Brass
![Joywayus Brass Water Meter Pipe Fitting Hex Nipple 3/4” NPS Male x 1” NPS Female Threaded 61mm Length Connector Water Meter With Seal Washer](https://images-na.ssl-images-amazon.com/images/I/51bDlMWrsIL._AC_US320_.jpg)
Joywayus Brass Water Meter Pipe Fitting Hex Nipple 3/4” NPS Male x 1” NPS Female Threaded 61mm Length Connector Water Meter With Seal Washer
![Anderson Metals - 80300-32 Red Brass Pipe Fitting, Close Nipple, 2" NPT Male, 2" Length](https://images-na.ssl-images-amazon.com/images/I/81rWY0WO90L._AC_US320_.jpg)
Anderson Metals - 80300-32 Red Brass Pipe Fitting, Close Nipple, 2" NPT Male, 2" Length
![CDQBWKJGFJ 1 Piece M22X1.5 Male to 1/2 Male NPT Hex Nipple Metric Pipe Fitting Gauge Adapter](https://images-na.ssl-images-amazon.com/images/I/317+ZkASjdL._AC_US320_.jpg)
CDQBWKJGFJ 1 Piece M22X1.5 Male to 1/2 Male NPT Hex Nipple Metric Pipe Fitting Gauge Adapter
![Brennan Industries 6408-04-O Steel External Hex Plug Tube Fitting, 7/16"-20 SAE ORB Thread, 1/4" Male O-Ring Boss](https://images-na.ssl-images-amazon.com/images/I/51Ly-mTncBL._AC_US320_.jpg)
Brennan Industries 6408-04-O Steel External Hex Plug Tube Fitting, 7/16"-20 SAE ORB Thread, 1/4" Male O-Ring Boss
![Spears 1401 Series PVC Tube Fitting, Tee, Schedule 40, Gray, 1" x 3/4" Barbed](https://images-na.ssl-images-amazon.com/images/I/81eJEWCGshL._AC_US320_.jpg)
Spears 1401 Series PVC Tube Fitting, Tee, Schedule 40, Gray, 1" x 3/4" Barbed
EDITOR'S NOTES
During our Industrial Scientific Threaded Tube Fittings research, we found hundreds Industrial Scientific Threaded Tube Fittings products and shortlisted 51 quality products. We collected and analyzed 13,543 customer reviews through our big data system to write the Industrial Scientific Threaded Tube Fittings list. We found that most customers choose Industrial Scientific Threaded Tube Fittings with an average rating of 1.7 . The seller of top 1 product with rating 4.4 and has received honest feedback from 838 consumers.