Stainless Steel Threaded Fittings

Stainless steel threaded fittings are used to connect steel pipes. Tapered threads are cut into the end of the pipe, sealant is applied in the form of thread-sealing compound or thread seal tape (which is also known as PTFE or Teflon tape), and a pipe wrench is used to thread the pipe into a threaded fitting.

What are stainless steel threaded fittings used for?

Stainless steel threaded fittings are often used in buildings to convey natural gas or propane fuel, or in plumbing systems. They are a popular choice in fire sprinkler systems due to their resistance to mechanical damage and intense heat.

Threaded fittings made with stainless steel take advantage of the metal’s strength, resistance to corrosion and ease of cleaning.

Types of stainless steel threaded fittings

Different types of stainless steel threaded fittings include bulkhead adapters (used to connect tubing or piping of different sizes and configurations through a panel), nipples (used to connect two other fittings), elbows (used to connect pipes at curved angles), and tees (T-shaped fittings that accommodate three pipes).


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Description Price Connection 1 Connection 2 Length Connection 3 Fitting Type Shape Fitting Direction Thread Size 1 Thread Size 2 Thread Size 3 Connection Gender 1 Connection Gender 2 Connection Gender 3 Thread Standard 1
RS Stock No. 499-3754
BrandRS PRO
SGD11.73
Each
units
1/2 in R Male 13 mm Barbed Male 2.22in - Hose Nipple Hexagon - 1/2in - - Male Male - R (taper)
RS Stock No. 499-3732
BrandRS PRO
SGD6.66
Each
units
1/4 in R Male 8 mm Barbed Male 1.69in - Hose Nipple Hexagon - 1/4in - - Male Male - R (taper)
RS Stock No. 499-3776
BrandRS PRO
SGD17.51
Each
units
1 in R Male 25 mm Barbed Male 2.72in - Hose Nipple Hexagon - 1in - - Male Male - R (taper)
RS Stock No. 499-2896
BrandRS PRO
SGD7.14
Each
units
3/8 in G Female 3/8 in G Female 1.73in 3/8 in G Female Tee Circular Tee 3/8in 3/8in 3/8 Female Female Female G (parallel)
RS Stock No. 499-3451
BrandRS PRO
SGD4.96
Each
units
1/2 in R Male 1/4 in G Female 0.87in - Bush Hexagon - 1/2in 1/4in - Male Female - R (taper)
RS Stock No. 826-7056
BrandRS PRO
SGD28.35
Each
units
3/4 in R Male 3/4 in R Male 2.05in - Nipple Hexagon Straight 3/4in 3/4in - Male Male - R (taper)
RS Stock No. 295-2773
Mfr. Part No.1823 10 13
BrandLegris
SGD23.71
Each
units
1/4 in R Male 10 mm Barbed Male - - Tailpiece Adapter Hexagon Straight 1/4in - - Male Male - R (taper)
RS Stock No. 499-2997
BrandRS PRO
SGD13.76
Each
units
3/4 in G Female 3/4 in G Female 2.36in 3/4 in G Female Tee Circular Tee 3/4in 3/4in 3/4 Female Female Female G (parallel)
RS Stock No. 499-3760
BrandRS PRO
SGD14.73
Each
units
3/4 in R Male 20 mm Barbed Male 2.36in - Hose Nipple Hexagon - 3/4in - - Male Male - R (taper)
RS Stock No. 499-3221
BrandRS PRO
SGD3.19
Each (In a Pack of 5)
units
1/4 in R Male 1/4 in R Male 1.57in - Barrel Nipple Circular - 1/4in 1/4in - Male Male - R (taper)
RS Stock No. 499-3445
BrandRS PRO
SGD4.57
Each
units
1/2 in R Male 3/8 in G Female 0.87in - Bush Hexagon - 1/2in 3/8in - Male Female - R (taper)
RS Stock No. 222-6614
BrandRS PRO
SGD33.33
Each
units
3/4 in NPT Male - - - Plug Hexagon - 3/4in - - Male - - NPT (taper)
RS Stock No. 310-8674
Mfr. Part No.1863 21 13
BrandLegris
SGD25.72
Each
units
1/2 in R Male 1/4 in G Female - - Reducer Hexagon Straight 1/2in 1/4in - Male Female - R (taper)
RS Stock No. 499-3574
BrandRS PRO
SGD18.39
Each
units
1-1/4 in R Male 1 in G Female 1.18in - Bush Hexagon - 1-1/4in 1in - Male Female - R (taper)
RS Stock No. 826-7052
BrandRS PRO
SGD18.99
Each
units
1/2 in R Male 1/2 in R Male 1.89in - Nipple Hexagon Straight 1/2in 1/2in - Male Male - R (taper)
RS Stock No. 458-6867
Mfr. Part No.1821 13 13
BrandLegris
SGD15.39
Each
units
1/4 in R Male 1/4 in R Male - - Coupler Hexagon Straight 1/4in 1/4in - Male Male - R (taper)
RS Stock No. 499-3243
BrandRS PRO
SGD5.418
Each (In a Pack of 5)
units
1/2 in R Male 1/2 in R Male 2.36in - Barrel Nipple Circular - 1/2in 1/2in - Male Male - R (taper)
RS Stock No. 310-8725
Mfr. Part No.1823 10 17
BrandLegris
SGD27.85
Each
units
3/8 in R Male 10 mm Barbed Male - - Tailpiece Adapter Hexagon Straight 3/8in - - Male Male - R (taper)
RS Stock No. 826-7078
BrandRS PRO
SGD10.31
Each
units
3/8 in R Male 1/4 in Rc Female 0.67in - Bush Hexagon Straight 3/8in 1/4in - Male Female - R (taper)
RS Stock No. 826-6968
BrandRS PRO
SGD24.23
Each
units
1/4 in G Female 1/4 in G Female 1.96in 1/4 in G Female Tee Circular Tee 1/4in 1/4in 1/4 Female Female Female G (parallel)
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