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. 826-7028
BrandRS PRO
kr 54,48
Each
Units
1/2 in R Male - 0.86in - Hexagon Plug Hexagon Straight 1/2in - - Male - - R (taper)
RS Stock No. 826-6949
BrandRS PRO
kr 272,69
Each
Units
1/4 in R Male 1/4 in Rc Female - - Elbow Circular 90° 1/4in 1/4in - Male Female - R (taper)
RS Stock No. 499-2997
BrandRS PRO
kr 82,77
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. 499-3164
BrandRS PRO
kr 206,83
Each
Units
2 in G Female 2 in G Female - - Socket - - 2in 2in - Female Female - G (parallel)
RS Stock No. 499-3502
BrandRS PRO
kr 143,59
Each
Units
3/4 in G Female 3/4 in G Female 1.73in - Union Octagon Straight 3/4in 3/4in - Female Female - G (parallel)
RS Stock No. 499-3625
BrandRS PRO
kr 130,50
Each
Units
2 in R Male 3/4 in G Female 1.32in - Bush Hexagon - 2in 3/4in - Male Female - R (taper)
RS Stock No. 310-8618
Mfr. Part No.1855 10 10
BrandLegris
kr 108,02
Each
Units
1/8 in G Female 1/8 in G Female - - Coupler Hexagon Straight 1/8in 1/8in - Female Female - G (parallel)
RS Stock No. 295-2745
Mfr. Part No.0285 17 00
BrandLegris
kr 120,14
Each (In a Pack of 2)
Units
3/8 in R Male - - - Plug Hexagon - 3/8in - - Male - - R (taper)
RS Stock No. 826-7071
BrandRS PRO
kr 939,50
Each
Units
2 in R Male 2 in R Male 2.8in - Nipple Hexagon Straight 2in 2in - Male Male - R (taper)
RS Stock No. 458-6817
Mfr. Part No.1817 00 10
BrandLegris
kr 138,21
Each
Units
1/8 in G Female - - - Bulkhead Adapter Hexagon Straight 1/8in - - Female - - G (parallel)
RS Stock No. 826-7138
BrandRS PRO
kr 325,05
Each
Units
3/8 in R Male 3/8 in Rc Female 2.36in - Union Octagon Straight 3/8in 3/8in - Male Female - R (taper)
RS Stock No. 310-8630
Mfr. Part No.1855 17 17
BrandLegris
kr 173,43
Each
Units
3/8 in G Female 3/8 in G Female - - Coupler Hexagon Straight 3/8in 3/8in - Female Female - G (parallel)
RS Stock No. 499-3401
BrandRS PRO
kr 17,92
Each
Units
3/8 in R Male - 0.77in - Plug Hexagon - 3/8in - - Male - - R (taper)
RS Stock No. 499-3726
BrandRS PRO
kr 198,37
Each
Units
2 in R Male 1/2 in G Female 1.32in - Bush Hexagon - 2in 1/2in - Male Female - R (taper)
RS Stock No. 826-7116
BrandRS PRO
kr 393,62
Each
Units
3/4 in Rc Female 3/4 in Rc Female 2.24in - Union Octagon Straight 3/4in 3/4in - Female Female - Rc (taper)
RS Stock No. 295-2767
Mfr. Part No.1823 07 13
BrandLegris
kr 167,38
Each
Units
1/4 in R Male 7 mm Barbed Male - - Tailpiece Adapter Hexagon Straight 1/4in - - Male Male - R (taper)
RS Stock No. 499-2969
BrandRS PRO
kr 57,30
Each
Units
3/4 in G Female 3/4 in G Female - - Elbow - 90° 3/4in 3/4in - Female Female - G (parallel)
RS Stock No. 826-7021
BrandRS PRO
kr 25,78
Each
Units
1/4 in R Male - 0.67in - Hexagon Plug Hexagon Straight 1/4in - - Male - - R (taper)
RS Stock No. 458-6889
Mfr. Part No.1821 21 21
BrandLegris
kr 202,08
Each
Units
1/2 in R Male 1/2 in R Male - - Coupler Hexagon Straight 1/2in 1/2in - Male Male - R (taper)
RS Stock No. 499-3675
BrandRS PRO
kr 153,56
Each
Units
2 in R Male - 1.34in - Plug Hexagon - 2in - - Male - - R (taper)
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