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. 310-8725
Mfr. Part No.1823 10 17
BrandLegris
kr 194,20
Each
Units
3/8 in R Male 10 mm Barbed Male - - Tailpiece Adapter Hexagon Straight 3/8in - - Male Male - R (taper)
RS Stock No. 310-8668
Mfr. Part No.1863 17 13
BrandLegris
kr 121,92
Each
Units
3/8 in R Male 1/4 in G Female - - Reducer Hexagon Straight 3/8in 1/4in - Male Female - R (taper)
RS Stock No. 295-2789
Mfr. Part No.1823 13 17
BrandLegris
kr 188,52
Each
Units
3/8 in R Male 13 mm Barbed Male - - Tailpiece Adapter Hexagon Straight 3/8in - - Male Male - R (taper)
RS Stock No. 310-8719
Mfr. Part No.1823 07 10
BrandLegris
kr 152,79
Each
Units
1/8 in R Male 7 mm Barbed Male - - Tailpiece Adapter Hexagon Straight 1/8in - - Male Male - R (taper)
RS Stock No. 458-6867
Mfr. Part No.1821 13 13
BrandLegris
kr 111,51
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. 458-6823
Mfr. Part No.1817 00 13
BrandLegris
kr 180,72
Each
Units
1/4 in G Female - - - Bulkhead Adapter Hexagon Straight 1/4in - - Female - - G (parallel)
RS Stock No. 310-8652
Mfr. Part No.1863 13 10
BrandLegris
kr 109,36
Each
Units
1/4 in R Male 1/8 in G Female - - Reducer Hexagon Straight 1/4in 1/8in - Male Female - R (taper)
RS Stock No. 310-8646
Mfr. Part No.1855 21 21
BrandLegris
kr 226,96
Each
Units
1/2 in G Female 1/2 in G Female - - Coupler Hexagon Straight 1/2in 1/2in - Female Female - G (parallel)
RS Stock No. 310-8696
Mfr. Part No.1861 10 13
BrandLegris
kr 147,97
Each
Units
1/8 in R Male 1/4 in G Female - - Increaser Hexagon Straight 1/8in 1/4in - Male Female - R (taper)
RS Stock No. 295-2723
Mfr. Part No.0285 10 00
BrandLegris
kr 74,82
Each (In a Pack of 2)
Units
1/8 in R Male - - - Plug Hexagon - 1/8in - - Male - - R (taper)
RS Stock No. 310-8624
Mfr. Part No.1855 13 13
BrandLegris
kr 131,29
Each
Units
1/4 in G Female 1/4 in G Female - - Coupler Hexagon Straight 1/4in 1/4in - Female Female - G (parallel)
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. 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. 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. 310-8674
Mfr. Part No.1863 21 13
BrandLegris
kr 175,16
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. 458-6873
Mfr. Part No.1821 17 17
BrandLegris
kr 143,96
Each
Units
3/8 in R Male 3/8 in R Male - - Coupler Hexagon Straight 3/8in 3/8in - Male Male - R (taper)
RS Stock No. 310-8703
Mfr. Part No.1861 13 21
BrandLegris
kr 243,77
Each
Units
1/4 in R Male 1/2 in G Female - - Increaser Hexagon Straight 1/4in 1/2in - Male Female - R (taper)
RS Stock No. 458-6851
Mfr. Part No.1821 10 10
BrandLegris
kr 82,35
Each
Units
1/8 in R Male 1/8 in R Male - - Coupler Hexagon Straight 1/8in 1/8in - 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. 295-2739
Mfr. Part No.0285 13 00
BrandLegris
kr 82,795
Each (In a Pack of 2)
Units
1/4 in R Male - - - Plug Hexagon - 1/4in - - Male - - R (taper)