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. 826-7084
BrandRS PRO
TWD575.00
Each
units
1 in R Male 3/4 in Rc Female 0.99in - Bush Hexagon Straight 1in 3/4in - Male Female - R (taper)
RS Stock No. 499-2981
BrandRS PRO
TWD201.00
Each
units
1/2 in G Female 1/2 in G Female 2.17in 1/2 in G Female Tee Circular Tee 1/2in 1/2in 1/2 Female Female Female G (parallel)
RS Stock No. 295-2795
Mfr. Part No.1823 16 21
BrandLegris
TWD1,139.00
Each
units
1/2 in R Male 16 mm Barbed Male - - Tailpiece Adapter Hexagon Straight 1/2in - - Male Male - R (taper)
RS Stock No. 499-3142
BrandRS PRO
TWD517.00
Each
units
1-1/2 in G Female 1-1/2 in G Female - - Socket - - 1-1/2in 1-1/2in - Female Female - G (parallel)
RS Stock No. 499-3669
BrandRS PRO
TWD394.00
Each
units
1-1/2 in R Male - 1.21in - Plug Hexagon - 1-1/2in - - Male - - R (taper)
RS Stock No. 499-2874
BrandRS PRO
TWD116.00
Each
units
3/8 in G Female 3/8 in G Female - - Elbow - 90° 3/8in 3/8in - Female Female - G (parallel)
RS Stock No. 826-6946
BrandRS PRO
TWD947.00
Each
units
1/2 in R Male 1/2 in Rc Female - - Elbow Circular 90° 1/2in 1/2in - Male Female - R (taper)
RS Stock No. 826-7052
BrandRS PRO
TWD427.00
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. 499-3776
BrandRS PRO
TWD393.00
Each
units
1 in R Male 25 mm Barbed Male 2.72in - Hose Nipple Hexagon - 1in - - Male Male - R (taper)
RS Stock No. 222-6591
BrandRS PRO
TWD466.00
Each
units
1/2 in NPT Male - - - Plug Hexagon - 1/2in - - Male - - NPT (taper)
RS Stock No. 499-2896
BrandRS PRO
TWD166.00
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. 499-3417
BrandRS PRO
TWD243.00
Each
units
1/4 in G Female 1/4 in G Female 1.36in - Union Hexagon Straight 1/4in 1/4in - Female Female - G (parallel)
RS Stock No. 295-2745
Mfr. Part No.0285 17 00
BrandLegris
TWD340.00
Each (In a Pack of 2)
units
3/8 in R Male - - - Plug Hexagon - 3/8in - - Male - - R (taper)
RS Stock No. 310-8630
Mfr. Part No.1855 17 17
BrandLegris
TWD546.00
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. 826-6970
BrandRS PRO
TWD963.00
Each
units
1/2 in G Female 1/2 in G Female 2.6in 1/2 in G Female Tee Circular Tee 1/2in 1/2in 1/2 Female Female Female G (parallel)
RS Stock No. 499-3344
BrandRS PRO
TWD434.00
Each
units
1 in G Female 1 in R Male - - Elbow Circular 90° 1in 1in - Female Male - R (taper)
RS Stock No. 826-6920
BrandRS PRO
TWD727.00
Each
units
3/4 in G Female 3/4 in G Female - - Elbow Circular 90° 3/4in 3/4in - Female Female - G (parallel)
RS Stock No. 826-7040
BrandRS PRO
TWD261.00
Each
units
1/4 in R Male 1/4 in R Male 1.42in - Nipple Hexagon Straight 1/4in 1/4in - Male Male - R (taper)
RS Stock No. 499-2947
BrandRS PRO
TWD97.00
Each
units
3/8 in R Male 3/8 in R Male 1.26in - Hexagon Nipple Hexagon - 3/8in 3/8in - Male Male - R (taper)
RS Stock No. 826-6955
BrandRS PRO
TWD1,371.00
Each
units
3/4 in R Male 3/4 in Rc Female - - Elbow Circular 90° 3/4in 3/4in - Male Female - R (taper)