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. 499-3732
BrandRS PRO
MYR27.87
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. 499-2880
BrandRS PRO
MYR17.48
Each
units
1/4 in G Female 1/4 in G Female 1.54in 1/4 in G Female Tee Circular Tee 1/4in 1/4in 1/4 Female Female Female G (parallel)
RS Stock No. 499-3748
BrandRS PRO
MYR24.72
Each
units
3/8 in R Male 10 mm Barbed Male 1.93in - Hose Nipple Hexagon - 3/8in - - Male Male - R (taper)
RS Stock No. 826-6968
BrandRS PRO
MYR50.32
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)
RS Stock No. 499-3041
BrandRS PRO
MYR18.90
Each
units
1/2 in R Male 1/2 in R Male 1.65in - Hexagon Nipple Hexagon - 1/2in 1/2in - Male Male - R (taper)
RS Stock No. 826-7068
BrandRS PRO
MYR149.49
Each
units
1-1/4 in R Male 1-1/4 in R Male 2.6in - Nipple Hexagon Straight 1-1/4in 1-1/4in - Male Male - R (taper)
RS Stock No. 826-7071
BrandRS PRO
MYR343.32
Each
units
2 in R Male 2 in R Male 2.8in - Nipple Hexagon Straight 2in 2in - Male Male - R (taper)
RS Stock No. 499-3776
BrandRS PRO
MYR100.17
Each
units
1 in R Male 25 mm Barbed Male 2.72in - Hose Nipple Hexagon - 1in - - Male Male - R (taper)
RS Stock No. 826-7062
BrandRS PRO
MYR224.67
Each
units
1-1/2 in R Male 1-1/2 in R Male 2.68in - Nipple Hexagon Straight 1-1/2in 1-1/2in - Male Male - R (taper)
RS Stock No. 499-3013
BrandRS PRO
MYR23.74
Each
units
1/2 in G Female 1/2 in G Female - - Socket - - 1/2in 1/2in - Female Female - G (parallel)
RS Stock No. 499-3316
BrandRS PRO
MYR19.21
Each
units
3/8 in G Female 3/8 in R Male - - Elbow Circular 90° 3/8in 3/8in - Female Male - R (taper)
RS Stock No. 826-7040
BrandRS PRO
MYR25.51
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. 499-2931
BrandRS PRO
MYR10.76
Each
units
1/4 in R Male 1/4 in R Male 1.26in - Hexagon Nipple Hexagon - 1/4in 1/4in - Male Male - R (taper)
RS Stock No. 499-2903
BrandRS PRO
MYR8.45
Each
units
1/4 in G Female 1/4 in G Female - - Socket - - 1/4in 1/4in - Female Female - G (parallel)
RS Stock No. 826-7052
BrandRS PRO
MYR37.97
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. 499-2981
BrandRS PRO
MYR25.09
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. 499-2919
BrandRS PRO
MYR11.48
Each
units
3/8 in G Female 3/8 in G Female - - Socket - - 3/8in 3/8in - Female Female - G (parallel)
RS Stock No. 499-3495
BrandRS PRO
MYR32.56
Each
units
1/2 in G Female 1/2 in G Female 1.52in - Union Octagon Straight 1/2in 1/2in - Female Female - G (parallel)
RS Stock No. 222-6636
BrandRS PRO
MYR83.30
Each
units
1/2 in NPT Male 1/2 in NPT Male - - Nipple Hexagon - 1/2in 1/2in - Male Male - NPT (taper)
RS Stock No. 499-3029
BrandRS PRO
MYR21.29
Each
units
3/4 in G Female 3/4 in G Female - - Socket - - 3/4in 3/4in - Female Female - G (parallel)
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