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. 499-3265
BrandRS PRO
MYR30.005
Each (In a Pack of 2)
units
1 in R Male 1 in R Male 2.36in - Barrel Nipple Circular - 1in 1in - Male Male - R (taper)
RS Stock No. 826-7096
BrandRS PRO
MYR139.31
Each
units
1-1/2 in R Male 1 in Rc Female 1.14in - Bush Hexagon Straight 1-1/2in 1in - Male Female - R (taper)
RS Stock No. 499-3647
BrandRS PRO
MYR41.75
Each
units
1-1/4 in R Male - 1.2in - Plug Hexagon - 1-1/4in - - Male - - R (taper)
RS Stock No. 222-6591
BrandRS PRO
MYR61.86
Each
units
1/2 in NPT Male - - - Plug Hexagon - 1/2in - - Male - - NPT (taper)
RS Stock No. 499-2969
BrandRS PRO
MYR28.32
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. 826-7056
BrandRS PRO
MYR84.50
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. 826-7150
BrandRS PRO
MYR844.64
Each
units
2 in R Male 2 in Rc Female 4.41in - Union Decagon Straight 2in 2in - Male Female - R (taper)
RS Stock No. 499-3524
BrandRS PRO
MYR20.03
Each
units
3/4 in R Male 1/2 in G Female 0.91in - Bush Hexagon - 3/4in 1/2in - Male Female - R (taper)
RS Stock No. 499-3697
BrandRS PRO
MYR154.58
Each
units
1-1/2 in G Female 1-1/2 in G Female 59mm - Union Decagon Straight 1-1/2in 1-1/2in - Female Female - G (parallel)
RS Stock No. 826-7138
BrandRS PRO
MYR169.56
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. 499-3502
BrandRS PRO
MYR70.98
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. 499-3423
BrandRS PRO
MYR46.29
Each
units
3/8 in G Female 3/8 in G Female 1.48in - Union Octagon Straight 3/8in 3/8in - Female Female - G (parallel)
RS Stock No. 222-6614
BrandRS PRO
MYR97.98
Each
units
3/4 in NPT Male - - - Plug Hexagon - 3/4in - - Male - - NPT (taper)
RS Stock No. 826-7090
BrandRS PRO
MYR196.93
Each
units
2 in R Male 1 in Rc Female 31mm - Bush Hexagon Straight 2in 1in - Male Female - R (taper)
RS Stock No. 826-7100
BrandRS PRO
MYR98.53
Each
units
1/4 in Rc Female 1/4 in Rc Female 1.63in - Union Hexagon Straight 1/4in 1/4in - Female Female - Rc (taper)
RS Stock No. 499-3085
BrandRS PRO
MYR87.58
Each
units
1-1/2 in G Female 1-1/2 in G Female - - Elbow - 90° 1-1/2in 1-1/2in - Female Female - G (parallel)
RS Stock No. 499-3350
BrandRS PRO
MYR86.27
Each
units
1-1/4 in G Female 1-1/4 in R Male - - Elbow Circular 90° 1-1/4in 1-1/4in - Female Male - G (parallel)
RS Stock No. 499-3259
BrandRS PRO
MYR22.375
Each (In a Pack of 2)
units
3/4 in R Male 3/4 in R Male 2.36in - Barrel Nipple Circular - 3/4in 3/4in - Male Male - R (taper)
RS Stock No. 499-3186
BrandRS PRO
MYR63.96
Each
units
1-1/2 in R Male 1-1/2 in R Male 2.03in - Hexagon Nipple Hexagon - 1-1/2in 1-1/2in - Male Male - R (taper)
RS Stock No. 826-6970
BrandRS PRO
MYR127.41
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)
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