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. 499-3754
BrandRS PRO
R 126.98
Each
units
1/2 in R Male 13 mm Barbed Male 2.22in - Hose Nipple Hexagon - 1/2in - - Male Male - R (taper)
RS stock no. 499-2896
BrandRS PRO
R 81.47
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. 499-3237
BrandRS PRO
R 30.636
Each (In a Pack of 5)
units
3/8 in R Male 3/8 in R Male 1.57in - Barrel Nipple Circular - 3/8in 3/8in - Male Male - R (taper)
RS stock no. 499-3243
BrandRS PRO
R 46.838
Each (In a Pack of 5)
units
1/2 in R Male 1/2 in R Male 2.36in - Barrel Nipple Circular - 1/2in 1/2in - Male Male - R (taper)
RS stock no. 499-3322
BrandRS PRO
R 80.99
Each
units
1/2 in G Female 1/2 in R Male - - Elbow Circular 90° 1/2in 1/2in - Female Male - R (taper)
RS stock no. 499-3013
BrandRS PRO
R 80.52
Each
units
1/2 in G Female 1/2 in G Female - - Socket - - 1/2in 1/2in - Female Female - G (parallel)
RS stock no. 499-3732
BrandRS PRO
R 72.39
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. 826-7068
BrandRS PRO
R 578.42
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. 499-3041
BrandRS PRO
R 52.63
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. 499-3782
BrandRS PRO
R 265.94
Each
units
1-1/4 in R Male 32 mm Barbed Male 2.76in - Hose Nipple Hexagon - 1-1/4in - - Male Male - R (taper)
RS stock no. 826-7065
BrandRS PRO
R 412.47
Each
units
1 in R Male 1 in R Male 2.36in - Nipple Hexagon Straight 1in 1in - Male Male - R (taper)
RS stock no. 499-2903
BrandRS PRO
R 34.69
Each
units
1/4 in G Female 1/4 in G Female - - Socket - - 1/4in 1/4in - Female Female - G (parallel)
RS stock no. 499-3063
BrandRS PRO
R 142.45
Each
units
1 in R Male 1 in R Male 1.93in - Hexagon Nipple Hexagon - 1in 1in - Male Male - R (taper)
RS stock no. 499-3776
BrandRS PRO
R 208.28
Each
units
1 in R Male 25 mm Barbed Male 2.72in - Hose Nipple Hexagon - 1in - - Male Male - R (taper)
RS stock no. 499-3265
BrandRS PRO
R 93.655
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. 499-3530
BrandRS PRO
R 91.34
Each
units
1 in R Male 1/2 in G Female 1.06in - Bush Hexagon - 1in 1/2in - Male Female - R (taper)
RS stock no. 295-2773
Mfr. Part No.1823 10 13
BrandLegris
R 220.20
Each
units
1/4 in R Male 10 mm Barbed Male - - Tailpiece Adapter Hexagon Straight 1/4in - - Male Male - R (taper)
RS stock no. 826-7002
BrandRS PRO
R 212.52
Each
units
3/4 in Rc Female 3/4 in Rc Female 2.01in - Coupler Circular Straight 3/4in 3/4in - Female Female - Rc (taper)
RS stock no. 310-8624
Mfr. Part No.1855 13 13
BrandLegris
R 196.22
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. 826-7043
BrandRS PRO
R 410.87
Each
units
1-1/2 in R Male - 1.46in - Hexagon Plug Hexagon Straight 1-1/2in - - Male - - R (taper)