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. 499-2953
BrandRS PRO
PHP257.19
Each
units
1/2 in G Female 1/2 in G Female - - Elbow - 90° 1/2in 1/2in - Female Female - G (parallel)
RS Stock No. 499-3754
BrandRS PRO
PHP444.02
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. 222-6636
BrandRS PRO
PHP1,482.34
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. 826-7040
BrandRS PRO
PHP450.14
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. 499-3574
BrandRS PRO
PHP716.36
Each
units
1-1/4 in R Male 1 in G Female 1.18in - Bush Hexagon - 1-1/4in 1in - Male Female - R (taper)
RS Stock No. 499-3776
BrandRS PRO
PHP682.63
Each
units
1 in R Male 25 mm Barbed Male 2.72in - Hose Nipple Hexagon - 1in - - Male Male - R (taper)
RS Stock No. 499-3760
BrandRS PRO
PHP566.21
Each
units
3/4 in R Male 20 mm Barbed Male 2.36in - Hose Nipple Hexagon - 3/4in - - Male Male - R (taper)
RS Stock No. 499-3108
BrandRS PRO
PHP1,607.74
Each
units
2 in G Female 2 in G Female - - Elbow - 90° 2in 2in - Female Female - G (parallel)
RS Stock No. 499-3013
BrandRS PRO
PHP270.05
Each
units
1/2 in G Female 1/2 in G Female - - Socket - - 1/2in 1/2in - Female Female - G (parallel)
RS Stock No. 499-3445
BrandRS PRO
PHP175.87
Each
units
1/2 in R Male 3/8 in G Female 0.87in - Bush Hexagon - 1/2in 3/8in - Male Female - R (taper)
RS Stock No. 499-3748
BrandRS PRO
PHP326.78
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. 826-7062
BrandRS PRO
PHP4,276.80
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. 499-2981
BrandRS PRO
PHP338.88
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. 499-2931
BrandRS PRO
PHP136.18
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. 499-3243
BrandRS PRO
PHP205.296
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. 499-3221
BrandRS PRO
PHP119.214
Each (In a Pack of 5)
units
1/4 in R Male 1/4 in R Male 1.57in - Barrel Nipple Circular - 1/4in 1/4in - Male Male - R (taper)
RS Stock No. 826-6946
BrandRS PRO
PHP1,640.38
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. 499-3451
BrandRS PRO
PHP192.56
Each
units
1/2 in R Male 1/4 in G Female 0.87in - Bush Hexagon - 1/2in 1/4in - Male Female - R (taper)
RS Stock No. 499-3300
BrandRS PRO
PHP207.50
Each
units
1/4 in G Female 1/4 in R Male - - Elbow Circular 90° 1/4in 1/4in - Female Male - R (taper)
RS Stock No. 499-3495
BrandRS PRO
PHP694.14
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)
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