In plumbing and piping, a nipple is a fitting, consisting of a short piece of pipe with a male thread at each end, for connecting two other fittings. The length of the nipple is usually specified by the overall length with thread. It may have a hexagonal section in the center for a wrench to grasp or it may simply be made from a short piece of pipe. When the ends are of two different sizes it is called a reducer or unequal nipple.

Pipe Nipples

Nipples are widely used in pipe fittings, its primary purpose is to connect two different pipes with female threads, it is widely used to extend the fitting. It is available in various shapes and sizes, Main Shapes include Hexagon Nipple, which has hexagon section between two male threads to facilitate tightening the nipple to pipe, other variant is Close Nipple and Barrel Nipple; both have small or none cylindrical section between to threads to Join Pipes. In some cases reducing nipples are used to connect two different sized pipes.

Hexagon Nipples

Size Range 1/8" to 4"
Materials Brass, Mild Steel, Stainless Steel
Surface Treatment Zinc, Cadmium, Nickel, Galvanize, Chrome

NOTE: This product can also be provided in special dimensions and features as per requirement

Hexagon Nipples
Hexagon Nipples DrawingHover on Image to Enlarge
SIZEDNLABA/F
INCHMMINCHMMINCHMMINCHMM
1/8"61.1830.000.225.700.4812.200.5213.30
1/4"81.2632.000.246.000.5113.000.6015.20
3/8"101.2632.000.246.100.5113.000.7318.50
1/2"151.6542.000.307.600.6817.200.9123.00
3/4"201.7143.500.338.400.6917.601.1429.00
1"251.9349.000.338.300.8020.401.3835.00
1 1/4"322.0351.500.3910.000.8220.801.7344.00
1 1/2"402.0351.500.4010.200.8120.701.9750.00
2"502.1554.500.4210.600.8722.002.4462.00
2 1/2"652.4863.000.5213.100.9825.003.0778.00
3"802.6868.000.5113.001.0827.503.5891.00
4"1002.9575.000.5714.501.1930.304.61117.00

*All Dimensions are for reference only, kindly confirm actual dimension before placing order

Barrel Nipples

Size Range 1/8" to 4"
Materials Brass, Mild Steel, Stainless Steel
Surface Treatment Zinc, Cadmium, Nickel, Galvanize, Chrome

NOTE: This product can also be provided in special dimensions and features as per requirement

Barrel Nipples
Barrel Nipples DrawingHover on Image to Enlarge
SizeDNLABA/F
INCHMMINCHMMINCHMMINCHMM
1/8"61.5740.000.225.700.6817.150.071.70
1/4"81.5740.000.246.000.6717.000.082.00
3/8"101.5740.000.246.100.6716.950.082.00
1/2"152.3660.000.307.601.0326.200.102.50
3/4"202.3660.000.338.401.0125.800.102.50
1"252.3660.000.338.301.0125.850.133.20
1 1/4"323.1580.000.3910.001.3835.000.133.20
1 1/2"403.1580.000.4010.201.3834.900.133.20
2"503.94100.000.4210.601.7644.700.143.60
2 1/2"653.94100.000.5213.101.7143.450.143.60
3"804.72120.000.5113.002.1153.500.164.00
4"1004.72120.000.5714.502.0752.750.184.50

*All Dimensions are for reference only, kindly confirm actual dimension before placing order

Close Nipples

Size Range 1/8" to 4"
Materials Brass, Mild Steel, Stainless Steel
Surface Treatment Zinc, Cadmium, Nickel, Galvanize, Chrome

NOTE: This product can also be provided in special dimensions and features as per requirement

Close Nipples
Close Nipples DrawingHover on Image to Enlarge
SizeDNLA
INCHMMINCHMM
1/8"60.6316.000.071.70
1/4"80.7118.000.082.00
3/8"100.8722.000.071.90
1/2"150.9825.000.092.30
3/4"201.1830.000.102.50
1"251.3835.000.133.20
1 1/4"321.5038.000.133.20
1 1/2"401.5038.000.133.20
2"501.7745.000.143.60
2 1/2"652.1755.000.143.60
3"802.3660.000.164.00
4"1002.7670.000.184.50

*All Dimensions are for reference only, kindly confirm actual dimension before placing order

Extension Nipple / Extension Piece

Size Range 1/2" x 10 to 1/2" x 60
Materials Brass, Mild Steel, Stainless Steel
Surface Treatment Zinc, Cadmium, Nickel, Galvanize, Chrome

NOTE: This product can also be provided in special dimensions and features as per requirement

Extension Nipple / Extension Piece
Extension Nipple / Extension Piece DrawingHover on Image to Enlarge
SIZEABC
INCHMMINCHMMINCHMM
1/2 x 100.3810.000.7722.001.0627.00
1/2 x 150.5015.000.8927.001.0627.00
1/2 x 200.7520.001.1432.001.0627.00
1/2 x 251.0025.001.3937.001.0627.00
1/2 x 301.2530.001.6442.001.0627.00
1/2 x 401.5040.001.8952.001.0627.00
1/2 x 502.0050.002.3962.001.0627.00
1/2 x 602.5060.002.8972.001.0627.00

*All Dimensions are for reference only, kindly confirm actual dimension before placing order

Reducing Nipples

Size Range 1/4 x 1/8 to 4 x 3
Materials Brass, Mild Steel, Stainless Steel
Surface Treatment Zinc, Cadmium, Nickel, Galvanize, Chrome

NOTE: This product can also be provided in special dimensions and features as per requirement

Reducing Nipples
Reducing Nipples DrawingHover on Image to Enlarge
SizeNPSDNLABA/F
FROMTOFROMTOINCHMMINCHMMINCHMMINCHMM
1/4 x 1/81/41/8861.22310.51130.2460.5915.1
3/8 x 1/83/81/81061.34340.55140.2870.7318.6
3/8 x 1/43/81/41081.34340.55140.2870.7318.6
1/2 x 1/81/21/81561.4436.50.6516.50.3180.9123
1/2 x 1/41/21/41581.4436.50.6516.50.3180.9123
1/2 x 3/81/23/815101.4436.50.6516.50.3180.9123
3/4 x 1/83/41/82061.57400.63160.3181.1429
3/4 x 1/43/41/42081.57400.63160.3181.1429
3/4 x 3/83/43/820101.61410.67170.3181.1228.5
3/4 x 1/23/41/220151.6341.50.67170.3181.1228.5
1 x 1/41 1/42581.61410.79200.3591.3935.4
1 x 3/81 3/825101.6742.50.79200.3591.3935.4
1 x 1/21 1/225151.77450.79200.3591.3935.4
1 x 3/41 3/425201.77450.79200.3591.3935.4
1 1/4 x 1/41 1/41/43281.65420.83210.39101.7544.5
1 1/4 x 3/81 1/43/832101.85470.83210.39101.7544.5
1 1/4 x 1/21 1/41/232151.93490.83210.39101.7544.5
1 1/4 x 3/41 1/43/432201.93490.83210.39101.7544.5
1 1/4 x 11 1/41 32252.05520.87220.39101.7544.5
1 1/2 x 1/41 1/21/44081.6542.50.79200.4110.52.0151
1 1/2 x 3/81 1/23/840101.85470.83210.39101.9750
1 1/2 x 1/21 1/21/240151.93490.83210.39101.9750
1 1/2 x 3/41 1/23/440201.93490.83210.39101.9750
1 1/2 x 11 1/21 40252.0752.50.8521.50.39111.9750
1 1/2 x 1 1/41 1/21 1/440322.17550.87220.43112.0151
2 x 3/82 3/850102.05520.91230.43112.4261.5
2 x 1/22 1/250152.05520.91230.43112.4261.5
2 x 3/42 3/450201.6341.50.91230.43112.4261.5
2 x 12 1 50252.1153.50.91230.43112.4261.5
2 x 1 1/42 1 1/450322.2560.91230.43112.4261.5
2 x 1 1/22 1 1/250402.1955.50.91230.43112.4261.5
2 1/2 x 3/42 1/23/465202.52641.0827.50.51133.0778
2 1/2 x 12 1/21 65252.563.51.0827.50.51133.0778
2 1/2 x 1 1/42 1/21 1/465322.563.51.0827.50.51133.0778
2 1/2 x 1 1/22 1/21 1/265402.563.51.0827.50.51133.0778
2 1/2 x 22 1/22 65502.5865.51.0827.50.51133.0778
3 x 1 1/23 1 1/280402.68681.1280.59153.6292
3 x 23 2 80502.768.51.1280.59153.6693
3 x 2 1/23 2 1/280652.8711.1228.50.59153.6292
4 x 24 2 100502.95751.18300.59154.61117
4 x 2 1/24 2 1/2100652.95751.18300.59154.61117
4 x 34 3 100802.95751.18300.59154.61117

*All Dimensions are for reference only, kindly confirm actual dimension before placing order

Socket Weld Nipples

Size Range 1/8" to 4"
Materials Brass, Mild Steel, Stainless Steel
Surface Treatment Zinc, Cadmium, Nickel, Galvanize, Chrome

NOTE: This product can also be provided in special dimensions and features as per requirement

Socket Weld Nipples
Socket Weld Nipples DrawingHover on Image to Enlarge
SizeDNLS
INCHMMINCHMM
1/8"61.1830.000.071.70
1/4"81.1830.000.082.00
3/8"101.1830.000.082.00
1/2"151.3835.000.102.50
3/4"201.5740.000.102.50
1"251.5740.000.133.20
1 1/4"321.9750.000.133.20
1 1/2"401.9750.000.133.20
2"501.9750.000.143.60
2 1/2"652.3660.000.143.60
3"802.7670.000.164.00
4"1003.1580.000.184.50

*All Dimensions are for reference only, kindly confirm actual dimension before placing order

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Brass Pipe Nipples