SRU - 2 - 1 1/8 1/16 1.27 7/16 7/16 5/16 12.7 8.63 15.24 10.92 20.60 31.00
SRU - 3 - 2 3/16 1/8 2.28 7/16 1/2 7/16 13.71 12.70 16.00 15.24 23.36 36.57
SRU - 4 - 2 1/4 1/8 2.28 1/2 9/16 7/16 15.24 12.70 17.78 15.24 24.63 38.60
SRU - 4 - 3 1/4 3/16 3.04 1/2 9/16 1/2 15.24 13.71 17.78 16.00 25.40 39.37
SRU - 5 - 2 5/16 1/8 2.28 9/16 5/8 7/16 16.25 12.70 18.54 15.24 25.90 39.87
SRU - 5 - 4 5/16 1/4 4.82 9/16 5/8 9/16 16.25 15.24 18.54 17.78 27.43 42.16
SRU - 6 - 2 3/8 1/8 2.28 5/8 11/16 7/16 16.76 12.70 19.30 15.24 26.92 40.89
SRU - 6 - 4 3/8 1/4 4.82 5/8 11/16 9/16 16.76 15.24 19.30 17.78 28.44 43.18
SRU - 6 - 5 3/8 5/16 6.35 5/8 11/16 5/8 16.76 16.25 19.30 18.54 29.46 44.19
SRU - 8 - 2 1/2 1/8 2.28 13/16 7/8 7/16 22.86 12.70 21.84 15.24 28.44 45.21
SRU - 8 - 4 1/2 1/4 4.82 13/16 7/8 9/16 22.86 15.24 21.84 17.78 29.46 46.99
SRU - 8 - 6 1/2 3/8 7.11 13/16 7/8 11/16 22.86 16.76 21.84 19.30 30.98 48.51
SRU -10 - 6 5/8 3/8 7.11 15/16 1 11/16 24.38 16.76 21.84 19.30 31.75 49.27
SRU -10 - 8 5/8 1/2 10.41 15/16 1 7/8 24.38 22.86 21.84 21.84 31.75 52.07
SRU -12 - 4 3/4 1/4 4.82 1-1/16 1-1/8 9/16 24.38 15.24 21.84 17.78 31.75 49.27
SRU -12 - 6 3/4 3/8 7.11 1-1/16 1-1/8 11/16 24.38 16.76 21.84 19.30 33.27 50.80
SRU -12 - 8 3/4 1/2 10.41 1-1/16 1-1/8 7/8 24.38 22.86 21.84 21.84 33.27 53.59
SRU -12 - 10 3/4 5/8 12.70 1-1/16 1-1/8 1 24.38 24.38 21.84 21.84 33.27 53.59
SRU -16 - 8 1 1/2 10.41 1-3/8 1-1/2 7/8 31.24 22.86 26.41 21.84 39.50 63.24
SRU -16 - 12 1 3/4 15.74 1-3/8 1-1/2 1-1/8 31.24 24.38 26.41 21.84 39.00 62.73
Part No.
Tube OD d
Min
Width Across Flat
A A1 B B1 I L
D D1 h H H1
SRU - 6M - 3M 6 3 2.4 14 14 12 15.3 12.9 17.7 15.3 24.6 38.6
SRU - 6M - 4M 6 4 2.4 14 14 12 15.3 13.7 17.7 16.1 25.4 39.4
SRU - 8M - 6M 8 6 4.8 15 16 14 16.2 15.3 18.6 17.7 27.4 42.3
SRU - 10M - 6M 10 6 4.8 18 19 14 17.2 15.3 19.5 17.7 29.5 44.5
SRU - 10M - 8M 10 8 6.4 18 19 16 17.2 16.2 19.5 18.6 30.0 45.1
SRU - 12M - 6M 12 6 4.8 22 22 14 22.8 15.3 22.0 17.7 29.5 47.0
SRU - 12M - 8M 12 8 6.4 22 22 16 22.8 16.2 22.0 18.6 30.2 47.8
SRU - 12M - 10M 12 10 7.9 22 22 19 22.8 17.2 22.0 19.5 31.0 48.7
SRU - 16M - 12M 16 12 9.5 24 25 22 24.4 22.8 22.0 22.0 31.8 52.0
SRU - 25M - 18M 25 18 15.1 35 38 30 31.3 24.4 26.5 22.0 38.6 61.0
SRU - 25M - 20M 25 20 15.9 35 38 32 31.3 26.0 26.5 22.0 39.9 62.3

SRU - 2 - 3M 1/8 3 2.4 12 12 11.1 12.9 12.8 15.3 15.2 22.1 35.2
SRU - 2 - 4M 1/8 4 2.4 12 12 11.1 13.7 12.8 16.1 15.2 23.4 36.5
SRU - 4 - 4M 1/4 4 2.4 14 12 14.3 13.7 15.3 16.1 17.7 25.4 39.4
SRU - 2 - 6M 1/8 6 2.4 14 14 11.1 15.3 12.8 17.7 15.2 24.6 38.5
SRU - 4 - 6M 1/4 6 4.8 14 14 14.3 15.3 15.3 17.7 17.7 26.2 41.0
SRU - 5 - 6M 5/16 6 4.8 14 14 15.9 15.3 16.2 17.7 18.6 27.4 42.3
SRU - 4 - 8M 1/4 8 4.8 15 16 14.3 16.2 15.3 18.6 17.7 27.4 42.3
SRU - 2 - 10M 1/8 10 2.4 18 19 11.1 17.2 12.8 19.5 15.2 27.7 41.8
SRU - 4 - 10M 1/4 10 4.8 18 19 14.3 17.2 15.3 19.5 17.7 29.5 44.5
SRU - 5 - 10M 5/16 10 6.4 18 19 15.9 17.2 16.2 19.5 18.6 30.0 45.1
SRU - 6 - 10M 3/8 10 7.1 18 19 17.5 17.2 16.9 19.5 19.2 31.0 45.9
SRU - 5 - 12M 5/16 12 6.4 22 22 15.9 22.8 16.2 22.0 18.6 30.2 47.8
SRU - 6 - 12M 3/8 12 7.1 22 22 17.5 22.8 16.9 22.0 19.2 31.0 48.4
SRU - 8 - 12M 1/2 12 9.5 22 22 22.2 22.8 22.8 22.0 22.0 31.0 51.2
SRU - 8 - 15M 1/2 15 10.3 24 25 22.2 24.4 22.8 22.0 22.0 31.8 52.0
SRU - 10 - 16M 5/8 16 12.7 24 25 25.4 24.4 24.4 22.0 22.0 31.8 52.0
SRU - 12 - 18M 3/4 18 15.1 27 30 28.6 24.4 24.4 22.0 22.0 33.3 53.5
SRU - 12 - 20M 3/4 20 15.9 30 32 28.6 26.0 24.4 22.0 22.0 34.8 54.9
SRU - 16 - 20M 1 20 15.9 35 32 38.1 26.0 31.2 22.0 26.4 40.4 62.8
SRU - 16 - 25M 1 25 21.8 35 38 38.1 31.3 31.3 26.5 26.5 40.4 65.0