Flanges are available as Weld Neck, Integral, Blinds, Targets and Test Blinds for use with the followin
Max. Working Pressure
2,000 PSI
3,000 PSI
5,000 PSI
10,000 PSI
Test Pressure
3,000 PSI
4,500 PSI
7,500 PSI
15,000 PSI
Product Specification Levels
1, 2, 3 & 4
1, 2, 3 & 4
1, 2, 3 & 4
1, 2, 3 & 4
API Temperature Rating Min. Yield Min. Tensile Material Min. Yield Min. Tensile Material
K (-60 Deg C) K (-60 Deg C) K (-60 Deg C) K (-60 Deg C) To To To To Y (+34 (+345 5 Deg Deg C) Y (+34 (+345 5 Deg Deg C) Y (+34 (+345 5 Deg Deg C) Y (+34 (+345 5 Deg Deg C) Integral, Blind, Target Blind & Test Flanges 60,000 PSI 60,000 PSI 60,000 PSI 60,000 PSI 85,000 PSI 85,000 PSI 85,000 PSI 85,000 PSI API 60K API 60K API 60K API 60K Weld Neck Flanges 45,000 PSI 45,000 PSI 45,000 PSI 60,000 PSI 70,000 PSI 70,000 PSI 70,000 PSI 85,000 PSI API 45K API 45K API 45K API 60K
General Note: Minimum Bolt Hole Tolerance is -0.02" All Dimensions are in Inches
Type 6B Flanges for 2000 PSI Rated Working Pressure
S N O I S N E M I D E R O B D N A B U H
Nominal Size and Bore of Flange
2.1/16 2.9/16 3.1/8 4.1/16 5.1/8 7.1/16 9 11 13.5/8 16.3/4 21.1/4
Hub Length Hub Length Threaded LineThreaded Pipe Flange Casing Flange
Hub Length Welding Neck Line-Pipe Flange
Neck Diameter Welding Neck Line-Pipe Flange
L1
L2
L3 ± 0.06
A
1.75 1.94 2.12 2.44 2.69 2.94 3.31 3.69 3.94 4.50 5.38
3.50 4.00 4.50 5.00 5.25 3.94 4.50 5.38
3.19 3.44 3.58 4.31 4.81 4.94 5.56 6.31 -
2.38 2.88 3.50 4.50 5.56 6.63 8.63 10.75 -
Type 6B Flanges for 3000 PSI Rated Working Pressure
Type 6B Flanges for 2000 PSI Rated Working Pressure
S N O I S N E M I D E R O B D N A B U H
Nominal Size and Bore of Flange
2.1/16 2.9/16 3.1/8 4.1/16 5.1/8 7.1/16 9 11 13.5/8 16.3/4 21.1/4
Hub Length Hub Length Threaded LineThreaded Pipe Flange Casing Flange
Hub Length Welding Neck Line-Pipe Flange
Neck Diameter Welding Neck Line-Pipe Flange
L1
L2
L3 ± 0.06
A
1.75 1.94 2.12 2.44 2.69 2.94 3.31 3.69 3.94 4.50 5.38
3.50 4.00 4.50 5.00 5.25 3.94 4.50 5.38
3.19 3.44 3.58 4.31 4.81 4.94 5.56 6.31 -
2.38 2.88 3.50 4.50 5.56 6.63 8.63 10.75 -
Type 6B Flanges for 3000 PSI Rated Working Pressure
S N O I S N E M I D E R O B D N A B U H
Nominal Size and Bore of Flange
2.1/16 2.9/16 3.1/8 4.1/16 5.1/8 7.1/16 9 11 13.5/8 16.3/4 20.3/4
Hub Length Hub Length Threaded LineThreaded Pipe Flange Casing Flange
Hub Length Tubing Flange
Hub Length Welding Neck Line-Pipe Flange
L1
L2
L3
L4 ± 0.06
2.56 2.81 2.44 3.06 3.44 3.69 4.31 4.56 4.94 5.06 6.75
3.50 4.00 4.50 5.00 5.25 4.94 5.69 6.75
2.56 2.81 2.94 3.50 -
4.31 4.44 4.31 4.81 5.31 5.81 6.69 7.56 -
Type 6B Flanges for 5000 PSI Rated Working Pressure
S N O I S N E M I D E
Nominal Size and Bore of Flange
2.1/16
Hub Length Hub Length Threaded LineThreaded Pipe Flange Casing Flange
Hub Length Tubing Flange
Hub Length Welding Neck Line-Pipe Flange
L1
L2
L3
L4 ± 0.06
2.56
-
2.56
4.31
R O B D N A B U H
2.9/16 3.1/8 4.1/16 5.1/8 7.1/16 9 11
2.81 3.19 3.88 4.44 5.06 6.06 6.69
3.88 4.44 5.06 6.06 6.69
2.81 3.19 3.88 -
4.44 4.94 5.19 6.44 7.13 8.81 10.44
Type 6BX Integral Flanges for 2000, 3000, 5000, 10,000, 15,000 & Nominal Size and Bore of Flange
Maximum Bore
Outsde Diameter of Flange
Tolerance
Maximum Chamfer
B
D
D
C
26.3/4 30
26.78 30.03
41.00 44.19
±0.12 ±0.12
0.25 0.25
26.3/4 30
26.78 30.03
43.38 46.68
±0.12 ±0.12
0.25 0.25
S N O I S N E M I D E R O B D N A B U H
13.3/8 16.3/4 18.3/4 21.3/4
13.66 16.78 18.78 21.28
26.50 30.38 35.62 39.00
±0.12 ±0.12 ±0.12 ±0.12
0.25 0.25 0.25 0.25
1.13/16 2.1/16 2.9/16 3.1/16 4.1/16 5.1/8 7.1/16 9 11 13.5/8 16.3/4 18.3/4 21.1/4
1.84 2.09 2.59 3.09 4.09 5.16 7.09 9.03 11.03 13.66 16.78 18.78 21.28
7.38 7.88 9.12 10.62 12.44 14.06 18.88 21.75 25.75 30.25 34.31 40.94 45.00
±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.12 ±0.12 ±0.12 ±0.12 ±0.12 ±0.12 ±0.12
0.12 0.12 0.12 0.12 0.12 0.12 0.25 0.25 0.25 0.25 0.25 0.25 0.25
1.13/16 2.1/16 2.9/16 3.1/16 4.1/16 5.1/8 7.1/16 9 11 13.5/8 18.3/4
1.84 2.09 2.59 3.09 4.09 5.16 7.09 9.03 11.03 13.66 18.78
8.19 8.75 10.00 11.31 14.19 16.50 19.88 25.50 32.00 34.88 45.75
±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.12 ±0.12 ±0.12 ±0.12 ±0.12
0.12 0.12 0.12 0.12 0.12 0.12 0.25 0.25 0.25 0.25 0.25
1.13/16 2.1/16 2.9/16 3.1/16 4.1/16 7.1/16 9 11 13.5/8
1.84 2.09 2.59 3.09 4.09 7.09 9.03 11.03 13.66
10.12 11.31 12.81 14.06 17.56 25.81 31.69 34.75 45.75
±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.12 ±0.12 ±0.12 ±0.12
0.12 0.12 0.12 0.12 0.12 0.25 0.25 0.25 0.25
Type 6BX Welding Neck Flanges for 10,000, 15,000 & 20,000 PSI Nominal Size and Bore of Flange
S N O I S N E M I D E R O B D N A B U H
Maximum Bore
Outsde Diameter of Flange
Tolerance
Maximum Chamfer
B
D
D
C
1.13/16 2.1/16 2.9/16 3.1/16 4.1/16 5.1/8 7.1/16 9 11 13.5/8 16.3/4
1.84 2.09 2.59 3.09 4.09 5.16 7.09 9.03 11.03 13.66 16.78
7.38 7.88 9.12 10.62 12.44 14.06 18.88 21.75 25.75 30.25 34.31
±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.12 ±0.12 ±0.12 ±0.12 ±0.12
0.12 0.12 0.12 0.12 0.12 0.12 0.25 0.25 0.25 0.25 0.25
1.13/16 2.1/16 2.9/16 3.1/16 4.1/16 5.1/8 7.1/16
1.84 2.09 2.59 3.09 4.09 5.16 7.09
8.19 8.75 10.00 11.31 14.19 16.50 19.88
±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.12
0.12 0.12 0.12 0.12 0.12 0.12 0.25
1.13/16
1.84
10.12
±0.06
0.12
2.1/16 2.9/16 3.1/16 4.1/16 7.1/16
2.09 2.59 3.09 4.09 7.09
11.31 12.81 14.06 17.56 25.81
±0.06 ±0.06 ±0.06 ±0.06 ±0.12
0.12 0.12 0.12 0.12 0.25
Type 6BX Blind Flanges for 10,000, 15,000 & 20,000 PSI Rated Wo Nominal Size and Bore of Flange
S N O I S N E M I D E R O B
Maximum Bore
Outsde Diameter of Flange
Tolerance
Maximum Chamfer
B
D
D
C
1.13/16 2.1/16 2.9/16 3.1/16 4.1/16
1.84 2.09 2.59 3.09 4.09
7.38 7.88 9.12 10.62 12.44
±0.06 ±0.06 ±0.06 ±0.06 ±0.06
0.12 0.12 0.12 0.12 0.12
1.13/16 2.1/16
1.84 2.09
8.19 8.75
±0.06 ±0.06
0.12 0.12
N A B U H
2.9/16 3.1/16 4.1/16
2.59 3.09 4.09
10.00 11.31 14.19
±0.06 ±0.06 ±0.06
0.12 0.12 0.12
1.13/16 2.1/16 2.9/16 3.1/16 4.1/16
1.84 2.09 2.59 3.09 4.09
10.12 11.31 12.81 14.06 17.56
±0.06 ±0.06 ±0.06 ±0.06 ±0.06
0.12 0.12 0.12 0.12 0.12
g pressure ratings:
15,000 PSI
20,000 PSI
22,500 PSI
30,000 PSI
1, 2, 3 & 4
1, 2, 3 & 4
K (-60 Deg C) K (-60 Deg C) To To Y (+345 Deg C) Y (+345 Deg C) 75,000 PSI 95,000 PSI API 75K
75,000 PSI 95,000 PSI API 75K
75,000 PSI 95,000 PSI API 75K
75,000 PSI 95,000 PSI API 75K
Tolerance
Max. Bore of Welding Neck Flange
A +0.09 / +0.09 / +0.09 / +0.09 / +0.09 / +0.16 / +0.16 / +0.16 / -
-0.03 -0.03 -0.03 -0.03 -0.08 -0.03 -0.03 -0.03
Maximum Bore
Outsde Diameter of Flange
Tolerance
Maximum Chamfer
B
B
D
D
C
2.10 2.50 3.10 4.06 4.84 5.79 7.84 9.78 -
2.09 2.59 3.22 4.28 5.16 7.16 9.03 11.03 13.66 16.78 21.28
6.50 7.50 8.25 10.75 13.00 14.00 16.50 20.00 22.00 27.00 32.00
±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.12 ±0.12 ±0.12 ±0.12 ±0.12 ±0.12
0.12 0.12 0.12 0.12 0.12 0.25 0.25 0.25 0.25 0.25 0.25
Neck Diameter Welding Neck Line-Pipe Flange
Tolerance
Max. Bore of Welding Neck Flange
Maximum Bore
Outsde Diameter of Flange
Tolerance
A
A
B
B
D
D
2.38 2.88 3.50 4.50 5.56 6.63 8.63 10.75 -
+0.09 / -0.03 +0.09 / -0.03 +0.09 / -0.03 +0.09 / -0.03 +0.09 / -0.08 +0.16 / -0.03 +0.16 / -0.03 +0.16 / -0.03 -
1.97 2.35 2.93 3.86 4.84 5.79 7.47 9.34 -
2.09 2.59 3.22 4.28 5.16 7.16 9.03 11.03 13.66 16.78 20.78
8.50 9.62 9.50 11.50 13.75 15.00 18.50 21.50 24.00 27.75 33.75
±0.06 ±0.06 ±0.06 ±0.06 ±0.06 ±0.12 ±0.12 ±0.12 ±0.12 ±0.12 ±0.12
Neck Diameter Welding Neck Line-Pipe Flange
Tolerance
Max. Bore of Welding Neck Flange
Maximum Bore
Outsde Diameter of Flange
Tolerance
A
A
B
B
D
D
2.38
+0.09 / -0.03
1.72
2.09
8.50
±0.06
2.88 3.50 4.50 5.56 6.63 8.63 10.75
+0.09 / -0.03 +0.09 / -0.03 +0.09 / -0.03 +0.09 / -0.08 +0.16 / -0.03 +0.16 / -0.03 +0.16 / -0.03
2.16 2.65 3.47 4.34 5.22 6.84 8.53
2.59 3.22 4.28 5.16 7.16 9.03 11.03
9.62 10.50 12.25 14.75 15.50 19.00 23.00
±0.06 ±0.06 ±0.06 ±0.06 ±0.12 ±0.12 ±0.12
0,000 PSI Rated Working Pressure
Diameter of Raised Face
F
Total Thickness Large Diameter Small Diameter Length of Hub of Flange of Hub of Hub
T
A
E
Radius of Hub
L
R
7.31 7.75
0.62 0.62
7.31 7.75
0.62 0.62
2000 PSI 31.69 35.75
4.97 5.28
32.91 36.69
29.25 32.80 3000 PSI
32.75 36.31
6.34 6.58
34.25 38.19
30.56 34.30
5000 PSI 18.00 21.06 24.69 27.62
4.44 5.13 6.53 7.12
18.94 21.88 26.56 29.88
16.69 20.75 23.56 26.75
4.50 3.00 6.00 6.50
0.62 0.75 0.62 0.69
10,000 PSI 4.12 4.38 5.19 6.00 7.28 8.69 11.88 14.12 16.88 20.38 22.69 27.44 30.75
1.66 1.73 2.02 2.30 2.77 3.12 4.06 4.88 5.56 6.62 6.62 8.78 9.50
3.50 3.94 4.75 5.59 7.19 8.81 11.88 14.75 17.75 21.75 25.81 29.62 33.38
2.56 2.94 3.62 4.34 5.75 7.19 10.00 12.88 15.75 19.50 23.69 26.56 30.00
1.91 2.03 2.25 2.50 2.88 3.19 3.75 3.69 4.06 4.50 3.00 6.12 6.50
0.38 0.38 0.38 0.38 0.38 0.38 0.62 0.62 0.62 0.62 0.75 0.62 0.81
15,000 PSI 4.19 4.50 5.25 6.06 7.62 8.88 12.00 15.00 17.88 21.31 28.44
1.78 2.00 2.25 2.53 3.09 3.88 4.60 5.75 7.38 8.06 10.06
3.84 4.38 5.06 6.06 7.69 9.62 12.81 17.00 23.00 23.44 32.00
2.81 3.25 3.94 4.81 6.25 7.88 10.88 13.75 16.81 20.81 28.75
1.88 2.12 2.25 2.50 2.88 3.22 2.62 4.88 9.28 4.50 6.12
0.38 0.38 0.38 0.38 0.38 0.62 0.62 0.62 0.62 1.00 1.00
20,000 PSI 4.62 5.19 5.94 6.75 8.62 13.88 17.38 19.88 24.19
2.50 2.81 3.12 3.38 4.19 6.50 8.06 8.81 11.50
5.25 6.06 6.81 7.56 9.56 15.19 18.94 22.31 27.31
4.31 5.00 5.69 6.31 8.12 13.31 16.88 20.00 24.75
1.94 2.06 2.31 2.50 2.88 3.81 4.25 4.06 5.25
0.38 0.38 0.38 0.38 0.38 0.62 1.00 1.00 1.00
ated Working Pressure
Diameter of Raised Face
F
Total Thickness Large Diameter Small Diameter Length of Hub of Flange of Hub of Hub
T
A
E
4.12 4.38 5.19 6.00 7.28 8.69 11.88 14.12 16.88 20.38 22.69
1.66 1.73 2.02 2.30 2.77 3.12 4.06 4.88 5.56 6.62 6.62
3.50 3.94 4.75 5.59 7.19 8.81 11.88 14.75 17.75 21.75 25.81
2.56 2.94 3.62 4.34 5.75 7.19 10.00 12.88 15.75 19.50 23.69
4.19 4.50 5.25 6.06 7.62 8.88 12.00
1.78 2.00 2.25 2.53 3.09 3.88 4.60
3.84 4.38 5.06 6.06 7.69 9.62 12.81
2.81 3.25 3.94 4.81 6.25 7.88 10.88
4.62
2.50
5.25
4.31
L 10,000 PSI 1.91 2.03 2.25 2.50 2.88 3.19 3.75 3.69 4.06 4.50 3.00 15,000 PSI 1.88 2.12 2.25 2.50 2.88 3.22 2.62 20,000 PSI 1.94
Radius of Hub
R 0.38 0.38 0.38 0.38 0.38 0.38 0.62 0.62 0.62 0.62 0.75 0.38 0.38 0.38 0.38 0.38 0.62 0.62 0.38
5.19 5.94 6.75 8.62 13.88
2.81 3.12 3.38 4.19 6.50
6.06 6.81 7.56 9.56 15.19
5.00 5.69 6.31 8.12 13.31
2.06 2.31 2.50 2.88 3.81
0.38 0.38 0.38 0.38 0.62
rking Pressure
Diameter of Raised Face
F
Total Thickness Large Diameter Small Diameter Length of Hub of Flange of Hub of Hub
T
A
E
4.12 4.38 5.19 6.00 7.28
1.66 1.73 2.02 2.30 2.77
3.50 3.94 4.75 5.59 7.19
2.56 2.94 3.62 4.34 5.75
4.19 4.50
1.78 2.00
3.84 4.38
2.81 3.25
L 10,000 PSI 1.91 2.03 2.25 2.50 2.88 15,000 PSI 1.88 2.12
Radius of Hub
R 0.38 0.38 0.38 0.38 0.38 0.38 0.38
5.25 6.06 7.62
2.25 2.53 3.09
5.06 6.06 7.69
3.94 4.81 6.25
4.62 5.19 5.94 6.75 8.62
2.50 2.81 3.12 3.38 4.19
5.25 6.06 6.81 7.56 9.56
4.31 5.00 5.69 6.31 8.12
2.25 2.50 2.88 20,000 PSI 1.94 2.06 2.31 2.50 2.88
0.38 0.38 0.38 0.38 0.38 0.38 0.38 0.38
Diameter of Raised Face
Total Thickness Basic Thickness Diameter of Bolt Diameter of Hub Number of Bolts of Flange of Flange Circle
F
T
G
A
P
4.25 5.00 5.75 6.88 8.25 9.50 11.88 14.00 16.25 20.00 25.00
1.31 1.44 1.56 1.81 2.06 2.19 2.50 2.81 2.94 3.31 3.88
1.00 1.12 1.25 1.50 1.75 1.88 2.19 2.50 2.62 3.00 3.50
3.31 3.94 4.62 6.00 7.44 8.75 10.75 13.50 15.75 19.50 24.00
5.00 5.88 6.62 8.50 10.50 11.50 13.75 17.00 19.25 23.75 28.50
8 8 8 8 8 12 12 16 20 20 24
Maximum Chamfer
Diameter of Raised Face
Total Thickness Basic Thickness Diameter of Bolt Diameter of Hub of Flange of Flange Circle
C
F
T
G
A
P
0.12 0.12 0.12 0.12 0.12 0.25 0.25 0.25 0.25 0.25 0.25
4.88 5.38 6.12 7.12 8.50 9.50 12.12 14.25 16.50 20.62 25.50
1.81 1.94 1.81 2.06 2.31 2.50 2.81 3.06 3.44 3.94 4.75
1.50 1.62 1.50 1.75 2.00 2.19 2.50 2.75 3.12 3.50 4.25
4.12 4.88 5.00 6.25 7.50 9.25 11.75 14.50 16.50 20.00 24.50
6.50 7.50 7.50 9.25 11.00 12.50 15.50 18.50 21.00 24.25 29.50
Maximum Chamfer
Diameter of Raised Face
C
F
T
G
A
P
0.12
4.88
1.81
1.50
4.12
6.50
Total Thickness Basic Thickness Diameter of Bolt Diameter of Hub of Flange of Flange Circle
0.12 0.12 0.12 0.12 0.25 0.25 0.25
5.38 6.62 7.62 9.00 9.75 12.50 14.63
Diameter of Bolt Number of Bolts Circle
1.94 2.19 2.44 3.19 3.62 4.06 4.69
Diameter of Bolts
1.62 1.88 2.12 2.88 3.25 3.62 4.25
4.88 5.25 6.38 7.75 9.00 11.50 14.50
Bolt Hole Diameter of Bolt Tolerance (see Holes note)
7.50 8.00 9.50 11.50 12.50 15.50 19.00
Length of Bolts
P
37.50 40.94
20 32
1.3/4 1.5/8
1.88 1.75
+0.09 +0.09
13.75 14.25
39.38 42.94
24 32
2 1.7/8
2.12 2.00
+0.09 +0.09
17.00 17.75
23.25 26.62 31.62 34.88
16 16 20 24
1.5/8 1.7/8 2 2
1.75 2.00 2.12 2.12
+0.09 +0.09 +0.09 +0.09
12.50 14.50 17.50 18.75
5.75 6.25 7.25 8.50 10.19 11.81 15.88 18.75 22.25 26.50 30.56 36.44 40.25
8 8 8 8 8 12 12 16 16 20 24 24 24
3/4 3/4 7/8 1 1.1/8 1.1/8 1.1/2 1.1/2 1.3/4 1.7/8 1.7/8 2.1/4 2.1/2
0.88 0.88 1.00 1.12 1.25 1.25 1.62 1.62 1.88 2.00 2.00 2.38 2.62
+0.06 +0.06 +0.06 +0.06 +0.06 +0.06 +0.09 +0.09 +0.09 +0.09 +0.09 +0.09 +0.09
5.00 5.20 6.00 6.75 8.00 8.75 11.25 13.00 15.00 17.25 17.50 22.50 24.50
6.31 6.88 7.88 9.06 11.44 13.50 16.88 21.75 28.00 30.38 40.00
8 8 8 8 8 12 16 16 20 20 20
7/8 7/8 1 1.1/8 1.3/8 1.1/2 1.1/2 1.7/8 2 2.1/4 3
1.00 1.00 1.12 1.25 1.50 1.62 1.62 2.00 2.12 2.38 3.12
+0.06 +0.06 +0.06 +0.06 +0.06 +0.09 +0.09 +0.09 +0.09 +0.09 +0.12
5.50 6.00 6.75 7.50 9.25 11.50 12.75 15.75 19.25 21.25 26.75
8.00 9.06 10.31 11.31 14.06 21.81 27.00 29.50 40.00
8 8 8 8 8 16 16 16 20
1 1.1/8 1.1/4 1.3/8 1.3/4 2 2.1/2 2.3/4 3
1.12 1.25 1.38 1.50 1.88 2.12 2.62 2.88 3.12
+0.06 +0.06 +0.06 +0.06 +0.09 +0.09 +0.09 +0.09 +0.12
7.50 8.25 9.25 10.00 12.25 17.50 22.38 23.75 30.00
Diameter of Bolt Number of Bolts Circle
Diameter of Bolts
Bolt Hole Diameter of Bolt Tolerance (see Holes note)
Length of Bolts
P 5.75 6.25 7.25 8.50 10.19 11.81 15.88 18.75 22.25 26.50 30.56
8 8 8 8 8 12 12 16 16 20 24
3/4 3/4 7/8 1 1.1/8 1.1/8 1.1/2 1.1/2 1.3/4 1.7/8 1.7/8
0.88 0.88 1.00 1.12 1.25 1.25 1.62 1.62 1.88 2.00 2.00
+0.06 +0.06 +0.06 +0.06 +0.06 +0.06 +0.09 +0.09 +0.09 +0.09 +0.09
5.00 5.20 6.00 6.75 8.00 8.75 11.25 13.00 15.00 17.25 17.50
6.31 6.88 7.88 9.06 11.44 13.50 16.88
8 8 8 8 8 12 16
7/8 7/8 1 1.1/8 1.3/8 1.1/2 1.1/2
1.00 1.00 1.12 1.25 1.50 1.62 1.62
+0.06 +0.06 +0.06 +0.06 +0.06 +0.09 +0.09
5.50 6.00 6.75 7.50 9.25 11.50 12.75
8.00
8
1
1.12
+0.06
7.50
9.06 10.31 11.31 14.06 21.81
8 8 8 8 16
Diameter of Bolt Number of Bolts Circle
1.1/8 1.1/4 1.3/8 1.3/4 2
Diameter of Bolts
1.25 1.38 1.50 1.88 2.12
+0.06 +0.06 +0.06 +0.09 +0.09
Bolt Hole Diameter of Bolt Tolerance (see Holes note)
8.25 9.25 10.00 12.25 17.50
Length of Bolts
P 5.75 6.25 7.25 8.50 10.19
8 8 8 8 8
3/4 3/4 7/8 1 1.1/8
0.88 0.88 1.00 1.12 1.25
+0.06 +0.06 +0.06 +0.06 +0.06
5.00 5.20 6.00 6.75 8.00
6.31 6.88
8 8
7/8 7/8
1.00 1.00
+0.06 +0.06
5.50 6.00
7.88 9.06 11.44
8 8 8
1 1.1/8 1.3/8
1.12 1.25 1.50
+0.06 +0.06 +0.06
6.75 7.50 9.25
8.00 9.06 10.31 11.31 14.06
8 8 8 8 8
1 1.1/8 1.1/4 1.3/8 1.3/4
1.12 1.25 1.38 1.50 1.88
+0.06 +0.06 +0.06 +0.06 +0.09
7.50 8.25 9.25 10.00 12.25
Diameter of Bolts
5/8 3/4 3/4 7/8 1 1 1.1/8 1.1/4 1.1/4 1.1/2 1.5/8
Bolt Hole Diameter of Bolt Tolerance (see Holes note)
0.75 0.88 0.88 1.00 1.12 1.12 1.25 1.38 1.38 1.62 1.75
+0.06 +0.06 +0.06 +0.06 +0.06 +0.06 +0.06 +0.06 +0.06 +0.09 +0.09
Length of Bolts
Ring Number. R or RX
4.50 5.00 5.25 6.00 6.75 7.00 8.00 8.75 9.00 10.25 11.75
23 26 31 37 41 45 49 53 57 65 73
Number of Bolts
Diameter of Bolts
8 8 8 8 8 12 12 16 20 20 20
7/8 1 7/8 1.1/8 1.1/4 1.1/8 1.3/8 1.3/8 1.3/8 1.5/8 2
Number of Bolts
Diameter of Bolts
8
7/8
Bolt Hole Diameter of Bolt Tolerance (see Holes note)
1.00 1.12 1.00 1.25 1.38 1.25 1.50 1.50 1.50 1.75 2.12
+0.06 +0.06 +0.06 +0.06 +0.06 +0.06 +0.06 +0.06 +0.06 +0.09 +0.09
Bolt Hole Diameter of Bolt Tolerance (see Holes note)
1.00
+0.06
Length of Bolts
Ring Number. R or RX
6.00 6.50 6.00 7.00 7.75 8.00 9.00 9.50 10.25 11.75 14.50
24 27 31 37 41 45 49 53 57 66 74
Length of Bolts
Ring Number. R or RX
6.00
24
8 8 8 8 12 12 12
Ring Number. R or RX
167 303
168 303
1 1.1/8 1.1/4 1.1/2 1.3/8 1.5/8 1.7/8
1.12 1.25 1.38 1.62 1.50 1.75 2.00
+0.06 +0.06 +0.06 +0.06 +0.06 +0.09 +0.09
6.50 7.25 8.00 10.00 10.75 12.00 13.75
27 35 39 44 46 50 54
160 162 163 165
151 152 153 154 155 169 156 157 158 159 162 164 166
151 152 153 154 155 169 156 157 158 159 164
151 152 153 154 155 156 157 158 159
Ring Number. R or RX
151 152 153 154 155 169 156 157 158 159 162 151 152 153 154 155 169 156 151
152 153 154 155 156
Ring Number. R or RX
151 152 153 154 155 151 152
