Dimensions Stud Bolts for RF-RTJ flanges ASME B16.5 Class 600

Stud bolt with two nuts

OTHER PRESSURE CLASSES

150
300
400
600
900
NPS DIA
bolts (in)
Length
RF
Length
RTJ
Number
of bolts
1/2 1/2 75 75 4
3/4 5/8 90 90 4
1 5/8 90 90 4
1.1/4 5/8 95 95 4
1.1/2 3/4 110 110 4
2 5/8 110 110 8
2.1/2 3/4 120 120 8
3 3/4 125 125 8
3.1/2 7/8 140 140 8
4 7/8 145 145 8
5 1 165 165 8
6 1 170 170 12
8 1.1/8 190 195 12
10 1.1/4 215 215 16
12 1.1/4 220 220 20
14 1.3/8 235 235 20
16 1.1/2 255 255 20
18 1.5/8 275 275 20
20 1.5/8 285 290 24
24 1.7/8 330 335 24

General notes..

  • Dimensions are in millimeters unless otherwise indicated.
  • Length dimensional tolerances for all Stud Bolts..
    length to 12 inch tolerance = ± 1.6 mm
    length over 12 inch to 18 inch tolerance = ± 3.2 mm
    length over 18 inch tolerance = ± 6.4 mm
  • The length of the Stud Bolt does not include the height of the chamfers (points).

Studs are measured parallel to the axis (L) from the first to the thread without the chamfers (points). S = free threads equals 1/3 time bolt dia

Measuring lengths of Stud Bolts

 

Hex bolts are measured from under the head to the top of de bolt


Measuring lengths of Hex bolts



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