Stud Bolt dimensions in Inches for RF-RTJ flanges ASME B16.5 Class 2500

Stud bolt with two nuts

OTHER PRESSURE CLASSES

150
300
400
600
900
2500
NPS DIA (in)
bolts
Length (in)
RF
Length (in)
RTJ
Number
of bolts
1/2 3/4 4.3/4 4.3/4 4
3/4 3/4 5 5 4
1 7/8 5.1/2 5.1/2 4
1.1/4 1 6 6 4
1.1/2 1.1/8 6.3/4 6.3/4 4
2 1 7 7 8
2.1/2 1.1/8 7.3/4 8 8
3 1.1/4 8.3/4 9 8
4 1.1/2 10 10.1/4 8
5 1.3/4 11.3/4 12.1/4 8
6 2 13.1/2 14 8
8 2 15 15.1/2 12
10 2.1/2 19.1/4 20 12
12 2.3/4 21.1/4 22 12

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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