Dimensions Stud Bolts for RF-RTJ flanges ASME B16.5 Class 1500

Stud bolt with two nuts

OTHER PRESSURE CLASSES

150
300
400
600
900
1500
NPS DIA
bolts (in)
Length
RF
Length
RTJ
Number
of bolts
1/2 3/4 110 110 4
3/4 3/4 115 115 4
1 7/8 125 125 4
1.1/4 7/8 125 125 4
1.1/2 1 140 140 4
2 7/8 145 145 8
2.1/2 1 160 160 8
3 1.1/8 180 180 8
4 1.1/4 195 195 8
5 1.1/2 250 250 8
6 1.3/8 260 265 12
8 1.5/8 290 300 12
10 1.7/8 335 345 12
12 2 375 385 16
14 2.1/4 405 425 16
16 2.1/2 445 470 16
18 2.3/4 495 525 16
20 3 540 565 16
24 3.1/2 615 650 16

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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