Dimensions Stud Bolts for RF-RTJ flanges ASME B16.5 – Class 2500

Class  150 | 300 | 400 | 600 | 900 | 1500 | 2500

NPS Diameter
bolts (in)
Length
RF
Length
RTJ
N°
of bolts
NPS Diameter
bolts (in)
Length
RF
Length
RTJ
N°
of bolts
1/2 3/4 120 120 4 3 1.1/4 220 230 8
3/4 3/4 125 125 4 4 1.1/2 255 260 8
1 7/8 140 140 4 5 1.3/4 300 310 8
1.1/4 1 150 150 4 6 2 345 355 8
1.1/2 1.1/8 170 170 4 8 2 380 395 12
2 1 180 180 8 10 2.1/2 490 510 12
2.1/2 1.1/8 195 205 8 12 2.3/4 540 560 12
NPS Diameter
bolts (in)
Length
RF
Length
RTJ
N°
of bolts
NPS Diameter
bolts (in)
Length
RF
Length
RTJ
N°
of bolts

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).
Measuring lengths of Stud Bolts and Hex bolts