asme-b-16-5-class-400

Bolt & Stud Bolt Diameter and Length for ASME B16.5 Class 400 Flanges

Nominal Pipe Size, NPSDiameter of Bolts, in.Length of Bolts, L
Raised Face 0.25 in.Male and Female/ Tongue and GrooveRing Joint
1/21/23.002.753.00
3/45/83.503.253.50
15/83.503.253.50
1 1/45/83.753.503.75
1 1/23/44.254.004.25
25/84.254.004.25
2 1/23/44.754.504.75
33/45.004.755.00
3 1/27/85.505.255.50
47/85.505.255.50
57/85.755.255.75
67/86.005.756.00
816.756.506.75
101 1/87.507.257.50
121 1/48.007.758.00
141 1/48.258.008.25
161 3/88.758.508.75
181 3/89.008.759.00
201 1/29.509.259.75
241 3/410.5010.2511.00

Notes:

  • Dimension are in inches.
  • Length of stud bolts does not include the height of the points.
  • Bolt lengths not shown in table may be determined in accordance with Annex D.