asme-b-16-5-class-400

Bolt & Stud Bolt Diameter and Length for ASME B16.5 Class 600 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
47/85.755.505.75
516.56.256.50
616.756.506.75
81 1/87.507.257.75
101 1/48.508.258.50
121 1/48.758.508.75
141 3/89.259.009.25
161 1/210.009.7510.00
181 5/810.7510.5010.75
201 5/811.2511.0011.50
241 7/813.0012.7513.25

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.