asme-b-16-5-class-400

Bolt & Stud Bolt Diameter and Length for ASME B16.5 Class 900 Flanges

Nominal Pipe Size, NPSDiameter of Bolts, in.Length of Bolts, L
Raised Face 0.25 in.Male and Female/ Tongue and GrooveRing Joint
1/23/44.254.004.25
3/43/44.504.254.50
17/85.004.755.00
1 1/47/85.004.755.00
1 1/215.505.255.50
27/85.755.505.75
2 1/216.256.006.25
37/85.755.505.75
41 1/86.756.506.75
51 1/47.507.257.50
61 1/87.507.257.75
81 3/88.758.508.75
101 3/89.259.009.25
121 3/810.009.7510.00
141 1/210.7510.5011.00
161 5/811.2511.0011.50
181 7/812.7512.5013.25
20213.7513.5014.25
242 1/217.2517.0018.00

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.