Stud bolts
ASME B16.5 – Stud bolts for ASME B16.5 flanges
ASME B16.5 · Class 150, 300 and 600. Dimensions from the HBS technical datasheet – in stock, with EN 10204 3.1 / 3.2 certificates.
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Dimensions
ASME B16.5 dimension tables.
Number, diameter and length of stud bolts – dimensions in inches
| NPS | Class 150 | Class 300 | Class 600 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bolts | Ø d | L RF | L RTJ | Bolts | Ø d | L RF | L RTJ | Bolts | Ø d | L RF | L RTJ | |
| 1/2" | 4 | 1/2 | 2-1/4 | – | 4 | 1/2 | 2-1/2 | 3 | 4 | 1/2 | 3 | 3 |
| 3/4" | 4 | 1/2 | 2-1/2 | – | 4 | 5/8 | 3 | 3-1/2 | 4 | 5/8 | 3-1/2 | 3-1/2 |
| 1" | 4 | 1/2 | 2-1/2 | 3 | 4 | 5/8 | 3 | 3-1/2 | 4 | 5/8 | 3-1/2 | 3-1/2 |
| 1-1/4" | 4 | 1/2 | 2-3/4 | 3-1/4 | 4 | 5/8 | 3-1/4 | 3-3/4 | 4 | 5/8 | 3-3/4 | 3-3/4 |
| 1-1/2" | 4 | 1/2 | 2-3/4 | 3-1/4 | 4 | 3/4 | 3-1/2 | 4 | 4 | 3/4 | 4-1/4 | 4-1/4 |
| 2" | 4 | 5/8 | 3-1/4 | 3-3/4 | 8 | 5/8 | 3-1/2 | 4 | 8 | 5/8 | 4-1/4 | 4-1/4 |
| 2-1/2" | 4 | 5/8 | 3-1/2 | 4 | 8 | 3/4 | 4 | 4-1/2 | 8 | 3/4 | 4-3/4 | 4-3/4 |
| 3" | 4 | 5/8 | 3-1/2 | 4 | 8 | 3/4 | 4-1/4 | 4-3/4 | 8 | 3/4 | 5 | 5 |
| 3-1/2" | 8 | 5/8 | 3-1/2 | 4 | 8 | 3/4 | 4-1/4 | 5 | 8 | 7/8 | 5-1/2 | 5-1/2 |
| 4" | 8 | 5/8 | 3-1/2 | 4 | 8 | 3/4 | 4-1/2 | 5 | 8 | 7/8 | 5-3/4 | 5-3/4 |
| 5" | 8 | 3/4 | 3-3/4 | 4-1/4 | 8 | 3/4 | 4-3/4 | 5-1/4 | 8 | 1 | 6-1/2 | 6-1/2 |
| 6" | 8 | 3/4 | 4 | 4-1/2 | 12 | 3/4 | 4-3/4 | 5-1/2 | 12 | 1 | 6-3/4 | 6-3/4 |
| 8" | 8 | 3/4 | 4-1/4 | 4-3/4 | 12 | 7/8 | 5-1/2 | 6 | 12 | 1-1/8 | 7-1/2 | 7-3/4 |
| 10" | 12 | 7/8 | 4-1/2 | 5 | 16 | 1 | 6-1/4 | 6-3/4 | 16 | 1-1/4 | 8-1/2 | 8-1/2 |
| 12" | 12 | 7/8 | 4-3/4 | 5-1/4 | 16 | 1-1/8 | 6-3/4 | 7-1/4 | 20 | 1-1/4 | 8-3/4 | 8-3/4 |
| 14" | 12 | 1 | 5-1/4 | 5-3/4 | 20 | 1-1/8 | 7 | 7-1/2 | 20 | 1-3/8 | 9-1/4 | 9-1/4 |
| 16" | 16 | 1 | 5-1/4 | 5-3/4 | 20 | 1-1/4 | 7-1/2 | 8 | 20 | 1-1/2 | 10 | 10 |
| 18" | 16 | 1-1/8 | 5-3/4 | 6-1/4 | 24 | 1-1/4 | 7-3/4 | 8-1/4 | 20 | 1-5/8 | 10-3/4 | 10-3/4 |
| 20" | 20 | 1-1/8 | 6-1/4 | 6-3/4 | 24 | 1-1/4 | 8 | 8-3/4 | 24 | 1-5/8 | 11-1/4 | 11-1/2 |
| 24" | 20 | 1-1/4 | 6-3/4 | 7-1/4 | 24 | 1-1/2 | 9 | 10 | 24 | 1-7/8 | 13 | 13-1/4 |
Number, diameter and length of stud bolts – dimensions in inches
| NPS | Class 900 | Class 1500 | Class 2500 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bolts | Ø d | L RF | L RTJ | Bolts | Ø d | L RF | L RTJ | Bolts | Ø d | L RF | L RTJ | |
| 1/2" | 4 | 3/4 | 4-1/4 | 4-1/4 | 4 | 3/4 | 4-1/4 | 4-1/4 | 4 | 3/4 | 4-3/4 | 4-3/4 |
| 3/4" | 4 | 3/4 | 4-1/2 | 4-1/2 | 4 | 3/4 | 4-1/2 | 4-1/2 | 4 | 3/4 | 5 | 5 |
| 1" | 4 | 7/8 | 5 | 5 | 4 | 7/8 | 5 | 5 | 4 | 7/8 | 5-1/2 | 5-1/2 |
| 1-1/4" | 4 | 7/8 | 5 | 5 | 4 | 7/8 | 5 | 5 | 4 | 1 | 6 | 6 |
| 1-1/2" | 4 | 1 | 5-1/2 | 5-1/2 | 4 | 1 | 5-1/2 | 5-1/2 | 4 | 1-1/8 | 6-3/4 | 6-3/4 |
| 2" | 8 | 7/8 | 5-3/4 | 5-3/4 | 8 | 7/8 | 5-3/4 | 5-3/4 | 8 | 1 | 7 | 7 |
| 2-1/2" | 8 | 1 | 6-1/4 | 6-1/4 | 8 | 1 | 6-1/4 | 6-1/4 | 8 | 1-1/8 | 7-3/4 | 8 |
| 3" | 8 | 7/8 | 5-3/4 | 5-3/4 | 8 | 1-1/8 | 7 | 7 | 8 | 1-1/4 | 8-3/4 | 9 |
| 4" | 8 | 1-1/8 | 6-3/4 | 6-3/4 | 8 | 1-1/4 | 7-3/4 | 7-3/4 | 8 | 1-1/2 | 10 | 10-1/4 |
| 5" | 8 | 1-1/4 | 7-1/2 | 7-1/2 | 8 | 1-1/2 | 9-3/4 | 9-3/4 | 8 | 1-3/4 | 11-3/4 | 12-1/4 |
| 6" | 12 | 1-1/8 | 7-1/2 | 7-3/4 | 12 | 1-3/8 | 10-1/4 | 10-1/2 | 8 | 2 | 13-1/2 | 14 |
| 8" | 12 | 1-3/8 | 8-3/4 | 8-3/4 | 12 | 1-5/8 | 11-1/2 | 11-3/4 | 12 | 2 | 15 | 15-1/2 |
| 10" | 16 | 1-3/8 | 9-1/4 | 9-1/4 | 12 | 1-7/8 | 13-1/4 | 13-1/2 | 12 | 2-1/2 | 19-1/4 | 20 |
| 12" | 20 | 1-3/8 | 10 | 10 | 16 | 2 | 14-3/4 | 15-1/4 | 12 | 2-3/4 | 21-1/4 | 22 |
| 14" | 20 | 1-1/2 | 10-3/4 | 11 | 16 | 2-1/4 | 16 | 16-3/4 | – | – | – | – |
| 16" | 20 | 1-5/8 | 11-1/4 | 11-1/2 | 16 | 2-1/2 | 17-1/2 | 18-1/2 | – | – | – | – |
| 18" | 20 | 1-7/8 | 12-3/4 | 13-1/4 | 16 | 2-3/4 | 19-1/2 | 20-3/4 | – | – | – | – |
| 20" | 20 | 2 | 13-3/4 | 14-1/4 | 16 | 3 | 21-1/4 | 22-1/4 | – | – | – | – |
| 24" | 20 | 2-1/2 | 17-1/4 | 18 | 16 | 3-1/2 | 24-1/4 | 25-1/2 | – | – | – | – |
- NPS
- Nominal pipe size
- Bolts
- Number of stud bolts per flange joint
- d
- Stud bolt diameter, inch
- L
- Stud bolt length, inch
- RF
- Raised face flanges
Stud bolts to ASME B18.31.2 (continuous thread), each with two heavy hex nuts to ASME B18.2.2.
– = not listed. Configure at hbsfasteners.nl/products/stud-bolts.
Class 2500 flanges are standardised up to NPS 12.
– = not listed.
Questions
ASME B16.5 – frequently asked questions.
- What is ASME B16.5?
- ASME B16.5 is the standard for stud bolts for asme b16.5 flanges (ASME B16.5 · Class 150, 300 and 600). HBS Solutions supplies ASME B16.5 stud bolts from stock, with EN 10204 3.1 / 3.2 certificates.
- Which sizes does ASME B16.5 cover?
- The HBS datasheet lists ASME B16.5 from 1/2" to 24". The full dimension tables are on this page and in the free PDF datasheet.
- How do I order ASME B16.5 stud bolts?
- Configure the part online or send your parts list through the quote form; HBS Solutions replies with a quotation within 24 hours. Stock items ship from 500.000+ pieces in stock in Almere, the Netherlands.
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