1 1/4 inch Stud Bolt for ASME B16.5 Flanges
1 1/4 inch (DN 32) to ASME B16.5: No. of studs 4; Stud dia ½"; Length — Raised face 70 mm; Length — Ring joint 85 mm.
Key to dimensions
1 1/4 inch Stud Bolt for ASME B16.5 Flanges — all dimensions
Class 150 stud bolts
| Dimension | Value | Equivalent |
|---|---|---|
| No. of studs | 4 | |
| Stud dia | ½" | |
| Length — Raised face | 70 mm | 2.76 in |
| Length — Ring joint | 85 mm | 3.35 in |
Class 300 stud bolts
| Dimension | Value | Equivalent |
|---|---|---|
| No. of studs | 4 | |
| Stud dia | ⅝" | |
| Length — Raised face | 85 mm | 3.35 in |
| Length — Ring joint | 95 mm | 3.74 in |
Class 600 stud bolts
| Dimension | Value | Equivalent |
|---|---|---|
| No. of studs | 4 | |
| Stud dia | ⅝" | |
| Length — Raised face | 95 mm | 3.74 in |
| Length — Ring joint | 95 mm | 3.74 in |
Class 900 stud bolts
| Dimension | Value | Equivalent |
|---|---|---|
| No. of studs | 4 | |
| Stud dia | ⅞" | |
| Length — Raised face | 125 mm | 4.92 in |
| Length — Ring joint | 125 mm | 4.92 in |
Class 1500 stud bolts
| Dimension | Value | Equivalent |
|---|---|---|
| No. of studs | 4 | |
| Stud dia | ⅞" | |
| Length — Raised face | 125 mm | 4.92 in |
| Length — Ring joint | 125 mm | 4.92 in |
Class 2500 stud bolts
| Dimension | Value | Equivalent |
|---|---|---|
| No. of studs | 4 | |
| Stud dia | 1" | |
| Length — Raised face | 150 mm | 5.91 in |
| Length — Ring joint | 150 mm | 5.91 in |
Values are nominal, from Stud Bolt Chart for ASME B16.5 Flanges. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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Other sizes — Stud Bolt Chart for ASME B16.5 Flanges
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FAQ
1 1/4 inch Stud Bolt for ASME B16.5 Flanges: common questions
What are the 1 1/4 inch Stud Bolt for ASME B16.5 Flanges?
1 1/4 inch (DN 32) to ASME B16.5: No. of studs 4; Stud dia ½"; Length — Raised face 70 mm; Length — Ring joint 85 mm.
Does Teshi Group manufacture 1 1/4 inch stud bolts and nuts?
Yes. Teshi Group is an OEM manufacturer in India of stud bolts and nuts to ASME B16.5, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 1 1/4 inch dimensions as a PDF?
Yes. Use “Download PDF for this size” on this page to get a single-size, print-ready PDF with the drawing and every tabulated dimension, or download the full Stud Bolt Chart for ASME B16.5 Flanges chart.
Need 1 1/4 inch stud bolts and nuts?
Teshi Group manufactures them in India — send your size, rating and material and get a quote in 24–48 hours.
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