Bolts
Bolts are fastening elements consisting of a cylindrical rod with an external thread and a head of various shapes, designed for connecting and securing different components of pipelines, equipment, and structures. They create a strong connection capable of withstanding significant mechanical loads and vibrations. Bolted joints allow for easy maintenance, assembly, and disassembly of various systems without damaging the connected elements.
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| Name | Bolt diameter, ds (mm) | Diameter of the circumcircle, e (mm) | Fastener type | Head height, k (mm) | Length, l (mm) | Rounding radius, r (mm) | Size | Standard | Steel grade | Thread pitch, p (mm) | Weight 1 pc (kg) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High-strength dowel bolt M30x155 DIN 7999 | 31 | 55.37 | High-strength hexagonal dowel bolt | 19 | 155 | 1.5 | M30 | DIN 7999 | cl. 10.9 | 0 | 1.18 |
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| Stainless flanged bolt M12x80 DIN 6921 | 11.73 | 17.62 | Flanged bolt | 11.5 | 80 | 0.6 | M12 | DIN 6921 | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 | 1.75 | 0.1 |
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| Stainless flanged bolt M12x80 DIN 6921 | 11.73 | 17.62 | Flanged bolt | 11.5 | 80 | 0.6 | M12 | DIN 6921 | X5CrNi18-10 / 1.4301 / 304 / A2 | 1.75 | 0.1 |
|
| Stainless dowel bolt M22x90 DIN 609 | 23 | 37.29 | Hexagonal dowel bolt | 14 | 90 | 0.8 | M22 | DIN 609 | X5CrNi18-10 / 1.4301 / 304 / A2 | 2.5 | 0.39 |
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| Bolt 7/16"-14UNC-2A x 3" ASME B18.2.1 | 0 | 0 | Hexagonal bolt | 0 | 76.2 | 0 | — | ASME B18.2.1 | A193 Gr. B16 | 0 | 0.06 |
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| Bolt 7/16"-14UNC-2A x 3" ASME B18.2.1 | 0 | 0 | Hexagonal bolt | 0 | 76.2 | 0 | — | ASME B18.2.1 | A320 Gr. L7M | 0 | 0.06 |
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| Bolt 7/16"-14UNC-2A x 3" ASME B18.2.1 | 0 | 0 | Hexagonal bolt | 0 | 76.2 | 0 | — | ASME B18.2.1 | A320 Gr. L7 | 0 | 0.06 |
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| Bolt 7/16"-14UNC-2A x 3" ASME B18.2.1 | 0 | 0 | Hexagonal bolt | 0 | 76.2 | 0 | — | ASME B18.2.1 | A193 Gr. B7M | 0 | 0.06 |
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| Bolt 7/16"-14UNC-2A x 3" ASME B18.2.1 | 0 | 0 | Hexagonal bolt | 0 | 76.2 | 0 | — | ASME B18.2.1 | A193 Gr. B7 | 0 | 0.06 |
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| Bolt M12x70 DIN 931 | 0 | 21.1 | Hexagonal bolt | 7.5 | 70 | 0.6 | M12 | DIN 931 | cl. 5.6 | 1.75 | 0 |
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