Our premium heavy hex bolting sets are engineered for reliable performance in EN 1092-1 and EN 1092-2 PN 10 to PN 40 flanged joints. Each complete assembly includes a heavy hex bolt, a matching heavy hex nut, and an optional hardened plain washer, providing superior load distribution and wrench engagement. These components ensure secure gasket compression and maintain long-term joint integrity under demanding service conditions.
Available size for pipe flange PN 16
| Size | Flange bolting | Heavy hex bolt | Heavy hex nut and plain washer | Ref. No. |
|---|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 4 x 14 | M12 x 50 | M12 | NE4601-PN16 |
| 3/4″ / DN20 / 26.9mm | 4 x 14 | M12 x 55 | M12 | NE4602-PN16 |
| 1″ / DN25 / 33.7mm | 4 x 14 | M12 x 55 | M12 | NE4603-PN16 |
| 1-1/4″ / DN32 / 42.4mm | 4 x 18 | M16 x 60 | M16 | NE4604-PN16 |
| 1-1/2″ / DN40 / 48.3mm | 4 x 18 | M16 x 60 | M16 | NE4605-PN16 |
| 2″ / DN50 / 60.3mm | 4 x 18 | M16 x 60 | M16 | NE4606-PN16 |
| 2-1/2″ / DN65 / 76.1mm | 8 (4) x 18 | M16 x 60 | M16 | NE4607-PN16 |
| 3″ / DN80 / 88.9mm | 8 x 18 | M16 x 65 | M16 | NE4608-PN16 |
| 4″ / DN100 / 114.3mm | 8 x 18 | M16 x 65 | M16 | NE4609-PN16 |
| 5″ / DN125 / 139.7mm | 8 x 18 | M16 x 70 | M16 | NE4610-PN16 |
| 6″ / DN150 / 165.1 / 168.3mm | 8 x 22 | M20 x 75 | M20 | NE4611-PN16 |
| 8″ / DN200 / 219.1mm | 12 x 22 | M20 x 80 | M20 | NE4612-PN16 |
| 10″ / DN250 / 273.0mm | 12 x 26 | M24 x 85 | M24 | NE4613-PN16 |
| 12″ / DN300 / 323.9mm | 12 x 26 | M24 x 90 | M24 | NE4614-PN16 |
| 14″ / DN350 / 355.6mm | 16 x 26 | M24 x 95 | M24 | NE4615-PN16 |
Note:
Please download our catalog for more available sizes.
Available size for pipe flange PN 10
| Size | Flange bolting | Heavy hex bolt | Heavy hex nut and plain washer | Ref. No. |
|---|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 4 x 14 | M12 x 50 | M12 | NE4601-PN10 |
| 3/4″ / DN20 / 26.9mm | 4 x 14 | M12 x 55 | M12 | NE4602-PN10 |
| 1″ / DN25 / 33.7mm | 4 x 14 | M12 x 55 | M12 | NE4603-PN10 |
| 1-1/4″ / DN32 / 42.4mm | 4 x 18 | M16 x 60 | M16 | NE4604-PN10 |
| 1-1/2″ / DN40 / 48.3mm | 4 x 18 | M16 x 60 | M16 | NE4605-PN10 |
| 2″ / DN50 / 60.3mm | 4 x 18 | M16 x 60 | M16 | NE4606-PN10 |
| 2-1/2″ / DN65 / 76.1mm | 8 (4) x 18 | M16 x 60 | M16 | NE4607-PN10 |
| 3″ / DN80 / 88.9mm | 8 x 18 | M16 x 65 | M16 | NE4608-PN10 |
| 4″ / DN100 / 114.3mm | 8 x 18 | M16 x 65 | M16 | NE4609-PN10 |
| 5″ / DN125 / 139.7mm | 8 x 18 | M16 x 70 | M16 | NE4610-PN10 |
| 6″ / DN150 / 165.1 / 168.3mm | 8 x 22 | M20 x 75 | M20 | NE4611-PN10 |
| 8″ / DN200 / 219.1mm | 8 x 22 | M20 x 80 | M20 | NE4612-PN10 |
| 10″ / DN250 / 273.0mm | 12 x 22 | M20 x 80 | M20 | NE4613-PN10 |
| 12″ / DN300 / 323.9mm | 12 x 22 | M20 x 80 | M20 | NE4614-PN10 |
| 14″ / DN350 / 355.6mm | 16 x 22 | M20 x 80 | M20 | NE4615-PN10 |
Note:
Please download our catalog for more available sizes.
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