Hexagon screw DIN 933 M8x40 zinced
Hot-dip galvanised (HDG) U-bolt for fastening uninsulated pipes to MI girders
- Material composition: U-bolt: DD11 MOD - HN 555-4, S235JR - DIN EN 10025-2; Nut: Steel grade 8
- Surface finish: HDG: 45 µm - DIN EN ISO 10684
- Environmental conditions: Outdoor, low to moderate pollution (C3 / C4 - low)
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Technical Data

Material composition
U-bolt: DD11 MOD - HN 555-4, S235JR - DIN EN 10025-2; Nut: Steel grade 8
Surface finish
HDG: 45 µm - DIN EN ISO 10684
Environmental conditions
Outdoor, low to moderate pollution (C3 / C4 - low)
Documents
Features & Applications
Features
- Small contact surface between U-bolt and pipe
- Minimises crevice corrosion
- Complies with the DIN standard for U-bolts
- No contact between the ring closure screw and the pipe
Applications
- Part of a modular four-part system for supporting cable trays, pipes and miscellaneous secondary steel
- Industrial and heavy commercial applications, eliminating the need for welding
- For uninsulated pipes
For approval or certificate information, please see individual items.