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ISO 898-1 class 10.9 HV hex bolts to DIN 6914. Preloaded structural fasteners for steel-to-steel connections with matching DIN 6915 nuts and DIN 6916 washers. Listed M12–M30.
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185 sizes available
ISO 898-1 class 10.9 HV hex bolts to DIN 6914 (EN 14399-4 bolt). Large heads and controlled geometry for pretensioned high-strength structural bolting in steel-to-steel connections. Listed M12–M30. Property class 10.9 only — there is no 8.8 HV bolt in this system.
Always assemble as a set: DIN 6914 bolt + DIN 6915 class 10 nut + DIN 6916 washers under head and nut. Tightening follows the HV pretension method in the project specification (k-class / combined method as applicable). A DIN 933 10.9 or DIN 7990 bolt is not an HV bolt. Typical on moment connections, splice plates, and bridges.
Quote HV bolts together with matching nuts and washers. State M×L, quantities, coating, and delivery country.
ISO 898-1 class 10.9
DIN 6914
Steel
Hv Hex Bolt
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