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The Range£10.17Visit shop Unifix Grade 8.8 Ht Hexagon Setscrews Din 933 Galv - M16 X 50 - Grey
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The Unifix Grade 8.8 High Tensile Hexagon Setscrews are essential components for construction and engineering professionals who require superior load-bearing capacity and structural reliability. Designed to meet DIN 933 standards, these fasteners provide excellent strength and corrosion resistance thanks to their galvanized finish, though users should note they require specific torque settings to avoid over-tightening during installation.
| Colour | Grey |
|---|---|
| Model Part Number | 1262916 |
| Brand | Unifix |
Grade 8.8 is a metric classification indicating the bolt has a tensile strength of 800 MPa and a yield strength of 640 MPa.
Yes, these are DIN 933 hexagon setscrews, which are threaded along the full length of the bolt shank.
Yes, the galvanized finish provides good resistance to outdoor elements, though they should be monitored if used in coastal or corrosive environments.
You will need a standard metric wrench or socket that matches the hexagon head size of the specific bolt diameter.
While they are robust, inspect the threads for any signs of deformation or stretching after removal; if the threads are damaged, they should be replaced for safety.
Check the hole for cross-threading or debris and ensure the thread pitch matches the bolt exactly.
Remove the bolt, clean with a wire brush, and re-apply a protective anti-seize or zinc-rich coating.
To ensure peak performance, always verify the thread pitch and diameter match your target assembly. When installing, it is recommended to use a calibrated torque wrench to reach the manufacturer-specified tension, as over-tightening can strip threads or damage the galvanization. Keep the screws in a dry, cool environment to prevent moisture accumulation on the threads. Periodically check for any signs of loosening in high-vibration applications and ensure the threads remain clear of debris or grit before fastening.
