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The Range£12.35Visit shop Unifix Grade 10.9 Ht Hexagon Setscrews Din 933 Bzp M10 X 35 - Grey
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The Unifix Grade 10.9 HT Hexagon Setscrews are professional-grade fasteners designed for heavy-duty construction and engineering applications that demand high structural integrity. These screws offer superior load-bearing capacity and corrosion resistance, making them a reliable choice for critical assemblies; however, users should ensure they have the appropriate metric tooling, as these high-tensile components require precise torque application.
| Colour | Silver |
|---|---|
| Model Part Number | M12 X 70 |
| Brand | Unifix |
The 10.9 rating indicates a specific high tensile strength, where the 10 refers to 1000 MPa of ultimate tensile strength and the .9 indicates the yield point is 90% of the ultimate strength.
Yes, DIN 933 setscrews feature a full thread profile along the length of the bolt shaft.
Yes, the bright zinc plating (BZP) provides moderate corrosion resistance suitable for outdoor use, though they are not intended for high-saline or marine environments.
An M12 hex head typically requires a 19mm spanner or socket.
The product information indicates these are setscrews; washers are typically sold separately to match specific application needs.
Ensure the mating hole or nut is free of debris and that the threads are properly aligned before applying torque.
While BZP offers corrosion resistance, if exposed to harsh elements, apply a light coat of machine oil or replace if the structural integrity is suspect.
Ensure the spanner or socket is the correct 19mm size and is fully seated on the hexagonal head to prevent slippage.
For optimal performance, always pair these M12 fasteners with compatible nuts and washers of the same grade to ensure the assembly maintains its high-tensile rating. When installing, use a calibrated torque wrench to apply the manufacturer-specified torque values for an M12 10.9 bolt; avoid over-tightening, which can compromise the screw's integrity. To maintain the BZP finish, store in a dry environment and keep away from acidic substances. During installation, avoid cross-threading by manually starting the thread before applying mechanical power tools.
