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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 engineered for professionals and DIY enthusiasts requiring high-tensile strength for demanding structural or mechanical assembly tasks. These fasteners provide exceptional durability and resistance to shearing, making them ideal for heavy-duty engineering environments, although users should note that the BZP (Bright Zinc Plated) finish, while resistant to corrosion, is primarily intended for interior or controlled-environment use rather than harsh, direct-weather marine applications.
| Colour | Silver |
|---|---|
| Model Part Number | 1264335 |
| Brand | Unifix |
The 10.9 grade refers to the tensile strength and yield strength of the steel, indicating it is high-tensile hardware suitable for heavy-duty applications.
They are suitable for indoor or covered outdoor environments. For constant exposure to rain or salt, stainless steel alternatives are recommended.
DIN 933 is a German industrial standard defining the dimensions and thread pitch for hexagon head bolts that are threaded up to the head.
Generally yes, provided the threads are not deformed, stretched, or significantly rusted from use.
A standard metric socket or combination wrench of the appropriate size for an M12 bolt is required.
Check the tap size of your hole to ensure it matches the M12 specifications and clear away any debris or metal burrs.
Ensure your socket size is the correct metric match and that the socket is fully seated on the hexagon head.
For optimal performance, always pair these Grade 10.9 setscrews with compatible Grade 10.9 nuts to maintain system strength. Avoid using stainless steel nuts on these high-tensile bolts, as it may result in thread galling. When installing, start threads by hand to ensure alignment before using a socket wrench to avoid cross-threading. While the BZP coating is durable, avoid using abrasive cleaning agents or harsh chemicals that could compromise the zinc layer. Store in a dry environment to maintain the integrity of the plating.
