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OnBuy.com£7.28Visit shop A2 Stainless Steel Button Head Bolts Iso 7380 Hex Socket Allen Dome Head Screws M3 To M10 5056523231686
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B&Q£10.08Visit shop B&Q - Hex Socket M4X16mm ( Pack Of: 20 ) Button Head Bolts Screws A2 304 Stainless Steel (Iso 7380) Fully Threaded
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These SS8 Hex Socket Button Head Bolts Screws (M3x20mm) are designed for professionals and DIY enthusiasts seeking reliable fastening solutions. They offer superior durability and corrosion resistance due to their A2 304 stainless steel construction, ensuring longevity in demanding applications. A potential caveat is that specific torque values may need to be determined based on the application to prevent over-tightening.
| Colour | Silver |
|---|---|
| Model Part Number | M3X20mm |
| Brand | SS8 |
A2 304 refers to a specific grade of austenitic stainless steel, known for its excellent corrosion resistance, weldability, and formability. It is a common choice for fasteners used in general-purpose applications.
Yes, the A2 304 stainless steel construction provides good resistance to rust and corrosion, making them suitable for many outdoor applications. However, prolonged exposure to very harsh environments might still affect their appearance over time.
These are button head bolts. They feature a low-profile, rounded head with a hex socket drive, offering a clean appearance and a secure grip for installation.
An M3 bolt is a metric bolt with a nominal diameter of 3 millimeters. You would use it in an application requiring an M3 tapped hole or an M3 nut. Check the specifications of your project or the existing hardware.
While possible, it is generally recommended to use hand tools like an Allen wrench for tightening M3 bolts to avoid over-tightening and potential damage to the bolt head or the material being fastened. If using a power tool, set it to a low torque setting.
Specific torque values depend heavily on the materials being joined and the application's requirements. For M3 bolts, recommended torque values typically range from 0.4 Nm to 0.7 Nm, but always consult engineering specifications or perform tests if unsure.
Ensure the bolt is aligned correctly with the hole or nut. Check for any debris or damage in the threads of both the bolt and the mating surface. Try backing it out and re-threading.
Verify you are using the correct size Allen wrench for the M3 socket. If the socket or wrench is damaged, replace the wrench. Ensure the socket is fully seated on the bolt head.
Apply steady, even pressure. Do not overtighten. If stripping occurs, an extractor tool might be needed, or the bolt may need to be drilled out.
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