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OnBuy.com£6.98Visit shop A2 Stainless Steel Button Head Bolts Iso 7380 Hex Socket Allen Dome Head Screws M3 To M10 5056523231600
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B&Q£10.18Visit 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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This guide is for professionals and DIY enthusiasts seeking durable, corrosion-resistant fasteners. The key benefit is their robust construction from A2 304 stainless steel, ensuring longevity in demanding applications. A potential caveat is the specific size (M8X25mm), requiring users to verify compatibility for their project. These bolts are fully threaded, meet ISO 7380 standards, and feature a hex socket design for easy installation.
| Colour | Silver |
|---|---|
| Model Part Number | M8X25mm |
| Brand | SS8 |
ISO 7380 is an international standard that specifies the dimensions and properties for button head (or socket button head) cap screws, ensuring consistency and interchangeability.
Yes, the A2 304 stainless steel construction provides excellent resistance to corrosion, making them suitable for most outdoor applications.
A2 (often equivalent to 304) is a general-purpose stainless steel. A4 (often equivalent to 316) contains molybdenum, offering superior resistance to pitting corrosion, especially in marine or highly industrial environments.
The bolt length should be sufficient to engage at least half the thickness of the material being fastened, plus enough thread to secure it properly. For through-holes, consider the total thickness plus a few threads for engagement.
A2 304 stainless steel is typically non-magnetic in its annealed state, but can become slightly magnetic after cold working (like thread rolling).
For M8 hex socket button head bolts, you will typically need a 5mm Allen wrench.
Ensure the bolt is aligned correctly with the M8 threaded hole. Check for any debris or damage in the hole or on the bolt's threads. Verify you are using the correct bolt size (M8).
Confirm you are using the correct size Allen wrench for an M8 hex socket. Ensure the wrench is fully seated in the socket. If the socket is damaged, the bolt may need replacement.
This typically indicates the threads in the receiving material have been stripped or the hole is too deep. Ensure the bolt is engaging with sufficient thread length. For some applications, a nut or threaded insert may be required.
While A2 304 stainless steel is highly resistant, extreme conditions (e.g., prolonged exposure to salt water or certain chemicals) can cause minor surface staining. Clean with a mild detergent and water. Avoid harsh chemicals.
Setup: To install the SS8 M8X25mm bolts, ensure you have the appropriate size Allen wrench (hex key). Insert the bolt into the pre-drilled hole and tighten until secure. Avoid over-tightening, which can strip the threads or damage the material being fastened.
Compatibility: These bolts are designed to fit standard M8 threaded holes. Always confirm that the material you are fastening is compatible with M8 threading and that the 25mm length is suitable for the combined thickness of the components. They are compatible with any materials that can accept threaded fasteners, including metal, wood, and certain plastics.
Care: As A2 304 stainless steel, these bolts offer excellent corrosion resistance. For routine maintenance in harsh environments, a simple wipe-down with a damp cloth is usually sufficient. Avoid abrasive cleaners or materials that could scratch the surface. Periodic inspection for any signs of damage is recommended.
