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OnBuy.com£4.68Visit shop A2 Stainless Steel Button Head Bolts Iso 7380 Hex Socket Allen Dome Head Screws M3 To M10 5056523231594
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B&Q£8.78Visit shop B&Q - Hex Socket M3X16mm ( Pack Of: 5 ) Button Head Bolts Screws A2 304 Stainless Steel (Iso 7380) Fully Threaded
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This guide is for professionals and DIY enthusiasts who need reliable, corrosion-resistant fasteners. The SS8 M4X30mm bolts offer superior durability for machinery, automotive, construction, and various DIY projects. A key benefit is their A2 304 stainless steel construction, ensuring longevity. However, they are sold individually or in specific pack sizes, which may not suit all project quantities.
| Colour | Silver |
|---|---|
| Model Part Number | M4X30mm |
| Brand | SS8 |
These bolts are made from premium A2 304 stainless steel, known for its excellent corrosion resistance and durability.
ISO 7380 is an international standard that specifies the dimensions and requirements for button head cap screws with a hex socket. It ensures these bolts are manufactured to precise specifications for reliability.
Typically, an M4 socket button head screw requires a 3mm Allen wrench. Always confirm the exact size needed for your specific tool set.
Yes, the A2 304 stainless steel construction provides good resistance to corrosion, making them suitable for many outdoor applications. However, prolonged exposure to harsh environmental conditions may eventually affect their appearance.
Yes, these bolts are fully threaded, which maximizes their holding power and ensures a secure connection across the entire engaged length.
A2 stainless steel (like 304) offers good general corrosion resistance. A4 stainless steel (like 316) contains molybdenum, providing superior resistance to pitting and crevice corrosion, especially in marine or highly acidic environments.
Store bolts in a cool, dry place away from moisture and corrosive substances. Keeping them in their original packaging or a compartmentalized container can prevent scratching and loss.
The mating thread may be stripped or damaged. Check the receiving thread for damage and repair or replace if necessary. Ensure the bolt is engaging with the thread properly.
Verify that you are using the correct thread size (M4) and that the hole is clear of debris. Ensure the bolt is starting straight and not cross-threading.
Ensure you are using the correct size Allen wrench for an M4 bolt head. The socket may be obstructed; clear any debris. If the socket is damaged, the bolt may need to be replaced.
While A2 304 stainless steel is highly resistant, extreme conditions can still cause superficial staining. Clean the bolt with a non-abrasive cleaner. For severe corrosion, consider a higher grade of stainless steel or a different fastener type if longevity is critical.
Setup: These bolts are designed for use with a compatible metric Allen wrench (hex key). Ensure the correct size wrench is used to avoid stripping the socket. Insert the bolt into the pre-drilled hole and tighten securely. Always use appropriate torque settings for the application to prevent damage to the bolt or the material being fastened.
Compatibility: These M4X30mm bolts are designed to fit standard M4 threaded holes or nuts. They are compatible with a wide range of materials including wood, plastic, and metal, provided the thread size is appropriate. They meet ISO 7380 standards, ensuring compatibility with other fasteners manufactured to the same specifications.
Care: To maintain optimal performance and appearance, clean the bolts periodically with a damp cloth. Avoid using abrasive cleaners or solvents that could damage the stainless steel finish. For applications in highly corrosive environments, regular inspection for any signs of degradation is recommended, although A2 304 stainless steel offers excellent resistance.
