Socket Screws Cap Head BZP - M6 x 20

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Best current price£18.78from B&Q
Shopping.co.uk recommended and popular offers
B&Q£18.78Visit shop B&Q - Socket Screws Cap Head Bzp 8.8 M3 X 8 Pack Of 200
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This guide is for professionals and DIY enthusiasts needing robust fastening solutions. The Van Line HCZ620 Socket Screws offer a reliable M6 x 20 connection with a bright zinc plated finish for corrosion resistance, ideal for various assembly tasks. However, ensure the M6 size is appropriate for your specific application before purchase.
| Model Part Number | HCZ620 |
|---|---|
| Brand | Van Line |
Grade 12.9 socket screws, like the Van Line HCZ620, offer significantly higher tensile strength and hardness compared to Grade 8.8, making them suitable for more critical and high-stress applications.
You will need a 5mm hex key (also known as an Allen wrench or Allen key) to install these M6 socket head cap screws.
The bright zinc-plated finish offers good corrosion resistance for moderate outdoor exposure. For prolonged or harsh outdoor environments, stainless steel alternatives are generally recommended.
BZP stands for Bright Zinc Plated, indicating the type of protective coating applied to the steel screws.
Yes, these screws are fully compatible with standard M6 lock nuts, provided the total length of the screw is sufficient to engage both the threaded component and the lock nut.
This specific product, HCZ620, comes in a pack of 100 screws.
Check that the hole is correctly tapped for an M6 thread and that there are no obstructions. Ensure the screw is not cross-threaded. Verify the thread pitch and size match the intended mating part.
Ensure you are using the correct size hex key (5mm). The socket head might be damaged or worn; inspect the screw head for debris or deformation. Use a high-quality hex key for best engagement.
The BZP finish offers protection, but prolonged exposure to harsh chemicals or moisture can lead to rust. Clean the affected area and consider using a protective coating if the environment is particularly corrosive. For extreme conditions, stainless steel variants may be more suitable.
Setup: To install, use a 5mm hex key (Allen wrench) to turn the screw clockwise into a pre-tapped hole or a nut. Apply appropriate torque based on the application's requirements, ensuring not to overtighten and strip the threads or damage the material being fastened.
Compatibility: These screws are compatible with any M6-sized threaded hole or M6 nut. Ensure the material's thickness accommodates the 20mm screw length. The DIN 912 standard ensures compatibility with other fasteners manufactured to the same specification.
Care: Store in a dry environment to maintain the integrity of the zinc plating. Clean with a dry or slightly damp cloth if dust accumulates. Avoid abrasive cleaners or solvents that could damage the protective coating.