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The Range£12.45Visit shop Unifix A2-304 Stainless Steel Coach Screws Hexagon Head Din 571 - M8 X 30 (Box Of 100) - White
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The Unifix Coach Screws (M8 x 50) are ideal for both DIY enthusiasts and professional contractors seeking a robust, reliable fastener for timber-to-timber or masonry applications. These screws feature a hexagonal head design that ensures a secure, high-torque fit, while their specialized coating offers enhanced corrosion resistance for outdoor projects; however, users should ensure they have the correct socket tool to handle the M8 head size effectively.
| Colour | White |
|---|---|
| Model Part Number | Q205710000800050000 |
| Brand | Unifix |
While the wide hex head provides significant surface area, you may add an M8 washer if you require extra protection for the timber surface.
Yes, provided you use an appropriate nylon wall plug sized for M8 hardware.
A socket wrench, ratchet, or impact driver with an M8 socket attachment is recommended.
While they feature corrosion resistance, they are not marine-grade stainless steel and may require extra protection in extreme coastal conditions.
DIN 571 is a German standard that defines the dimensions and requirements for wood screws with hexagonal heads, ensuring uniform quality and compatibility.
Ensure the socket tool is the correct size and fully seated before applying torque.
Verify that your pilot hole is of the correct diameter; drill a slightly larger hole if the wood is particularly dense.
Clear any debris from the hole and ensure the fastener is driven perpendicular to the surface.
For proper installation, always mark your pilot hole location and drill a hole roughly 70% of the screw shank diameter to avoid splitting the timber. Use an M8-sized socket attachment for your driver. While these screws are corrosion-resistant, they are not impervious to extreme salt-spray environments; it is recommended to inspect them periodically if used in coastal areas. Store unused screws in a dry environment to maintain their finish integrity.
