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The Unifix A2-70 Socket Button Head Screws (M6 x 40) are precision-engineered fasteners designed for professional engineers, furniture manufacturers, and DIY enthusiasts who require a reliable, corrosion-resistant solution for industrial and domestic assembly projects. Crafted from high-grade A2-70 stainless steel, these screws provide exceptional strength and a low-profile aesthetic finish; however, users should note that they are intended for standard assembly use and are not rated for critical structural load-bearing applications in high-tension environments.
| Colour | Silver |
|---|---|
| Model Part Number | 1262849 |
| Brand | Unifix |
While A2-70 is corrosion-resistant, it is not marine-grade. For saltwater exposure, A4 (316) grade stainless steel is recommended.
Standard M6 socket button head screws typically require a 4mm hex (Allen) key.
No, these are intended for fastening components and are not load-rated for primary structural support.
No, this product box contains 200 screws only.
These follow the standard ISO coarse thread pitch of 1.0mm.
Ensure the hex key is fully inserted into the socket and matches the size; use a high-quality hardened steel bit.
Check if the pilot hole is deep enough; apply a small amount of lubricant to the threads if driving into dense material.
To install these screws, ensure you are using a high-quality M4 hex (Allen) key that matches the socket drive precisely to prevent rounding out the head. If driving into hardwood, it is recommended to drill a pilot hole first to prevent the fastener from binding or splitting the material. While the A2-70 material is corrosion-resistant, it can still surface-oxidize if exposed to harsh chemicals or extreme saline environments; wipe down with a dry cloth periodically to maintain the silver finish. These screws are compatible with standard M6 nuts, washers, and threaded inserts.
