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The Range£8.63Visit shop Unifix A2-304 Self-Tapping Screws 12G X 1/2" - Q207981c00550013000 - Box Of 200 - Grey
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The Unifix A2-304 Self-Tapping Screws are designed for DIY enthusiasts and professionals seeking a reliable fastening solution for wood and metal applications. These screws provide excellent grip and durability thanks to their Pozi pan head design, making them an essential addition to any hardware kit. Please note that while they are versatile for various projects, users must ensure the correct pilot hole size is used to prevent surface damage when working with harder materials.
| Colour | Grey |
|---|---|
| Model Part Number | 1263004 |
| Brand | Unifix |
Yes, the A2-304 stainless steel construction provides good resistance to rust for standard outdoor applications.
While it may fit, it is strongly recommended to use a Pozi bit to avoid damaging the screw head or causing the tool to slip.
10G refers to the gauge or diameter of the screw, which indicates a specific thread thickness suitable for standard fastening needs.
Pre-drilling is highly recommended when working with metal to ensure the self-tapping threads engage correctly and to prevent surface distortion.
A2-304 stainless steel is generally non-magnetic, though minimal magnetism can sometimes be induced during the manufacturing cold-working process.
This is a German standard that specifies the dimensions, shape, and thread profile for pan head self-tapping screws.
Verify that a pilot hole has been drilled to the correct depth and diameter.
Ensure you are using a Pozi bit rather than a standard Phillips bit and apply consistent, firm downward pressure.
Check that the driver bit is not worn and that the torque setting on your power tool is not too high.
To achieve the best results, ensure you use a Pozi-compatible driver bit (PZ2 or similar) that fits snugly within the head. When working with harder metals, always drill a pilot hole slightly smaller than the shank diameter to prevent snapping the screw. Keep these screws in a dry environment to maintain their finish. While the A2-304 stainless steel offers good rust protection, avoid using these in high-salt environments where A4-316 stainless steel would be more appropriate.
