Product Description
No.4 x 1/2" Zinc-Plated Steel Countersunk Pozi Woodscrews
These No.4 countersunk Pozi woodscrews are manufactured from hardened steel and finished with zinc plating. Their compact 1/2-inch length makes them suitable for lighter woodworking, joinery and hardware-fixing applications where a longer screw could penetrate through the material.
The countersunk head is designed to sit flush with, or slightly below, the surface of the timber. Its Pozi cross recess provides positive engagement with the correct driver bit, helping the screw to be installed cleanly and efficiently.
Product Details
- Screw gauge: No.4 imperial gauge
- Length: 1/2"
- Material: Hardened steel
- Finish: Zinc plated
- Head style: Countersunk
- Drive type: Pozi cross recess
- Thread type: Wood-screw thread
- Pack sizes: 5, 10, 20, 50, 100, 250, 500 or 1000
- Standard: No verified current DIN, ISO or British Standard assigned
Available Size
| Gauge | Length | Material | Finish | Head and Drive |
|---|---|---|---|---|
| No.4 | 1/2" | Hardened steel | Zinc plated | Countersunk Pozi |
The stated 1/2-inch length is the overall length of the screw, measured including the countersunk head.
Features and Benefits
- Short 1/2-inch length for thin timber and shallow fixing applications
- Hardened-steel construction provides good driving strength
- Countersunk head creates a neat, flush surface finish
- Pozi recess provides positive engagement with the correct driver bit
- Pointed end helps the screw start in timber
- Zinc-plated finish provides basic protection against corrosion
- Available in small and bulk pack quantities
Typical Applications
- Light woodworking and joinery
- Cabinet and furniture assembly
- Fixing hinges, catches and small brackets to timber
- Attaching thin panels and wooden components
- Interior repairs and maintenance
- Dry or sheltered timber installations
Installation Guidance
- Use the correct-size Pozi driver bit to reduce recess damage and slipping.
- Check that the 1/2-inch length is suitable for the thickness of the material.
- Drill a suitable pilot hole when working with hardwood, thin timber or close to an edge.
- Use a countersink where necessary to achieve a completely flush finish.
- Avoid excessive tightening, which could strip the timber or damage the screw recess.
Important: Standard zinc plating provides limited corrosion resistance. These screws are best suited to dry internal or sheltered applications. For exposed outdoor timber, treated timber, marine environments or other corrosive conditions, use an appropriately rated stainless-steel or exterior-coated woodscrew.
These are general-purpose woodscrews and should not be described as structural fasteners unless load-performance certification is available for the exact product.
