#4 X 1/2" Black Oxide Slotted Flat Head Sheetmetal Screws- Rough Lot of 200, 300

These #4 x 1/2" black oxide slotted flat head sheet metal screws are the perfect fasteners for low-profile, flush-mounted installations. Designed for small-scale hardware installs and trim work, the slotted flat head allows the screw to sit nearly flush with the material—ideal when a clean, minimal look is desired.

The black oxide finish offers mild corrosion resistance and blends seamlessly with dark metals or rustic iron accents, making these screws a go-to choice for vintage restoration, DIY fabrication, or Old World-inspired detailing.

Available in bulk lots of 50 or 100, these screws are perfect for contractors, makers, or restoration specialists who need quantity and reliability.

🔹 Bullet Point Summary

• #4 gauge x 1/2" length – compact and versatile for small fastening jobs

• Slotted flat head sits flush with metal, wood, or plastic surfaces

• Black oxide finish – low sheen, blends with iron and aged metals

• Perfect for sheet metal, cabinet trim, door accents, and bracket installation

• Available in lots of 50 or 100 screws

• Great for rustic, vintage, or restoration projects

🛠️ Installation Information

1. Use a slotted screwdriver or bit to avoid stripping the head.

2. Pre-drill or punch holes for harder materials like metal or dense hardwoods.

3. Drive carefully to ensure the head seats flush with the surface.

4. Not suitable for structural loads—use in light-duty decorative or trim applications.

🧼 Care / Cleaning Instructions

• Black oxide finish may patina naturally over time—this is part of its rustic appeal.

• To slow oxidation, you may apply light oil or paste wax after installation.

• Avoid harsh chemicals or abrasive pads, which can strip the finish.

• For exterior use, consider sealing or choosing a coated alternative.

❓ FAQ – #4 x 1/2" Slotted Flat Head Screws

Q: Are these screws decorative or structural?
A: These are intended for light-duty applications and are not structural. They’re ideal for trim work, sheet metal, or cosmetic hardware installs.

Q: Will the black oxide finish rust?
A: Black oxide offers mild rust resistance indoors. For outdoor use, we recommend applying a protective wax or selecting a coated option.

Q: Can I use these on wood?
A: Yes, these work well in wood, especially softwood or with a pre-drilled pilot hole in hardwoods.

Q: Are these compatible with power tools?
A: Yes, but a slotted driver bit is required. Care should be taken not to overdrive or strip the slot.