50 Pcs #6-32 UNC Stainless Steel 304 Flat Head Phillips Screws

50-Pack #6-32 UNC Stainless Steel 304 Flat Head Phillips Machine Screws

Upgrade your next project with these precision-engineered #6-32 UNC countersunk Phillips machine screws made from grade 304 stainless steel. Whether you're working on electronics, woodworking fixtures, appliances, or general hardware assembly, these screws deliver the corrosion resistance and holding strength professionals demand — in a convenient 50-piece pack.

Key Specifications

• Thread Size: #6-32 UNC (Unified National Coarse)
• Available Lengths: 3/16" to 1-3/4"
• Material: Stainless Steel 304 (A2) — rust-resistant and durable
• Head Style: Flat / Countersunk — sits flush with the surface for a clean finish
• Drive Type: Phillips (cross-head) — compatible with standard Phillips screwdrivers and bits
• Screw Type: Machine Screw
• Package Quantity: 50 pieces

Why Choose Stainless Steel 304?

Grade 304 stainless steel (also referred to as A2) offers excellent resistance to oxidation and everyday corrosion, making these screws ideal for both indoor and outdoor applications. The countersunk flat head design allows the fastener to sit perfectly flush — no protruding heads, no snagging, just a smooth, professional result every time.

Ideal Applications

• Electronics enclosures and PCB mounting
• Furniture and cabinetry assembly
• Automotive trim and panel fastening
• DIY hobby and craft projects
• General-purpose hardware and repair tasks

What's in the Box?

• 50 × #6-32 UNC Stainless Steel 304 Flat Head Phillips Machine Screws

Made in Mainland China.

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Frequently Asked Questions

Q: What does #6-32 UNC mean on these Phillips machine screws?

A: "#6-32 UNC" refers to the thread designation — #6 is the screw's nominal diameter (approximately 0.138"), 32 is the number of threads per inch, and UNC stands for Unified National Coarse thread. This is one of the most widely used machine screw sizes in electronics and general hardware applications.

Q: Are these stainless steel 304 screws suitable for outdoor use?

A: Yes. Grade 304 stainless steel (A2) provides excellent corrosion resistance, making these flat head Phillips screws a great choice for both indoor and light outdoor applications where exposure to moisture is a concern.

Q: What screwdriver is needed for these flat head countersunk screws?

A: These screws feature a Phillips (cross-head) drive, so a standard #1 or #2 Phillips screwdriver or matching Phillips power bit is all you need for installation.

Q: Can these machine screws be used in metal as well as wood?

A: As machine screws, these are designed primarily for use with pre-tapped holes or nuts in metal, plastic, and similar materials. For wood applications, a pilot hole is recommended to ensure proper seating and a flush countersunk finish.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.