201 - Stainless steel - Cross recess pan head screw (122)

304 - Black Zinc - Stainless steel - Cross recess pan head screw (174)

304 - Stainless steel - Cross recess pan head screw (283)

316 - Stainless steel - Cross recess pan head screw (150)

Why Choose Stainless Steel Pan Head Screws?

In environments where carbon steel would rust—such as outdoor installations, food processing, or coastal areas—stainless steel is the only reliable solution. The pan head profile sits on top of the material with a wide bearing surface, preventing pull-through on thin sheets. Combined with the self-centering Phillips drive, these screws offer fast, reliable assembly without the worry of future corrosion.

Stainless Steel Grade Comparison

Selecting the correct grade is essential for balancing cost and performance. Here is a comparison of our available options:
Grade Corrosion Resistance Best Application Cost
201 Basic (Indoor Only) Dry indoor environments where budget is the priority. Lowest
304 (A2) Good (Indoor/Outdoor) General purpose use in rain, humidity, and mild chemicals. Medium
316 (A4) Excellent (Marine) Salt water, chlorine, acids, and coastal environments. Highest
304 Black Zinc Good (Enhanced Aesthetic) When a dark, non-reflective finish is required on stainless steel. Medium-High

Quality Assurance

We ensure material authenticity across all grades. An EN 10204 3.1 Material Certificate is available upon request to verify the chemical composition of your stainless steel batch. Please note that third-party inspection services require an additional fee.

Common Applications

Stainless steel pan head screws are essential in industries requiring hygiene and durability:
  • Food Processing: Equipment assembly where wash-down and sanitation are routine.
  • Medical Devices: Enclosures and panels requiring sterile, non-corroding fasteners.
  • Outdoor Signage: Securing panels and frames exposed to weather.
  • Marine Electronics: Instrument housings on boats and docks.

Frequently Asked Questions

What is the difference between Grade 201 and Grade 304?

The key difference is nickel content. Grade 304 contains 8-10% nickel, while Grade 201 substitutes much of the nickel with manganese to reduce cost. This makes 201 significantly less corrosion-resistant. Grade 201 is only suitable for dry indoor use; it will rust quickly if exposed to moisture or outdoor conditions. If you need true "stainless" performance, Grade 304 is the minimum recommendation.

Why would I choose 304 Black Zinc over standard 304?

Standard 304 stainless steel has a bright, shiny silver appearance. In some applications—such as audio equipment, dark-colored enclosures, or architectural fittings—a silver screw head is visually distracting. The304 Black Zinc option provides the corrosion resistance of304 stainless steel with a sleek, matte black finish that blends into dark surfaces.

Can I use stainless pan head screws in plastic?

Yes, pan head screws are excellent for plastic applications. The wide, flat underside of the head distributes the clamping force over a larger area, reducing the risk of cracking the plastic or the head pulling through. For softer plastics, consider using a washer for additional protection.