From my side, I provide rugged fasteners tailored for industrial assembly, especially the {pan washer head screw} that seals with precision. Each piece is forged for load-bearing reliability and corrosion resistance, perfect for metal enclosures, appliances, and electrical housings. I understand what buyers at {Custom} and {Factories} look for: consistent supply, tight tolerances, and scalable quantities. That's why I offer flexible MOQs, customizable finishes (stain, zinc, nickel), and varied drive types to fit your automated lines. Direct-from-factory pricing helps you stay competitive, while in-house QC guarantees dimensional accuracy and coating uniformity. If you need batch-specific data sheets, material certifications, or rapid re-supply forecasts, I can align production to your calendar. Choose the {pan washer head screw} for dependable seating and a clean assembly. I’m ready to discuss your exact specs, from length to head style, and to tailor packaging and lead times to your workflow.
Pan washer head screws are a trusted fastening solution for electronics enclosures, appliances, and consumer devices. Their broad pan head and integrated washer deliver even load distribution, better sealing, and reduced protrusion. Through precise forming and optimized alloys such as stainless steel or coated carbon steel, they achieve strong torque tolerance, consistent thread engagement, and excellent corrosion resistance. Rigorous testing beyond standard benchmarks—thermal cycling, salt spray, vibration, and fatigue—confirms reliable performance in demanding environments. For global procurement, a Dongguan-based electronics technology specialist offers scale and stability. With ISO 9001 quality systems, RoHS/REACH compliance, and traceable batch control, batch-to-batch consistency is ensured across regions. Flexible minimum orders, customizable finishes, and reliable lead times help OEMs accelerate time-to-market. Efficient logistics and multilingual support, together with robust supplier risk management, enable on-time delivery and predictable costs for diverse applications worldwide.
| Parameter | Value | Unit | Test Method | Industry Benchmark | Exceeds Benchmark | Notes |
|---|---|---|---|---|---|---|
| Material | Austenitic Stainless Steel 304 (AISI 304) | - | Material specification | ISO 3506-1:2009 / ASTM AISI 304 standard | N/A | Common material for appliance fasteners |
| Thread Size | M4.0 | mm | Metric thread standard | ISO metric threads (M4.0) | N/A | Standard for sheet metal screws |
| Head Style | Pan | - | Geometric specification | Pan-head per standard fastener geometry | N/A | Influences seating flushness |
| Length | 12 | mm | Physical measurement | Common appliance panel length | No | Suitable for panel thickness around 1.0–1.5 mm |
| Tensile Strength | 620 | MPa | Tension test per ASTM F606 | Industry benchmark ≥ 520 MPa | Yes | UTS for this lot |
| Yield Strength | 205 | MPa | Tension test per ASTM F606 | ≥ 200 MPa | Yes | 0.2% offset yield |
| Hardness | 90 | HRB | Rockwell hardness test | ≤ 95 HRB | Yes | Typical for annealed stainless steel 304 |
| Salt Spray Resistance | 1000 | hours | ASTM B117 | > 500 h | Yes | Corrosion resistance under 5% NaCl |
| Surface Finish (Ra) | 0.8 | μm | ISO 4287 | ≤ 1.2 μm | Yes | Fine polished surface |
| Coating | None (Passivated) | - | Visual + passivation test | Passive film per ISO 16474 | N/A | Stainless surface with passivation |