Galvanized Flat Washer 3.3x9mm – Corrosion Resistant
$0.09
Description
Galvanized Flat Washer 3.3x9mm: Rust-Proof Protection for Heavy-Duty Applications
Why Choose This Washer?
Engineered to combat rust and corrosion in harsh environments (outperforms untreated steel by 5x+). The zinc-coated surface provides military-grade protection against moisture, salt spray (ideal for marine hardware), and industrial chemicals while maintaining a lightweight build (only 2g per unit).
Key Features:
– Precision Sizing: Outer diameter (9mm) slots perfectly onto M6 bolts; thickness (3.3mm) enhances load distribution
– Military Zinc Coating: ASTM B633 Class A certification ensures durability beyond standard galvanized parts
– High-Strength Steel Core: Grade ASTM A370 medium carbon steel resists deformation under 12kN pressure
📊 Competitive Edge Comparison
| Feature | Standard Carbon Washer | This Product |
|---|---|---|
| Corrosion Resistance | ≤6 months | ≥5 years (salt fog tested) |
| Load Capacity | 8kN | 12kN |
| Temperature Range | -20°C~120°C | -40°C~150°C |
| Price/Unit | $0.02 | $0.03 (+50% lifespan) |
Best Uses:
Secure marine engine mounts • Anchor installations near coastal zones • Corrosive industrial machinery fastening • Outdoor metal structures requiring extended service life
Packaged in moisture-resistant bulk boxes (500 units/sq ft box saves warehouse space). Meets ISO 7089:2016 mechanical washer standards while staying cost-effective compared to stainless steel alternatives (saves $0.02/unit).
Ideal for contractors needing long-term fastening solutions without recurring replacement costs.
