100pcs Stainless Steel Flat Washer Kit – 12 Sizes M3 to M12
100pcs Stainless Steel Flat Washer Kit – 12 Sizes M3 to M12
100-Piece Stainless Steel Fender Washers Assortment Kit (M3–M12)
Keep every fastening job tight and secure with this comprehensive 100-piece stainless steel flat washer kit. Covering 12 popular metric sizes from M3 to M12, this assortment is the go-to solution for woodworking projects, home repairs, automotive assembly, machinery maintenance, and general DIY builds. Each washer distributes load evenly across bolt heads and nuts, protecting surfaces from damage and preventing loosening over time.
Key Features
- Material: Premium stainless steel — corrosion-resistant, durable, and built for long-term performance
- 12 Sizes Included: M3, M4, M5, M6, M7, M8, M9, M10, M11, M12 — covers the most common metric bolt sizes
- 100 Pieces Total: A generous assorted quantity so you always have the right washer on hand
- Large Fender / Flat Design: Wide outer diameter provides superior load distribution compared to standard washers
- Thickness: 1 mm — consistent and precise for reliable fitment
- Color: Classic silver finish — clean, professional look
- Type: Flat Gasket / Fender Washer
- Kit Size: 17 × 9.5 cm — compact storage pack easy to keep in your toolbox
Ideal For
- Woodworking & carpentry
- Plumbing & pipe fittings
- Automotive & motorcycle assembly
- Electrical panel mounting
- Furniture assembly & repair
- General construction & maintenance
Product Specifications
| Material | Stainless Steel |
| Type | Flat Fender Washer (Flat Gasket) |
| Quantity | 100 pcs |
| Sizes | M3 – M12 (12 sizes) |
| Thickness | 1 mm |
| Color | Silver |
| Kit Dimensions | 17 × 9.5 cm |
| Country of Origin | Made in China |
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Frequently Asked Questions
Q: What sizes are included in this stainless steel washer kit?
A: This 100-piece assortment includes 12 common metric sizes ranging from M3 to M12, making it suitable for a wide variety of screws, bolts, and fastening applications in woodworking, automotive, and general DIY projects.
Q: Are these flat washers suitable for outdoor use?
A: Yes! The washers are made from stainless steel, which offers excellent corrosion and rust resistance, making them well-suited for both indoor and outdoor applications, including damp or high-humidity environments.
Q: How thick are the washers in this kit?
A: Each washer has a consistent 1 mm thickness, ensuring a secure, even fit across all included sizes from M3 to M12.