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China DIN 125 Galvanized Plain Washer Suppliers - Factory Direct Supply for Machinery and Furniture Assembly
| Applicable thread | M12 | M16 | M20 | (M22) | M24 | (M27) | M30 | M36 | |
| d | Max | 13.43 | 17.43 | 21.52 | 23.52 | 25.52 | 28.52 | 31.62 | 37.62 |
| Min | 13 | 17 | 21 | 23 | 25 | 28 | 31 | 37 | |
| dc | Max | 25 | 33 | 40 | 42 | 47 | 52 | 56 | 66 |
| Min | 23.7 | 31.4 | 38.4 | 40.4 | 45.4 | 50.1 | 54.1 | 64.1 | |
| h | Nom | 3 | 4 | 4 | 5 | 5 | 5 | 5 | 5 |
| Max | 3.8 | 4.8 | 4.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | |
| Min | 2.5 | 3.5 | 3.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | |
| d1 | Max | 16.04 | 20.04 | 25.24 | 27.44 | 29.44 | 33.4 | 36.4 | 43.4 |
| Min | 15.2 | 19.2 | 24.4 | 26.4 | 28.4 | 32.4 | 35.4 | 42.4 | |
| 1,000-piece weight (steel) ≈ kg | 7.06 | 16.92 | 24.7 | 33.15 | 43.34 | 51.45 | 58.66 | 80.97 | |
✅ Key Purchasing Points for Galvanized Flat Washers
- ⚙ Material: Select appropriate materials according to environmental requirements, such as carbon steel, stainless steel, etc.
- 📏 Thickness: Choose an appropriate thickness based on the required load and other conditions.
- 🔧 Specifications: Choose the appropriate specifications according to the needs, and pay attention to the dimensions of inner diameter, outer diameter, and thickness to meet the actual requirements.
- 🎯 Quality: Products produced by manufacturers with excellent manufacturing processes and reliable quality should be selected to ensure the stability and durability of quality.
🔒 Galvanized flat washers, as a common fastener accessory, are widely used in the electromechanical equipment industry. The international and domestic standards for galvanized flat pads should be understood, along with the key points for selection. When purchasing, consideration should be given to the specific requirements of the usage environment to ensure their effectiveness and safety.
❓ Frequently Asked Questions
Q What is a DIN 125 galvanized plain washer used for?
DIN 125 galvanized plain washers are used to distribute the load of a threaded fastener such as a bolt or nut, preventing surface damage and reducing loosening under vibration. The galvanized coating provides corrosion resistance, making them suitable for both indoor and outdoor applications.
Q What does "galvanized" mean for flat washers?
Galvanized means the washer has been coated with a layer of zinc through hot-dip or electroplating processes. This zinc coating protects the underlying steel from rust and corrosion, significantly extending the service life of the washer, especially in humid or outdoor environments.
Q How do I choose the right size DIN 125 washer for my application?
Match the washer's inner diameter (d) to the bolt size — for example, use an M16 washer for an M16 bolt. Also consider the outer diameter (dc) to ensure adequate load distribution, and select the thickness (h) based on the load requirements of your application.
Q What is the difference between carbon steel and stainless steel galvanized washers?
Carbon steel galvanized washers are cost-effective and widely used in general construction and mechanical applications. Stainless steel washers offer superior corrosion resistance and are preferred in harsh chemical environments, marine settings, or food-grade applications where long-term durability is critical.
Q Are DIN 125 washers compatible with metric bolts?
Yes, DIN 125 washers are designed for metric bolt threads (M12, M16, M20, M24, M30, M36, etc.). The inner diameter is sized slightly larger than the nominal bolt diameter to allow easy installation while maintaining proper load distribution.
Q What industries commonly use DIN 125 galvanized flat washers?
DIN 125 galvanized flat washers are widely used in the electromechanical equipment industry, construction and civil engineering, automotive manufacturing, infrastructure projects, and general industrial assembly. Their standardized dimensions and reliable corrosion protection make them one of the most commonly specified washer types globally.