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China DIN 125 Galvanized Plain Washer Suppliers | High-Quality Washers from Reliable Factory
📐 Dimensional Specifications
| 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 | Nominal | 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
- 🧱 1. Material: Select appropriate materials according to environmental requirements, such as carbon steel, stainless steel, etc.
- 📏 2. Thickness: Choose an appropriate thickness based on the required load and other conditions.
- 🔩 3. 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.
- ✅ 4. Quality: Products produced by manufacturers with excellent manufacturing processes and reliable quality should be selected to ensure the stability and durability of quality.
💡 Summary: Galvanized flat washers, as a common fastener accessory, are widely used in the electromechanical equipment industry. 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, over a larger surface area. The galvanized coating provides corrosion resistance, making them suitable for both indoor and outdoor applications in the electromechanical and construction industries.
Q
What thread sizes are available for DIN 125 galvanized washers?
DIN 125 galvanized plain washers are available for a range of thread sizes including M12, M16, M20, M22, M24, M27, M30, and M36, covering most standard industrial fastening requirements.
Q
What materials are DIN 125 flat washers typically made from?
DIN 125 flat washers are commonly manufactured from carbon steel with a hot-dip or electro-galvanized finish for corrosion protection. Stainless steel variants are also available for environments requiring higher corrosion resistance, such as marine or chemical applications.
Q
How do I choose the correct thickness for a galvanized flat washer?
The correct thickness should be selected based on the load requirements of the application. Refer to the dimensional specification table for the nominal (h) values corresponding to each thread size. For heavier loads, a thicker washer closer to the maximum (Max) value is recommended.
Q
What is the difference between the inner diameter (d) and the countersunk diameter (d₁) in the specification table?
The inner diameter (d) refers to the hole diameter that fits over the bolt or screw shank, while d₁ refers to the countersunk or chamfered bore diameter on one face of the washer. Both dimensions have specified maximum and minimum tolerances to ensure proper fit and load distribution.
Q
How is the weight of DIN 125 galvanized washers calculated for bulk orders?
The specification table provides the approximate weight per 1,000 pieces in kilograms for each thread size. For example, 1,000 pieces of M12 washers weigh approximately 7.06 kg, while 1,000 pieces of M36 washers weigh approximately 80.97 kg. This data helps with logistics planning and bulk purchasing cost estimation.