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China DIN 125 Galvanized Plain Washers - High-Quality Suppliers & Factory Manufactured for Various Applications
| Applicable thread | M12 | M16 | M20 | (M22) | M24 | (M27) | M30 | M36 | |
| d | Man | 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 | Man | 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 | Public | 3 | 4 | 4 | 5 | 5 | 5 | 5 | 5 |
| Man | 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 | Man | 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.
The international and domestic standards for galvanized flat pads are explained, along with the key points for selection. 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?
A DIN 125 galvanized plain washer is a flat, circular fastener component conforming to the DIN 125 standard. It features a zinc galvanized coating that significantly improves corrosion resistance, making it suitable for use in mechanical assemblies, construction, and industrial equipment.
Q Which thread sizes are available for DIN 125 galvanized washers?
DIN 125 galvanized washers are manufactured for a wide range of thread sizes, including M12, M16, M20, M22, M24, M27, M30, and M36, accommodating most standard bolt and nut dimensions used in engineering and construction.
Q What materials are used to make DIN 125 plain washers?
DIN 125 plain washers are typically produced from carbon steel or stainless steel. Carbon steel with galvanized coating suits general-purpose applications, while stainless steel variants offer superior corrosion resistance for harsh or outdoor environments.
Q Why is galvanization important for flat washers?
Galvanization deposits a protective zinc layer onto the steel washer surface, preventing rust and oxidation. This treatment is especially critical for washers exposed to moisture, outdoor conditions, or chemical environments, significantly extending service life and maintaining joint integrity.
Q How should I select the correct washer thickness?
Washer thickness (h) should be chosen based on the load requirements and application conditions. Refer to the dimension table above for the standard thickness values corresponding to each thread size. Ensuring the correct thickness helps distribute load evenly and prevents damage to the mating surfaces.
Q Where are DIN 125 galvanized flat washers commonly applied?
These washers are widely used across the electromechanical equipment industry, construction structures, automotive assembly, and general hardware installations. They function to distribute clamping loads, protect surface finishes, and improve the reliability and longevity of bolted connections.