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DIN 125 Galvanized Plain Washer - Quality Industrial Hardware from China Suppliers & Factory
| 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 | Public | 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 | |
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Key Purchasing Points for Galvanized Flat Washers
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Material: Select appropriate materials according to environmental requirements, such as carbon steel, stainless steel, etc.
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Thickness: Choose an appropriate thickness based on the required load and other conditions.
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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.
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Quality: Products produced by manufacturers with excellent manufacturing processes and reliable quality should be selected to ensure the stability and durability of quality.
ℹ️ 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
Q1
What is a DIN 125 galvanized plain washer used for?
A DIN 125 galvanized plain washer is used to distribute the load of a threaded fastener such as a bolt or nut. The galvanized coating provides corrosion resistance, making it suitable for outdoor and high-humidity environments in electromechanical and construction applications.
Q2
What thread sizes are available for DIN 125 galvanized washers?
DIN 125 galvanized washers are available for a wide range of thread sizes including M12, M16, M20, M22, M24, M27, M30, and M36, covering most standard industrial and construction bolt sizes.
Q3
What materials are galvanized flat washers typically made from?
Galvanized flat washers are most commonly made from carbon steel with a hot-dip or electro-galvanized zinc coating. Stainless steel options are also available for environments requiring higher corrosion resistance.
Q4
How do I choose the correct thickness for a galvanized flat washer?
The correct thickness should be chosen based on the load requirements of the application. Heavier loads and high-vibration environments generally require thicker washers. Always refer to the dimensional specifications (h values) in the product table to match your bolt size and load conditions.
Q5
What is the difference between the inner diameter (d) and the outer diameter (dc) of a washer?
The inner diameter (d) is the hole size that fits over the bolt shank, while the outer diameter (dc) is the total diameter of the washer face that contacts the surface. A larger outer diameter distributes the clamping force over a wider area, reducing surface damage.
Q6
How can I verify the quality of galvanized flat washers before purchasing?
To verify quality, check that the manufacturer follows recognized standards such as DIN 125 or ISO 7089. Look for uniform galvanized coating without bare spots, consistent dimensions within the specified tolerances, and request material certifications or test reports from the supplier to ensure reliability and durability.