📊 DIN 125 Technical 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 |
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 |
🔑 Key Purchasing Points for Galvanized Flat Washers
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1. Material: Select appropriate materials according to environmental requirements, such as carbon steel, stainless steel, etc.
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2. Thickness: Choose an appropriate thickness based on the required load and other conditions.
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3. Specifications: Choose the appropriate specifications according to the needs, and pay attention to the dimensions of inner diameter, outer diameter, and thickness.
✅
4. Quality: Products produced by manufacturers with excellent manufacturing processes should be selected to ensure stability and durability.
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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. Consideration should be given to specific environment requirements to ensure 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, across a larger surface area. They help prevent damage to the material being fastened and reduce the risk of loosening due to vibration. Their galvanized coating provides corrosion resistance, making them suitable for outdoor and industrial applications.
Q What materials are available for galvanized flat washers?
Galvanized flat washers are commonly made from carbon steel with a zinc galvanized coating for corrosion resistance. They are also available in stainless steel for environments requiring higher corrosion resistance, such as marine or chemical applications.
Q How do I select the correct size of galvanized flat washer?
To select the correct size, you need to match the washer's inner diameter (d) to the bolt or screw thread size (e.g., M12, M16, M20). Additionally, consider the outer diameter (dc) and thickness (h) to ensure adequate load distribution and fitment within your assembly.
Q What is the difference between the Max and Min values in the dimension table?
The Max and Min values represent the allowable manufacturing tolerances. These tolerances ensure that washers produced within this range will still function correctly and meet the DIN 125 standard requirements.
Q Are galvanized flat washers suitable for outdoor use?
Yes, galvanized flat washers are specifically designed for outdoor and corrosive environments. The zinc galvanizing process provides a protective coating that resists rust and corrosion caused by moisture and exposure to the elements.
Q What industries commonly use DIN 125 galvanized plain washers?
They are widely used across industries including construction, electromechanical equipment manufacturing, automotive, infrastructure, and general engineering due to their standardized dimensions and reliable corrosion resistance.
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