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Flat Washer DIN125
Metric
| M3 | M4 | M5 | M6 | M8 | M10 | |
| dc inner dia | 3.2-3.38 | 4.3-4.48 | 5.3-5.48 | 6.4-6.62 | 8.4-8.62 | 10.5-10.77 |
| d outer dia | 6.64-7 | 8.64-9 | 9.64-10 | 11.57-12 | 15.57-16 | 19.48-20 |
| h thickness | 0.45-0.55 | 0.7-0.9 | 0.9-1.1 | 1.4-1.8 | 1.4-1.8 | 1.8-2.2 |
| M12 | M14 | M16 | M18 | M20 | M22 | |
| dc inner dia | 13-13.27 | 15-15.27 | 17-17.27 | 19-19.33 | 21-21.33 | 23-23.33 |
| d outer dia | 23.48-24 | 27.48-28 | 29.48-30 | 33.38-34 | 36.38-37 | 38.38-39 |
| h thickness | 2.3-2.7 | 2.3-2.7 | 2.7-3.3 | 2.7-3.3 | 2.7-3.3 | 2.7-3.3 |
| M24 | M27 | M30 | M36 | M42 | M48 | |
| dc inner dia | 25-25.33 | 28-28.33 | 31-31.39 | 37-37.62 | 43-43.62 | 50-50.62 |
| d outer dia | 43.38-44 | 49.38-50 | 55.26-56 | 64.8-66 | 76.8-78 | 90.60-92 |
| h thickness | 3.7-4.3 | 3.7-4.3 | 3.7-4.3 | 4.4-5.6 | 6-8 | 7-9 |
Product Advantages
Innovative Design with Standardized Compatibility
This flat washer features a streamlined structural design that integrates seamlessly with M16 metric bolt systems, emphasizing proper load transmission without compromising surrounding materials. The plain washer’s standardized dimensions per DIN125 allow for modularity and predictability in assembly processes, reducing the risk of mismatches and costly rework. The use of A4 stainless steel, combined with a passivated surface, ensures structural resilience under various environmental stresses, making it adaptable to multiple fastening configurations including layered or composite joint assemblies.
Superior Durability and User Efficiency
Users benefit from the washer’s resistance to corrosion, which minimizes maintenance requirements and extends equipment lifespan in demanding applications. Its flat profile facilitates easy installation and removal during assembly or maintenance, promoting workflow efficiency. The washer also enhances joint stability by evenly distributing the applied load, reducing stress concentrations and the risk of joint failure. These features deliver tangible operational advantages, especially in equipment subjected to vibration or fluctuating loads.
FAQ
What materials are your M16 flat washers made from?
Our M16 flat washers conform to DIN125 standards and are crafted from A4 stainless steel (316-grade). This material offers excellent corrosion resistance, making them ideal for outdoor or damp environments and suitable for long-lasting applications requiring durable flat washers.
Can I order your washers in custom quantities?
Yes, we accept orders starting from a single piece to bulk quantities like 100, 1000, or 10,000 pcs. This flexibility allows you to purchase exactly what you need, whether for small projects or large-scale production runs.
How do I properly install a flat washer with a bolt?
We recommend placing the washer between the bolt head and the mating surface to evenly distribute load and prevent damage. Our DIN125 flat washers also reduce loosening under vibration, ensuring a secure, long-lasting fastening assembly.
What shipping carriers do you use, and how long does delivery take?
We ship worldwide primarily via DHL or FEDEX, with delivery times typically between 1 to 10 days depending on the destination. We also support using your own courier account or LCL forwarding upon request for added convenience.
Shanghai Screwtool is a long-standing OEM supplier who has served US and Europe fastener industry for over 20 years.
If you have regular demands for screws and fasteners, we recommend that you can contact us directly (info@shscrewtool.com) for economic offer and complete service.
