Washer DIN 9021 M5(5,3) 200HV zinc-nickel silver
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Specifications |
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| Article no. |
9021-5-200цнс |
| Type | Flat |
| Coating | Zinc-nickel silver |
| Standard | DIN 9021 |
| Fastening group | High-strength fastening |
| Diameter, mm | 5 |
| Material | Stal |
| Hardness | 200HV |
| Packaging, pcs. | 1500 |
| Outer diameter, mm | 15 |
| Thickness, mm | 1.2 |
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An enlarged washer is a fastener that looks like a flat disc with a smooth cylindrical hole in the middle, the diameter of which is larger than the diameter of the metric product with which it is used. Materials from which they are made: steel 140, 200.
Area of use DIN 9021 is effectively used when connecting materials with a soft structure, such as wood, plastic, etc. It is also commonly known as a “rivet washer,” which indicates its appropriate use. It is also often used with DIN 571 self-tapping screws and DIN 975 threaded studs when installing wooden structures. A characteristic feature of this washer is that its outer diameter is equal to 3 times its inner diameter, which helps to take these parameters into account during calculations and installation.
The material of manufacture is high-strength structural steel.
Coating: Zinc-nickel silver.
Analogs: GOST 6958-78, ISO 7093-1. ISO 7093-2.
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