Building DIN 9021 M48 Metal Flat Washers
Product Description
Flat washer is mainly made of iron plate. Its shape is usually a flat washer with a hole in the middle. There is a formula in the "quality of standard fasteners" published by China Standards Press. The formula is: weight of 1000 pieces M = 0.00785 ×{3.1416/4 × gasket height × [square of outer circle diameter - square of inner hole diameter]
It is used to 1.increase the contact area between the screw and the machine.
2. Eliminate the damage to the machine surface caused by the spring pad when removing the screw. When using, it must be a spring pad and a flat pad. The flat pad is next to the machine surface, and the spring pad is between the flat pad and the nut.
| Product name: | different size zinc white and yellow metal flat washer DIN 125 and DIN 9021 standard |
| Material: | Carbon steel |
| Standard: | DIN ANSI ASTM GB |
| Grade: | 4.8 8.8 10.9 12.9 |
| Finish: | Zinc plated |
| Size: | M6-M36 |
| Certificate: | ISO9001:2015 |
| Payment: | T/T |
Our company's main standard parts, exported to Europe and America for more than 10 years, Australia, India, Iran, various specifications, various types, all kinds of strength can be customized.
* High quality, national standard, strict inspection, reliable product quality.
* All kinds of different types, accept customization,4.8/ 8.8/ 10.9/ 12.9 Ect,GB,DIN Ect.
* Best price,standard parts industrial park handan, convenient transportation, low cost.
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