Standard:DIN6340
Description:
DIN 6340 washers, also known as high tensile washers or structural washers, are commonly used in applications that require high strength and load-bearing capabilities. These washers conform to the DIN 6340 standard, which specifies the dimensions and material requirements for these washers.
The size range of DIN 6340 washers is typically specified in metric measurements, such as M6 to M30. This indicates that DIN 6340 washers can accommodate metric fasteners with diameters ranging from M6 to M30.
DIN 6340 washers are available with two common coating options: plain and Dacromet.
Plain DIN 6340 washers do not have any surface coating or treatment. They are made from bare steel and provide basic protection against corrosion. Plain washers are typically used in applications where corrosion resistance is not a significant concern or where additional coating or protection measures will be applied.
Dacromet is a specialized coating option for DIN 6340 washers. It is a non-electrolytic, water-based coating that provides excellent corrosion resistance. Dacromet coatings are typically thin and uniform, offering a high level of protection against rust and other forms of corrosion. They are designed to withstand harsh environmental conditions, including exposure to moisture, salt spray, and chemicals. Dacromet coatings also provide good adhesion and are self-lubricating, reducing friction during assembly.
When selecting between plain and Dacromet DIN 6340 washers, consider the specific environmental conditions in which they will be used. If the application involves exposure to moisture, humidity, or corrosive substances, Dacromet-coated DIN 6340 washers would provide superior corrosion protection. For applications where corrosion resistance is not a significant concern or where additional protective measures will be applied, plain DIN 6340 washers may be suitable.
| Material | 45#/40CR |
| Size | M6-M30 |
| Finish | Plain/black/ZINC/HDG/Dacromet/Mechanical Galvanized |
| Hardness | HV300/HRC35-45 |
| Marking | can be Customized |
| Application | Constrution/Wind turbines/railway line |
| Packing | Carton+ pallet; we can pack washers as your requirements |
| Terms | FOB+shanghai/ningbo |
| Delivery time | 30-70days |
| Size | Inner diameter(min) | Inner diameter(max) | Outside diameter(max) | Outside diameter(min) | Thinkness |
|---|---|---|---|---|---|
| M6 | 6.4 | 6.75 | 17 | 16.57 | 3 |
| M8 | 8.4 | 8.76 | 23 | 22.48 | 4 |
| M10 | 10.5 | 10.93 | 28 | 27.48 | 4 |
| M12 | 13 | 13.43 | 35 | 34.38 | 5 |
| M16 | 17 | 17.43 | 45 | 44.38 | 6 |
| M20 | 21 | 21.52 | 50 | 49.38 | 6 |
| M24 | 25 | 25.52 | 60 | 59.26 | 8 |
| M30 | 31 | 31.62 | 68 | 67.26 | 10 |
Products pictures for Flat washers
