DIN 1440 Medium type washers for pins
DIN Standards are issued for various components including industrial fasteners like Metric DIN 1440 Medium washers for pins. DIN 1440 washers are manufactured from stainless steel, brass, aluminum, and alloy steel. DIN 1440 is a standard flat washer, also known as a steel flat washer. DIN 1440 washers are available in various sizes, shapes, finishes, and materials.
Following are the specifications of German DIN 1440 washers:
Characteristics:
- Medium Flat washers have a hole in the center and are flat or disc shaped.
- Sufficient diameter to give a strong joint.
- Withstand high temperatures.
- Complies with ISO 8738; CSN 021706; PN 82004; EU 28738.
- Strength class is 2 to 6.
Advantages:
- These washers can prevent fastening from coming loose due to their resilience against vibrations.
- These washers are also known for their long durability.
- DIN 1440 is ideal for small head screws.
Application:
- DIN 1440 flat washers are ideal for metal construction and timber construction.
- Flat washers can also be used in rotating applications, as a bearing.
- They can be used to adjust the tension in a fastened joint. By adding or removing washers, you can fine-tune the level of tension in the system.
Dimension specification of DIN 1440 washers:
| d1 H11 | For thread | d2 | s | Weight kg/1000pcs |
| 3 | M3 | 6 | 0,8 | 0,13 |
| 4 | M4 | 8 | 0,8 | 0,23 |
| 5 | M5 | 10 | 0,8 | 0,36 |
| 6 | M6 | 12 | 1,6 | 1,05 |
| 7 | M7 | 14 | 1,6 | 1,42 |
| 8 | M8 | 16 | 2 | 2,22 |
| 10 | M10 | 20 | 2,5 | 4,56 |
| 12 | M12 | 25 | 3 | 8,99 |
| 13 | M13 | 25 | 3 | 8,36 |
| 14 | M14 | 28 | 3 | 10,8 |
| 16 | M16 | 28 | 3 | 9,68 |
| 18 | M18 | 30 | 4 | 13,8 |
| 20 | M20 | 32 | 4 | 15 |
| 22 | M22 | 34 | 4 | 16,2 |
| 23 | M23 | 36 | 4 | 18,5 |
| 24 | M24 | 38 | 4 | 21,4 |
| 25 | M25 | 40 | 4 | 23,6 |
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