DIN 137 B – Spring Wave Washers, Form B
DIN Standards are issued for a variety of components including industrial fasteners as Metric DIN 137 B Spring Wave Washers, Form B. DIN 137 B washers are manufactured from carbon spring steel, stainless steel, and spring bronze. DIN 137 B washers are available in a wide range of sizes, shapes, finishes, and materials.
Following are the specifications of German DIN 137 B:
Characteristics:
- Equivalent locking effect like wedge-locking washers.
- Vibration resistance.
- Complies with CSN 021733; UNI 8840B.
- Strength class 8.8.
Advantages:
- Wave washers can bear a load or soak up shock.
- DIN 137 B can generate significant block loads using very little force.
- They are accurate and reliable.
- Wave washers are uniquely shaped and function as a spring, compressing when fastened.
Application:
- They are suitable for use with bolts that demand a significant amount of tightening torque.
- Electronic applications often utilize them to immobilize electrical contacts.
- Wave washers are frequently used to achieve bearing preload and provide shock absorption.
- DIN 137 B Locking lightweight components to soft materials.
- These washers are also used in automotive, agriculture, sanitation, food processing, clean energy, the civil industry and many other industries.
Dimensional specifications for DIN 137 B:
| Nominal size | For thread | d1 H14 | d2 js16 | s | h min. | h max. | Weight kg/1000pcs |
| 3 | M3 | 3,2 | 8 | 0,5 ± 0,05 | 0,8 | 1,6 | 0,166 |
| 3,5 | M3,5 | 3,7 | 8 | 0,5 ± 0,05 | 0,9 | 1,8 | 0,154 |
| 4 | M4 | 4,3 | 9 | 0,5 ± 0,05 | 1 | 2 | 0,193 |
| 5 | M5 | 5,3 | 11 | 0,5 ± 0,05 | 1,1 | 2,2 | 0,286 |
| 6 | M6 | 6,4 | 12 | 0,5 ± 0,05 | 1,3 | 2,6 | 0,318 |
| 7 | M7 | 7,4 | 14 | 0,8 ± 0,06 | 1,5 | 3 | 0,7 |
| 8 | M8 | 8,4 | 15 | 0,8 ± 0,06 | 1,5 | 3 | 0,762 |
| 10 | M10 | 10,5 | 21 | 1 ± 0,07 | 2,1 | 4,2 | 2,04 |
| 12 | M12 | 13 | 24 | 1,2 ± 0,07 | 2,5 | 5 | 3,01 |
| 14 | M14 | 15 | 28 | 1,6 ± 0,08 | 3 | 6 | 5,51 |
| 16 | M16 | 17 | 30 | 1,6 ± 0,08 | 3,2 | 6,4 | 6,03 |
We manufacture DIN 137 B as per Custom Specifications and export to Germany, Greece, Switzerland, France, Poland, Belgium, and other European Countries. For more Information, Please Contact Us or Inquiry Now.