DIN 137 curved spring washer (Form A)
This washer is used in assemblies involving aluminium, plastic parts or insulating material etc. It is also recommended for locking assemblies where there is danger of damage to a painted or enameled surface.
In electronics applications this washer is used to immobilize electrical contacts. Moderate tightening torque should be used with this washer.
Product characteristics
Material:
Spring Steel
Hardness:
According to diameter:
HV 510 ÷ 526 // HRC 49 ÷ 50
Finish:
Anti-rust oil-dipped
| Part number | Ø Application mm | d1 | d2 | h Min. | h Max. | S | Box Quantity | Outer Box Quantity | |
|---|---|---|---|---|---|---|---|---|---|
| 01080010 | 2 | 2.2 | ± 0,030 | 4.5 | 0.5 | 1 | 0.3 | 1000 | 64000 |
| 01080028 | 2.3 | 2.5 | ± 0,030 | 5 | 0.5 | 1 | 0.3 | 7000 | 112000 |
| 01080036 | 2.5 | 2.8 | ± 0,030 | 5.5 | 0.55 | 1.1 | 0.3 | 1000 | 64000 |
| 01080044 | 3 | 3.2 | ± 0,050 | 6 | 0.65 | 1.3 | 0.4 | 5000 | 320000 |
| 01080052 | 3.5 | 3.7 | ± 0,050 | 7 | 0.7 | 1.4 | 0.4 | 1000 | 64000 |
| 01080060 | 4 | 4.3 | ± 0,050 | 8 | 0.8 | 1.6 | 0.5 | 3000 | 48000 |
| 01080079 | 5 | 5.3 | ± 0,050 | 10 | 0.9 | 1.8 | 0.5 | 2000 | 32000 |
| 01080087 | 6 | 6.4 | ± 0,050 | 11 | 1.1 | 2.2 | 0.5 | 1250 | 80000 |
| 01080095 | 7 | 7.4 | ± 0,050 | 12 | 1.2 | 2.4 | 0.5 | 2500 | 20000 |
| 01080108 | 8 | 8.4 | ± 0,060 | 15 | 1.7 | 3.4 | 0.5 | 1250 | 20000 |
| 01080116 | 10 | 10.5 | ± 0,060 | 18 | 2 | 4 | 0.8 | 1000 | 8000 |
Brochure-D137A.pdf
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