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Unit:mm

Spring Lock Washers with Square Ends for Cheese Head Screws

DIN 7980 - 1987

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德标DIN 7980 - 1987 DIN7980 7980DIN Spring Lock Washers with Square Ends for Cheese Head Screws
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Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
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Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Nominal Diameter
Φ3 Φ3.5 Φ4 Φ5 Φ6 Φ8 Φ10 Φ12 Φ14 Φ16
d min
max
h Nominal Size
max
min
n Nominal Size
max
min
H min
max
For Nominal Thread Diameter
per 1000 units ≈ kg
3.1 3.6 4.1 5.1 6.1 8.1 10.2 12.2 14.2 16.2
3.4 3.9 4.4 5.4 6.5 8.5 10.7 12.7 14.7 17
1 1 1.2 1.6 1.6 2 2.5 2.5 3 3.5
1.1 1.1 1.3 1.7 1.7 2.1 2.65 2.65 3.2 3.7
0.9 0.9 1.1 1.5 1.5 1.9 2.35 2.35 2.8 3.3
1 1 1.2 1.6 1.6 2 2.5 2.5 3 3.5
1.1 1.1 1.3 1.7 1.7 2.1 2.65 2.65 3.2 3.7
0.9 0.9 1.1 1.5 1.5 1.9 2.35 2.35 2.8 3.3
2 2 2.4 3.2 3.2 4 5 5 6 7
2.36 2.36 2.83 3.78 3.78 4.72 5.9 5.9 7.1 8.25
M3 M3.5 M4 M5 M6 M8 M10 M12 M14 M16
0.105 0.114 0.195 0.37 0.425 1.06 1.96 2.28 3.8 5.94
Nominal Diameter
Φ18 Φ20 Φ22 Φ24 Φ27 Φ30 Φ33 Φ36 Φ42 Φ48
d min
max
h Nominal Size
max
min
n Nominal Size
max
min
H min
max
For Nominal Thread Diameter
per 1000 units ≈ kg
18.2 20.2 22.5 24.5 27.5 30.5 33.5 36.5 42.5 49
19 21.2 23.5 25.5 28.5 31.7 34.7 37.7 43.7 50.5
3.5 4.5 4.5 5 5 6 6 7 8 8
3.7 4.7 4.7 5.2 5.2 6.2 6.2 7.25 8.25 8.25
3.3 4.3 4.3 4.8 4.8 5.8 5.8 6.75 7.75 7.75
3.5 4.5 4.5 5 5 6 6 7 8 8
3.7 4.7 4.7 5.2 5.2 6.2 6.2 7.25 8.25 8.25
3.3 4.3 4.3 4.8 4.8 5.8 5.8 6.75 7.75 7.75
7 9 9 10 10 12 12 14 16 16
8.25 10.6 10.6 11.8 11.8 14.2 14.2 16.5 18.9 18.9
M18 M20 M22 M24 M27 M30 M33 M36 M42 M48
6.6 12.3 13.6 18.1 20.6 32 35 52.5 80 90
①,Material: FSt=spring steel as specified in DIN 267-26
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