Lock washer For cheese head screws DIN 7980, plain steel
DIN 7980 steel plain
RG-SPG-DIN7980-D4,1
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Particularly suitable when countersinking the screw
- In combination with the small head of cheese head and hex socket screws (DIN 84, 85, 912)
- Smaller outer diameter in comparison to DIN 127
Only suitable for screws of strength class ≤ 5.8
Datasheets(X)
CAD data (available after login)
 | |
Suitable for screw thread | M4 |
Internal diameter (d1) | 4.1 mm |
Outer diameter (d2) | 7 mm |
Height (h1) | 2.83 mm |
Thickness (s1) | 1.2 mm |
Material | Spring steel |
Surface | Plain |
RoHS-compliant | Yes |
Standards | DIN 7980 |
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