Screw seal, self-centring
Steel zinc plated self-centring
WSH-SCRSEAL-SELFCENT-(A2K)-D4
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- Galvanised steel, blue passivated (A2K)
- Steel washer with moulded-on rubber sealing lip; for sealing bolt heads (primarily used with metric hexagon bolts in accordance with German DIN standard) and flange connections.
- For high pressure, vacuum and broad temperature ranges.
- Optimum sealing effect due to precisely defined lip formation.
- No pressing out, even under extreme pressure conditions thanks to metal-metal contact.
- Minimal tightening torque
- No retightening of installed seal
- Replaces other previously used seals
- Can be used several times
- Quick, easy and reliable installation.
- Overhead installation possible
- No special machining of metal surface required.
- Temperature resistant from –35°C to +120°C
- Hardness of rubber seal: 65–75 Shore
Datasheets(X)
CAD data (available after login)
Professional installation:
It is recommended that a centring recess is provided for the sealing washer to prevent the seal being placed in an eccentric position.
 | |
Suitable for screw | M4 |
Internal diameter (d1) | 4 mm |
Outer diameter (d2) | 8 mm |
Thickness (h1) | 1 mm |
Material | Steel |
Shore A hardness | 70 +/- 5 |
Surface | Zinc plated |
Min./max. temperature resistance | -35 to 120 °C |
Through-hole according to DIN 69 f | 4.3 mm |
Through-hole according to DIN 69 m | 4.5 mm |
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