Screw seal, self-centring
Steel zinc plated self-centring
WSH-SCRSEAL-SELFCENT-(A2K)-D20
Register now and access more than 125,000 products
- 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 | M20 |
Internal diameter (d1) | 20.000 mm |
Outer diameter (d2) | 30 mm |
Thickness (h1) | 2 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 | 21 mm |
Through-hole according to DIN 69 m | 22 mm |
Last viewed
1/2 inch socket wrench insert metric, hexagon, short
Die For standard metric ISO thread HSCo Multi Performance
Die For standard metric ISO thread HSCo Multi Performance
Thread die HSS DIN EN 22568 for standard metric ISO threads
Metric combination wrench with POWERDRIV®
WÜPOFAST® zinc-plated blue chipboard screw
Divider plate
Thread cutter for TIME-SERT® Made of HSS
Jogger S1 safety shoes
Wheel bearing inner ring puller set 12 pieces