Bonded seal
Steel zinc plated not self-centring
WSH-SCRSEAL-(A2K)-21,5X28,7X2,5
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: 70 ± 5 Shore
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.
Datasheets(X)
CAD data (available after login)
 | |
Suitable for screw | M18 |
Internal diameter (d1) | 21.5 mm |
Outer diameter (d2) | 28.7 mm |
Thickness (h1) | 2.5 mm |
Material | Steel |
Shore A hardness | 70 +/- 5 |
Surface | Zinc plated |
Min./max. temperature resistance | -35 to 120 °C |
Countersink diameter | 29.2 mm |
Through-hole according to DIN 69 f | 19 mm |
Last viewed
Half-shell trapezoidal crimping insert
1/4 inch extension
Twist Drill bit HSCO DIN 338 TYPE RN
Jointed-head ratchet 1/4"
Half-shell hexagon crimping insert
Swivel hoist ring QC 10
C 6.3 bit hexagon socket (1/4 inch) with patented POWERDRIV® drive
System case 8.4.2
O-rings in mm
Multi-point housing For flat plug-in sleeve 6.3 x 0.8 mm