Wedge lock washer W.TEC, narrow shape
Steel Delta Protekt, narrow shape W.TEC
WSH-WDGELOK-SF-(DPE)-4
W.TEC
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General:
Lock washer in line with DIN 25201 to prevent loosening in laterally loaded connections, vibrating screw connections and screw connections subject to oscillations.
Corrosion resistance:
600 h base metal corrosion in line with DIN EN ISO 9227-NSS (DIN 50021-SS) — in comparison: 96 h yellow galvanised (A2C)
Function:
The wedge surface slope between the two lock washers ensures highly secure locking. The screw connection is locked by pre-tension instead of by friction.
Benefits:
- Easy to assemble and disassemble (wedge lock washers are already glued in pairs)
- Tested system for screw retainer (locking elements that prevent unscrewing), at high as well as low tension
- Especially suited for dynamic loading – even when used with lubricants
- Can be reused multiple times, without loss of quality
- Gentle on surfaces
- Can also be used with high-strength screws 8.8, 10.9 and 12.9 and the matching nuts
- Available in stainless steel or steel (other materials available on request)
- With narrow and wide contact surface
For the recommended tightening torques, please see the technical information in the DIN/ISO catalogue.
Datasheets(X)
CAD data (available after login)
Vehicle manufacturing, mechanical engineering, manufacturers of pneumatic and electric tools, mining, agricultural machine manufacturing, manufacturers of mixing systems, transport and conveying systems.
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Internal diameter (d1) | 4.4 mm |
Suitable for screw thread | M4 |
Suitable for thread (imperial) | #8 |
Outer diameter (d2) | 7.6 mm |
Thickness (h1) | 1.7 mm |
Material | Steel |
Vickers hardness, HV | 485 HV |
Surface | Flake zinc silver |
Corrosion protection period | 600 h |
RoHS-compliant | Yes |
Design | Narrow |
Locking function | Locking against self-loosening by mechanical interlocking |
