SCHNAP Logo

Making Trade Life Easy!
Trade Discount 21%

Self-Centring Screw Seal Steel with Rubber Sealing Lip Zinc Plated Variant-3 Wurth

BRAND: Wurth
SKU: 4690018
$12.40 List price: $15.60
1 PCS ($12.40 per PCS)
+
The self-centring screw seal is designed for M18 screws, featuring a steel washer with a moulded-on rubber sealing lip for optimal sealing performance.
Technical Specifications
  • Suitable for screw: M18
  • Internal diameter (d1): 18 mm
  • Outer diameter (d2): 27 mm
  • Thickness (h1): 2 mm
  • Material: Steel
  • Shore A hardness: 70 +/- 5
  • Surface: Zinc plated, blue passivated
  • Temperature resistance: -35 to 120 °C
  • Through-hole according to DIN EN 202723 f: 19 mm
  • Through-hole according to DIN EN 202723 m: 20 mm
  • Dimensions (H x L x W): 2mm x 27mm x 27mm
  • Weight: 0.02 kg
Key Features
  • Steel washer with moulded-on rubber sealing lip (NBR70)
  • Zinc plated steel, blue passivated (A2K) surface
  • Optimal sealing effect due to precisely defined lip formation
  • No pressing out under extreme pressure due to metal-metal contact
  • Low tightening torque required
  • No retightening of installed seal necessary
  • Reusable and easy, quick, reliable, and secure installation
  • Overhead installation possible without special machining of metal surface
  • Temperature resistant from -35 °C to +120 °C
  • Rubber hardness 65-75 Shore A
Professional Installation Requirements
  • Installation can be performed without special machining; professional installation recommended for optimal sealing performance.
Applications
  • Sealing screw heads primarily with metric hexagon head bolts according to DIN standards
  • Sealing flange connections under high pressure and vacuum conditions
  • Suitable for use in automotive, machinery, and industrial equipment requiring secure screw sealing
Standards & Compliance
  • Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • Reusable design reduces waste and replacement frequency
  • Durable materials extend product life and reduce environmental impact
Warranty Information

Standard manufacturer warranty against defects applies.

Available Now

Wurth Screw Seal Self-Centring is available for immediate purchase, ideal for industrial and mechanical applications requiring reliable screw sealing.