4.8mm Bonded Sealing Washer (12mm OD) | A2 Stainless Steel EPDM

Product code: BSW-48-120-A2-EPDM
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4.8mm Bonded Sealing Washer (12mm OD) | A2 Stainless Steel EPDM
4.8mm Bonded Sealing Washer (12mm OD) | A2 Stainless Steel EPDM
4.8mm Bonded Sealing Washer (12mm OD) | A2 Stainless Steel EPDM
4.8mm Bonded Sealing Washer (12mm OD) | A2 Stainless Steel EPDM
4.8mm Bonded Sealing Washer (12mm OD) | A2 Stainless Steel EPDM
4.8mm Bonded Sealing Washer (12mm OD) | A2 Stainless Steel EPDM
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Unit Price
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1 - 49 £0.08 £0.10
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100 - 249 £0.05 £0.06
250 - 499 £0.03 £0.04
500 - 999 £0.03 £0.04
1000 - 4999 £0.03 £0.03
5000 + £0.02 £0.02

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Product Specification
Internal Diameter 4.8mm
Outside Diameter 12.0mm
Total Thickness 2.8mm
Metal Thickness 0.8mm
Seal Thickness 2mm
Seal Material EPDM Rubber
Material A2 Stainless Steel

Next Day or Standard Delivery available via DHL or Royal Mail.
Order by 4pm (UK) for same day dispatch, Monday to Thursday or 2pm Friday.

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01233 713581


Frequently Bought Together

Total Price: £0.00

4.8mm x 12mm Bonded Sealing Washer | 2.8mm | A2 Stainless Steel & EPDM

Providing a combined washer and seal for maintenance and repair work where a bolt or screw hole needs sealing, this 4.8mm x 12mm bolt sealing washer uses a 0.8mm stainless steel section with a 2mm EPDM Rubber sealing layer. Correct compression beneath a compatible fixing helps form a reliable barrier around the fastener hole.

What Are Bonded Sealing Washers?

EPDM Bonded Washers are designed for applications where the fastener hole needs additional protection from moisture, air or compatible fluids. EPDM is widely used for weather-resistant sealing while the stainless steel washer supports the clamping force.

These gasket washers combine a metal support ring with a bonded elastomer seal for suitable bolted and screwed connections.

Common Applications

  • Automotive Components: Helps seal suitable fastener points on panels, brackets and equipment where EPDM compatibility is appropriate.
  • Electrical Panels: Supports sealed bolt and screw points on suitable outdoor boxes, covers and fabricated enclosures.
  • Plant Equipment: Provides a combined sealing and load-spreading washer for suitable industrial fixing points.
  • Fabricated Metalwork: Helps reduce ingress paths around bolts and screws in compatible sheet-metal assemblies.

4.8mm x 12mm Bonded Sealing Washer Dimensions

  • Internal Diameter: 4.8mm
  • Outside Diameter: 12.0mm
  • Total Thickness: 2.8mm
  • Metal Thickness: 0.8mm
  • Seal Thickness: 2mm
  • Material: A2 Stainless Steel
  • Seal Material: EPDM Rubber

Key Benefits

  • 0.8mm metal thickness provides the specified A2 Stainless Steel supporting section.
  • A2 Stainless Steel construction provides corrosion resistance for many general and outdoor applications.
  • Metal ring spreads clamping load while the bonded rubber helps seal around the fixing hole.
  • 4.8mm internal diameter provides the stated clearance around the compatible fastener.

Compare our stainless steel bonded washers in other internal and outside diameters to match different bolt and screw sizes. We can help you choose the correct fit on 01233 713581.

Please call for any enquiries!
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Fri 8.30 am - 3.30 pm
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