Helps Stop Leaks
Acts as a seal in plumbing and automotive applications to help keep connections tight.
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Why customers love it
A Tight, Quiet Seal for Every Connection
Soft rubber flat washers that seal, insulate, and cushion the fittings in your DIY, plumbing, and automotive projects. Choose the size that matches your screw, bolt, or fitting and get 20 pieces per pack.
- Seals connections to help prevent leaks in plumbing and automotive applications
- Insulates against electricity and heat transfer
- Cushions joints to reduce vibration and noise
- Resists common chemicals and moisture for long-term use
- Sizes from M2 to M7 to fit a range of screws, bolts, and fittings
Why These Rubber Washers Earn a Place in Your Toolbox
Insulates and Protects
Provides insulation against electricity and heat transfer at the connection point.
Quiets Vibrations
Cushions connections to reduce vibration and noise in mechanical assemblies.
Handles Tough Conditions
Resists common chemicals and moisture for long-term use.
Specs
The details that matter
- Material
- Soft rubber
- Type
- Flat washer gasket
- Sizes
- M2, M2.5, M3, M4, M5, M6, M7
- Quantity
- 20 pieces per pack
- Inner Diameter
- M4x7mm, M4x8mm, M5x11mm, M5x12mm, M5x14mm, M5x15mm, M5x16mm, M5x17mm, M5x18mm, M5x20mm, M5x25mm, M5x30mm, M6x10mm, M6x11mm, M6x12mm, M6x13mm, M6x14mm, M6x15mm, M6x16mm, M6x18mm, M6x20mm, M6x25mm, M6x30mm, M7x14mm
More details
These soft rubber flat washers provide reliable sealing and insulation for a wide range of DIY and repair projects. The flexible material helps prevent leaks, dampen vibration, and protect surfaces from scratches or corrosion.
- Made from durable, flexible rubber for a snug fit
- Acts as a seal to prevent leaks in plumbing and automotive applications
- Provides insulation against electricity and heat transfer
- Cushions connections to reduce vibration and noise
- Resists common chemicals and moisture for long-term use
- Available in multiple sizes (M2–M7) to fit various screws, bolts, and fittings
- Ideal for DIY, plumbing, automotive, and general repair tasks
Perfect for creating watertight seals, reducing friction, or adding protective padding in mechanical assemblies.
Frequently asked questions
Everything you might want to know before you order.
How do delivery and returns work?
Shipping
Free standard shipping
To Germany: 1–3 business days processing, then 5–12 business days in transit. Estimates, not guaranteed dates.
Your dispatch email includes a tracking link. Contact us if it has not arrived within 5 business days of ordering.
Outside the EU, import duties and local taxes may be payable on delivery. See the shipping policy for supported destinations and conditions.
Returns
Request a return within 14 days of delivery. Standard eligible returns must meet the policy conditions; a €4 prepaid-label fee is deducted from the refund. Return shipping is free for faulty, damaged or incorrect items. Contact us promptly if something is wrong. Your mandatory consumer rights are unaffected.
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