PATIKIL 18-Pack M12 Copper Crush Washers – M12x18x1.5mm Sealing Flat Washers, Ideal For Oil Drain Plugs, Automotive & Hydraulic Applications

About This Product

If you’re tired of leaky drain plugs or loose fittings, grab this 18-pack of PATIKIL copper washers.
They’re M12 size – that’s 12mm inner diameter, 18mm outer, and 1.
5mm thick – and they’re perfect for creating a tight, reliable seal in all kinds of mechanical connections.

Made from durable copper with a smooth, burr-free finish, they conduct heat and electricity well and resist corrosion, so they hold up in tough environments.
Use them on oil drain plugs, automotive parts, marine gear, pumps, valves, hydraulics, flanges – you name it.

Installation is simple: just place the washer between the surfaces you’re joining, make sure both are clean and flat, and tighten gently.
Don’t over-torque or you’ll mess up the seal.

Double-check your size before ordering, and you’re good to go.

MATERIAL: Durable copper – smooth surface, no burrs, excellent thermal/electrical conductivity and corrosion resistance.
SIZE: M12 x 18 x 1.

5mm (0.
47” x 0.

71” x 0.
06”) – inner x outer x thickness.
APPLICATION: Great for electrical appliances, precision instruments, automotive, marine, pumps, valves, cylinders, flanges, hydraulics, and more.
INSTALLATION TIP: Place between clean, flat sealing surfaces – tighten gently to avoid damaging the seal.
NOTE: Confirm size before purchase – 18 pieces per pack.