Best Northstar Pressure Washers in 2026

『High Quality Meterial』: All the flat washers are made of copper, which with high conductivity, corrosion resistant. They have a tighter seal and high heat resistance than steel and rubber washers

『Good Performance』: These most commonly used copper washers have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using and prolong screws lifespan, great for sump plugs, water, fuel and hydraulic fittings

『Easy to Use』: They are very easy to install, the washer's surface are smooth can reduces friction between the screw and nut, prevents leakage, isolates, prevents loosening or dispersion pressure

High Quality:Bonded seal made of zinc plated metal + rubber,high pressure resistant,oil resistant,sturdy and durable for long using life.

Multi size:156pcs bonded seal set includes 10 different metric size, M6-12PCS, M8-12PCS, M10-12PCS, M12-20PCS, M14-20PCS, M16-20PCS, M18-20PCS, M20-20PCS, M22-10PCS, M24-10PCS.

Stylish Desigh:Bonded seal consists of a metal ring and a rubber gasket. The metal washer ensures that the components to be connected are reliably and securely held, rubber ring generally uses oil resistant NBR rubber.

Quality material: Made of metal and rubber, good sealing. high pressure resistant, oil resistant, sturdy and durable for long using life

Unique design: Bonded seal consists of a metal ring and a rubber gasket. The metal washer ensures that the components to be connected are reliably and securely held, rubber ring generally uses oil resistant NBR or fluorine rubber.

The assortments contain the following sizes: M6---20pcs,M8---20pcs,M10---20pcs, M12---20pcs, M14---20pcs, M16---20pcs, M18---15pcs, M20---15pcs

Flat washer are used to distribute loads of threaded bolts, screws and nuts, provide a smooth-bearing surface.

Flat washers are well made, with smooth and shiny surface, which are mainly used to reduce pressure and friction, prevent leakage, isolate, loosening or disperse pressure. Suitable for indoor and outdoor usage.

Aluminium Sealing Ring Metal Gasket Crush Washer Flat Seal Ring Meson Pad

Wide Range Of Uses: Flat washers are commonly used to prevent nuts from loosening, be compatible with screws, and be suitable for interior decoration, outdoor construction, electrical repair, and furniture repair.

Functions: Flat washers are mainly used to reduce pressure and friction, prevent leakage, isolate, loosening or disperse pressure. High quality and durable to ensure life-time use.

Brass Copper Sealing Boat Crush Washer Flat Gasket Ring Sump Plug 0.5mm

Package Include: In this copper washer set, you can get a total of 160 assorted copper washers, including 12 metric flat washer sizes:M5, M6, M8, M10, M12, M14 M16, M20.

100% Copper Content: All flat washers are made of pure copper. Compared to steel and rubber gaskets, copper gaskets are more resistant to sealing, heat, corrosion and electrical conductivity.

Highly Functional: Copper washers with smooth and shiny surface can reduce the friction between screws and nuts to prevent loosening or disperse their pressure. It can also protect the surface of the connection surface to prevent damage.