Solid Copper Flat Washers Assorted Set M5 To M14 Including 200 Pcs For Electrical Insulation Stopping Galvanic Corrosion On Aluminum Steel Or Auto Wiring Solar Panels Load Distribution Kit Good For Home Or Garage Use Solid Copper Gear You Gotta Grab

Premium M5 To M14 Solid Copper Washer Assortment Kit
✔️ 200 Pc Set Contains M5 To M14 Metric Sizes Full Range

These solid copper flat washers prevent galvanic corrosion between dissimilar metals while distributing load on bolts and screws in automotive or electrical setups.

✅ Pure unpainted copper material ensures superior grounding conductivity without interference from coatings
✅ Spans ten distinct sizes totaling 200 pieces for handy projects requiring different bolt widths
✅ Protects soft materials like aluminum or sheet metal from surface deformation during fastener tightening
✅ Compact storage box measures 5 12 x 2 67 inches plus 130 x 68 x 22 millimeters packed neatly

💡 Why are copper washers preferred over steel for grounding applications
Copper conducts electricity much better than steel to minimize resistance in circuits
Material resists rust formation allowing long term reliability in outdoor equipment installations
Soft nature allows compression to fill gaps between mating surfaces for secure joints
Compatible with standard hex nuts and bolts used in residential wiring repair tasks

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