Premium Copper Flat Washers M16 20 Pack Heavy Duty Round Gaskets Straight Up Solid Sealing Hardware Built Tough To Kill Vibration And Stop Fuel Line Drips

High Performance Copper Flat Washers M16 Sealant Hardware
✔️ M16 size, 16x20mm dia, 1.5mm thick, pack of twenty copper seals

These M16 copper flat washers act as reliable sealing hardware designed to block fluid leaks and absorb mechanical shock in heavy machinery and automotive engines. Builders typically install them under bolt heads or nuts to protect surfaces from damage while creating a snug barrier against fuel lines, hydraulic systems, and oil pan plugs.

✅ Inner bore measures 16 mm plus 0.63 inches around the central shaft
✅ Outer ring spans 20 mm plus 0.79 inches across the full diameter
✅ Plate depth sits at 1.5 mm plus 0.06 inches for solid pressure handling
✅ Bulk pack contains twenty units pre cut for immediate assembly projects

💡 What makes copper gaskets handy for blocking stubborn engine oil leaks?
These metal discs deliver exact torque absorption while keeping your fluid lines totally dry.
- Pure copper sealant rings absorb impact better than stiff polymer parts
- Corrosion ready fasteners handle humid garage environments without pitting
- Soft metal gaskets mold directly around uneven bolt threads for instant stops

✝️