M12 Flat Washers Copper Drain Plug Gaskets Oil Crush Ring 25 Pack Heavy Duty Automotive Faucet Bolt Hardware Built Tough As Nails Knockout Corrosion Resistance Sweet Tight Seal For Engine Drains And Pipe Fittings

Copper M12 Flat Gaskets For Engine Oil Leaks
✔️ 12mm plus 0.47in hole by 16mm plus 0.63in rim by 1.5mm plus 0.06in stock

This pack of twentyfive copper crush rings acts as reliable sealing shims for bolt holes. Mechanics and DIY users rely on these flat discs to block fluid leaks from transmission pans, oil sumps, and pipe fittings during routine maintenance.

✅ Outer rim measures one point six centimeters plus 0.63inch spread across the top
✅ Center bore runs twelve millimeters plus 0.47inch straight through the middle
✅ Sheet depth sits at one point five millimeters plus 0.06inch flat against the flange
✅ Pack holds twentyfive sealed copper units rated for hot coolant flow barriers

💡 What causes persistent cross threading near hot oil reservoirs?
Swapping out old zinc washers for copper versions stops most pan leaks and keeps shop work handy.
- Pick corrosion resistant alloys to shield exposed metal threads from road grime
- Seat wider face areas against cast aluminum housings to distribute clamping loads evenly
- Cycle replacement intervals alongside scheduled fluid service to stop sudden pressure drops

✝️