{"product_id":"30-pack-flat-copper-washers-metric-22x30x1-5mm-roc","title":"30 Pack Flat Copper Washers Metric 22x30x1.5mm Rock Solid Crush Ring Seals For Hydraulic Fittings Built Tight With Ridiculous Durability And Zero Leak Performance For Weekend Warrior Builds","description":"\u003cdiv\u003eProfessional copper crush washers for leak proof bolts\u003cbr\u003e\n✔️ 30 pack copper flat washers 22x30x1.5mm hydraulic seals \u003cp\u003eThese are precision cut copper seal rings designed to stop fluid leaks on automotive sump plugs, marine oil caps, and heavy duty equipment fittings. You slide them onto bolts or threaded connections to create a reliable barrier against oil, grease, and coolant under high pressure. They handle heat well and won rust in wet marine environments, making them a handy addition to any weekend mechanic tool cart or shop drawer.\u003c\/p\u003e ✅ Outer diameter measures 22 mm plus 0.87 inches flat profile\u003cbr\u003e\n✅ Center clearance spans 30 mm alongside 1.18 inches inner gap\u003cbr\u003e\n✅ Metal gauge reaches 1.5 mm thickness measured at 0.059 inches\u003cbr\u003e\n✅ Carton ships thirty identical crush ring seals for quick swaps\u003cbr\u003e\n✅ Soft conductive copper blocks rust and survives salty air spots\u003cbr\u003e \u003cp\u003e💡 What causes fluid leaks on stubborn automotive fasteners during high heat cycles?\u003cbr\u003eLeaks typically happen when rigid seals cannot match the expansion rates of metal bolts. \u003cbr\u003e- Proper crush ring geometry distributes clamping force evenly across rough gasket seats\u003cbr\u003e- Soft annealed copper compresses faster than steel to block sneaky oil pathways\u003cbr\u003e- Correct inner diameter sizing prevents ring roll shifting under constant engine vibration\u003cbr\u003e- Cleaning contact surfaces beforehand stops abrasive dirt from ruining initial torque holds\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49233982816491,"sku":"VXB0GLQFGC2X","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71clpF3ETfL.jpg?v=1786791484","url":"https:\/\/vxb.com\/products\/30-pack-flat-copper-washers-metric-22x30x1-5mm-roc","provider":"VXB Bearings","version":"1.0","type":"link"}