684PCS Crush Washer Oil Drain Plug Gasket, 9 Sizes Stainless Steel Automotive Engine Crush Washer Assortment Kit, Replacement Sealing Washers M2 M2.5 M3 M4 M5 M6 M8 M10 M12

This 684-piece stainless steel crush washer assortment kit includes 9 common sizes from M2 to M12, serving as durable replacement oil drain plug gaskets for automotive engine sealing to prevent oil leakage during routine maintenance

• Complete Size Assortment: This aluminum crush washer kit contains 684 pieces in 9 standard sizes including M2 M2.5 M3 M4 M5 M6 M8 M10 M12 with sufficient quantity for daily replacement, delivering a one-stop sealing solution for various maintenance scenarios and good cost performance
• Premium Stainless Steel: These oil drain plug gaskets adopt high purity stainless steel with precise machining for even texture and proper hardness, featuring fine corrosion and oxidation resistance to reduce deformation and aging, and keep steady working state during long term service with better durability than ordinary washers
• Stable Sealing Performance: Each crush washer is made with strict thickness and flatness control to create smooth burr free surfaces, forming tight contact fit after installation and helping avoid gas and liquid leakage during engine and mechanical maintenance
• Classified Storage Box: All gaskets come with a divided sealed storage case, each size placed separately with clear marking for quick picking, avoiding mess and loss while saving space and easy to carry for outdoor repair work
• Versatile Application: These crush washers fit auto repair, mechanical assembly, electronic equipment and household installation scenarios, suitable for matching bolts and fasteners to meet sealing and fastening demands for industrial production and daily DIY use