M14 x 1.5 Stainless Steel Allen Key Plug with Copper Washer (SS316) | PLG-M14

The M14 x 1.5 plug is one of the most widely used drain plug sizes in automotive and industrial applications. The PLG-M14 stainless steel allen key plug seals M14 drain ports, weld bungs, and threaded holes with a copper washer for a reliable, leak-free metal-to-metal seal. Perfect for engine oil drain plugs, transmission drain ports, differential housings, and fabricated tanks. Pairs directly with our WB-M14 weld bung. SS316 for maximum corrosion resistance.

M14 x 1.5 Stainless Steel 316 Slim Round Head Allen Key Slotted Plug with Copper Washer Stainless Steel 316 for corrosive environments, rigid and durable construction.

Building a weld bung installation? Complete the job with our matching stainless steel weld bungs — available in NPT, Metric, BSPP/G, and AN/JIC flare thread types. Browse our full WB series to find the right bung for your project.