The BE 85.300.109SBEP is a premium, industrial-grade 1/4" Quick-Connect (QC) male plug featuring 1/4" Male NPT (MNPT) external threading. Forged from high-tensile stainless steel, this plug is designed to replace standard steel fittings that are prone to rusting and pitting. Rated for a massive 6,000 PSI, it is the ideal choice for professional-grade pressure washers, chemical injectors, and hot-water lances. Its precision-machined stainless surface ensures a smooth, leak-free connection with 1/4" couplers, protecting internal O-rings from abrasion and ensuring consistent performance in corrosive environments or high-temperature cleaning applications.