برغي من نوع «7991» من الفولاذ المقاوم للصدأ m6x20 De Dietrich 7774089

This stainless steel screw, DIN 7991 M6x20, is a high-quality fastener ideal for securing components in boiler and burner assemblies. Made from corrosion-resistant stainless steel, it ensures long-lasting performance in high-temperature environments. Perfect for boiler spare parts replacement or general maintenance, this screw provides a reliable hold for various heating equipment components. Its countersunk head design allows for a flush finish, making it suitable for tight spaces.