برغي ذاتي التثبيت Sp3.5X13 Tse Zn12 II أسود De Dietrich JJJ008101610

This self-tapping screw measures 3.5 mm in diameter and 13 mm in length, with a Tse drive type and a black zinc-plated finish (Zn12 II). The black coating provides a distinctive appearance while offering corrosion protection. Designed to create its own threads when driven into metal or plastic, it is ideal for fastening components in boiler and burner assemblies where a secure and permanent connection is needed. The self-tapping feature simplifies installation, making it a convenient choice for repairs or new builds.