Corrosion-resistant, acid/alkali-resistant PEEK external hex nuts, M3-M16, high-temp plastic, insulating; brand new.

These durable external hex nuts are crafted from high-temperature PEEK plastic, offering exceptional corrosion and chemical resistance, making them ideal for harsh environments. Available in sizes ranging from M3 to M16, they are specifically designed to withstand exposure to acids, alkalis, and high temperatures. Additionally, they provide excellent insulation, making them suitable for a variety of applications requiring robust and reliable fasteners. Standard No.: GB/T 41-2016 Surface treatment: none Product Grade: A-level Strength level: 4.8 Manufacture country: China Instructions included: No