Blue & White Zinc Vertical Knurled Hand-Tightened Round Nut, Single-Layer, Thin, for M3/M4/M5/M6/GB807.

This product is a hand-tightened round nut designed for applications requiring manual adjustment without the need for tools. It features a vertical knurled surface, providing enhanced grip and ease of handling. Made from zinc, it offers durability and resistance to corrosion. The nut is single-layered and thin, making it suitable for applications with space constraints. Compatible with M3, M4, M5, and M6 screws, it adheres to the GB807 standard, ensuring reliable performance in various industrial and mechanical settings. The blue and white finish not only adds a distinctive look but also aids in easy identification and orientation during use. Surface treatment: Blue white zinc plating Material Grade: Plain Carbon Steel Strength level: 6.8 Manufacture country: China Instructions included: No