Assortment kit of metric grade flange bolts and nuts: 10.9, M6x1.0, M8x1.25, M10x1.5. Black alloy steel grade hex bolt and nut washer kit for automotive applications.

The integrated flange head and nut significantly increase the bearing surface area, improving adhesion and resistance to vibration, high pressure, and temperature variations. Combined with the washers, they form a secure fastening system ideal for harsh environments. This flange bolt kit is made of high-quality 10.9 alloy steel with a durable black galvanized finish, which is very suitable for working inside the engine. Class 8.8 bolts are not suitable for high torque conditions.

Versatile and portable case. All bolt and nut sets are organized in separate compartments, and the dividers are movable for easy differentiation and retrieval.

Wide Applications. Widely used in home improvement, automotive projects, industrial equipment, mechanical equipment, and engineering testing laboratories.
A total of 272 PCS metric flange bolt kits, including M6-1.0 x 12/16/20/25/30mm, M8-1.25 x 16/20/25/30mm, M10-1.5 x 30mm. The fully threaded design ensures a secure and stable fit in a wide range of applications.