The M4 hex head bolt is a metric bolt with a diameter of 4 millimeters. It is available in various lengths and materials, such as stainless steel, carbon steel, and alloy steel, to suit different applications and environmental conditions. The hexagonal head of the bolt is designed to be easily tightened and loosened with a wrench, providing a strong and lasting connection.
...
2025-08-14 20:08
1516