The M in M20 signifies that it is a metric bolt, aligning with the International System of Units (SI). The number 20 denotes that the nominal diameter of the bolt is 20 millimeters. Foundation bolts are typically made from high-strength materials, such as structural steel, to ensure they can withstand substantial loads and resist environmental factors.

In the world of fasteners, hex self-tapping screws stand out for their distinct benefits and versatility. Often used in construction, automotive, and manufacturing applications, these screws have gained popularity due to their ability to create their own mating thread in a variety of materials. This article delves into the characteristics, advantages, and applications of hex self-tapping screws, highlighting why they are an essential component in numerous industries.

An M6% resin anchor is a type of fastener designed to be embedded into a substrate, primarily concrete, using a high-strength resin adhesive. The M6 designation refers to the metric thread size; this means that the anchor has a nominal diameter of 6 millimeters. The % indicates that the resin is formulated to perform effectively under various conditions, enabling a secure bond regardless of the environment. This type of anchor is ideal for applications requiring substantial load-bearing capacity while maintaining a non-corrosive and durable bond.