Through bolts, also known as expansion bolts or wedge anchors, are heavy-duty fasteners used to secure objects to solid materials like concrete, brick, or stone. Here are some key points about through bolts:

Structure: They consist of a threaded rod with a nut and washer on one end and a wedge-shaped expansion sleeve on the other.

Function: When the bolt is tightened, the sleeve expands, creating a secure hold within the material.

Applications: Through bolts are commonly used for fixing steelwork, handrails, park benches, and other items that need to be securely anchored to concrete.

Installation: The installation process involves drilling a hole of the same diameter as the bolt, inserting the bolt, and then tightening it to expand the sleeve.

Advantages: They provide a strong, reliable hold and are ideal for high-load applications.

Through Bolts