Expansion Bolt

Expansion bolt fasteners are a specialized type of threaded connectors utilized to anchor equipment onto walls, columns, and stairs. The expansion bolt consists of two parts, a screw and an expansion tube. The screw's tail has a cone shape, and its inner diameter is wider than that of the expansion tube. When the nut is turned, the screw experiences an axial movement, primarily on the cone's thread, leading to a significantly high positive pressure on the expansion tube's outer surface. The cone angle being small, the conical parts form a friction self-locking effect between the expansion tube and the wall, thereby maintaining a firm fixation.

Types of Expansion Bolt

Hex nut head expansion bolt

Elevator expansion bolts, also referred to as elevator anchor bolts or elevator installation bolts, are composed of various components such as hexagonal nuts, screws, expansion tubes, washers, among others. These versatile fastening tools are commonly utilized for securing fences, awnings, air conditioners, and similar fixtures onto cement, bricks, and various other materials. They serve the same fundamental purpose as other types of expansion bolts.

Cross recessed pan head expansion bolt

The expansion bolt is a fastener that consists of various parts such as a pan-head cross-recessed screw, a washer, and an expansion tube. Its primary use is to secure items like awnings, air conditioners, and fences on materials like bricks and cement. Essentially, it works in the same way as other expansion bolts.

Hex head expansion bolt

This type of fastener is made up of different components including a hexagon head screw, an expansion tube, and a washer, among others. Its primary use is to secure various objects such as fences, awnings, and air conditioners onto materials like cement and bricks. Its function is similar to other types of expansion bolts that are commonly used in construction projects and DIY home repairs.

Expansion Bolt Feature and Advantage

Expansion bolts have become a go-to option for many decoration projects because of their numerous advantages. They require only minimal drilling and have a tremendous pulling force. Moreover, their flat exposure after use gives the décor a seamless and sleek look. In case they are no longer required, they can be effortlessly removed without leaving any marks, thus preserving the smoothness and beauty of the wall.

Jinrui is a prominent expansion bolt manufacturer that offers a range of expansion bolts, with metal expansion bolts being their flagship product. Stainless steel expansion bolts are the most common, but custom expansion bolt services are also offered. From m10 expansion bolts to m6 and m8 expansion bolts, Jinrui fulfills all your needs, and surface treatments are included as well. Contact Jinrui today to obtain customized expansion bolts that meet your requirements.

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