M10 240mm 코치 볼트의 특징과 사용 방법 안내
Plastic bolt sleeves, also known as plastic expansion anchors, are fasteners designed for light-duty applications in concrete, brick, or block. These anchors consist of a plastic sleeve and a metal screw. When the screw is driven into the sleeve, it expands to create a secure hold within the base material. Plastic bolt sleeves are often used for attaching fixtures, electrical boxes, and lightweight equipment to masonry surfaces. They offer a cost-effective and easy-to-install solution for non-structural fastening needs.
- M20 (20mm bolt)
On the other hand, washers are used in conjunction with hex nuts to distribute the load of the fastener evenly and prevent damage to the surface being fastened. Washers also help to reduce friction between the nut and the surface, making it easier to tighten the fastener. There are different types of washers available, including flat washers, lock washers, and spring washers, each serving a specific purpose in fastening applications.