chemical stud

Self-drilling screws, as the name implies, eliminate the need for a separate drilling step, as they have a cutting tip designed to pierce through material without requiring a pilot hole. This not only saves time but also reduces the risk of material damage that can occur with traditional drilling methods. The 1 1 4 self-drilling screws refer to a specific size, which typically signifies a 1/4-inch diameter and a 4-thread pitch. The numbers '1' and '20' often represent the diameter in imperial measurements, while '4' indicates the number of threads per inch.

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In addition to their strength and durability, expansion anchors are also highly versatile and can be used in a wide range of applications. From hanging shelves and mirrors to securing heavy machinery and equipment, these anchors offer a cost-effective and efficient solution for fastening tasks of all sizes. They are also available in a variety of sizes and designs to accommodate different types of fasteners and materials, making them suitable for a diverse range of projects.


expansion anchor plastic

expansion

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