[Inner Hex Socket Screw]: The package comes with 100 Pcs of full thread coarse thread button head socket screws in Thread Dia: M2.5, Thread Pitch: 0.45mm/ 0.02", Thread Length: 5mm/ 0.2" [Sturdy Durable]: Constructed with 304 stainless steel material with white washing treatment, the hex socket cap screw is of strong durability, has a bright appearance, is not easy to deform or corrode, and has a long service life than other steel or zinc plated fasteners. [Design]: The button socket head cap screw is designed with an inner hex drive style and dome head, providing a higher torque and clamping force, as well as offering a wider bearing surface and high tensile strength. [Good Choice]: Good replacement parts and construction fasteners for use in most machinery industries, automotive industries, electronics industries, manufacturing applications, die fixtures, and clamps. [Installation]: To access this hex drive screw, you will need to use a hex wrench to tighten or loosen. The socket button head design enhances torque capabilities, allowing for greater clamping force. For optimal results, it is recommended to use a retaining washer to securely lock the hex drive in place. Product Description Material Constructed with 304 stainless steel material with white washing treatment, the hex socket cap screw is of strong durability, has a bright appearance, is not easy to deform or corrode, and has a long service life than other steel or zinc plated fasteners. Hex Drive Style The button socket head cap screw is designed with an inner hex drive style and pan head, providing a higher torque and clamping force, as well as offering a wider bearing surface and high tensile strength. Full Thread Full thread screws have threads that run the entire length of the shaft. They provide a secure grip and strong connection. Ideal for applications requiring tight fastening, they resist loosening and distribute load evenly. Size Available Material Hex Drive Style Full Thread