[Inner Hex Socket Screw]: The package comes with 100 Pcs of full thread coarse thread button head socket screws in Thread Dia: M4, Thread Pitch: 0.7mm/ 0.03″, Thread Length: 18mm/ 0.71″, Head Dia.: 7.6mm/ 0.3″, Head Thickness: 2.2mm/ 0.09″
[Sturdy & Durable]: Constructed with carbon steel material with blackening treatment, the hex socket cap screw is of stronger durability, has a bright appearance, is not easier to deform or corrode, and has a long service life than other surface finishes.
[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.