Customizable DIN 913 Screws, Grade 12.9, Flat End Set Screws with Internal Hex, Socket Set Screws with No Head
Brandnan
Description
This screw uses 304 stainless steel as its base material, which possesses excellent corrosion resistance properties and is suitable for various environmental conditions, particularly humid or chemically exposed environments. The screw undergoes black zinc plating, resulting in a black zinc layer on its surface. This not only enhances the screw's corrosion resistance but also provides an aesthetic appearance The screw features an internal hexagon head design, which makes it easier to tighten or loosen the screw using an Allen wrench or key. The internal hexagon design also offers improved rotational force transfer, reducing the risk of slipping..syi