We provide custom non-standard step screws, flat head self-tapping screws, stainless steel and galvanized cross recess step screws, as well as customized bolts for industrial use. Products are processed by precision cold heading and CNC turning, available in stainless steel and carbon steel galvanized materials, with excellent rust resistance, corrosion resistance and stable fastening strength. These cross recess step screws feature accurate step positioning, standard thread size and smooth surface. The flat head design enables flush installation without protrusion, and the cross recess structure allows easy mounting and disassembly with common screwdrivers. We can customize special outer diameter, length, step size, thread type and surface treatment according to drawings and samples. Widely applied in furniture hardware, electronic appliances, mechanical equipment, plastic products, sanitary ware and daily hardware assembly. We support small-batch trial production and mass wholesale, factory direct supply with stable quality, providing one-stop non-standard customized fastening solutions for all matching assembly needs.