The carbon steel substrate provides basic strength, while the black zinc coating prevents rust and gives a low-key appearance, making it suitable for non decorative fastening needs. Usually used for industrial cabinets, outdoor equipment brackets, and general mechanical assembly.
| Brand | Saitong |
| Industry Experience | over 20 years |
| Main Material | 304/316/316L stainless steel, iron, copper, aluminum, etc., customizable |
| Surface Treatment | Ordinary/polished/galvanized/oxidized/nickel plated/electrophoretic/passivated, customizable |
| Certification Certificate | ISO9001/ROHS/SGS/MSDS |
| main equipment | Cold heading machine/CNC machine/rolling machine/tapping machine, etc |
| Testing Equipment | Optical material selector/vibration tester/anime/salt spray tester/hardness tester/strength tester/height gauge/micrometer/caliper |
| Packaging | OPP bag+cardboard box+customized packaging |
