Combination Phillips pan head SEMS screws with special chemical coating material. Phillips pan head sems screws with good performance and attractive price in fastener market.
This SEMS Screws model is kind of combination screw.The SEMS Screws surface treatment is green zinc plated.QT can provide you special treatment as customers' requirements.
GB9074.8 M4x8mm size SEMS machine screws.
JIS standard is also available from QT factory.
Steel or stainless steel material are available. (steel, ss304.ss316 etc.)