Blue and White Zinc Plating Carbon steel bolt

Product Description Product Name Carbon steel galvanized bolt and nut Material Carbon steel  Color White Blue/Yellow Standard DIN Grade 4.8/8.8/10.9/12.9 Regular According to your requirement   Main Products Certifications   Testing Laboratory We have Magnetic Powder Detector, Material Testing Machine, Metallographic Microscope, such testing instruments, guarantee product high quality and beautiful appearance.The quality control is strictly performed from buying raw materials in warehouse to different machining procession and to final packing. Prod…