Metric Drop in Expansion Anchor Bolts
	Product Name:Carbon steel drop in expansion anchor bolts  
	Material:Carbon steel  
	Color:White Blue/Yellow 
	Standard:GB 
	Grade:4.8/8.8/10.9/12.9 
	Regular:According to your requirement 
	  
	
	 
	
 
	Certifications 
	
 
	Main Products 
	
 
	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. 
	
	
	
		Production Process 
	
 
	
		
			First, we have our own High-precision Digital Machining center for mould making in special Mould Workshop, excellent mould make product beautiful appearance and its size accurately. 
		
		
			The second, we ad…