Name: Self-Drilling Tapping Window Screw
    Detail: Self-Drilling Tapping Window Screw
    Specification Specification
    		 Specification
    4.0*16 4.0*30
    		 4.0*45
    4.0*20
    		 4.0*35
    		 4.0*50
    4.0*25
    		 4.0*40