Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 18 Screws, bolts, nuts, coach-screws, screw hooks...(incl.spring washer)..of iron or steel 73 18 11 Coach-screws 73 18 11 00 Coach-screws Commodity Code Description 73 18 11 00 000 Coach-screws
