Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 18 Screws, bolts, nuts, coach-screws, screw books... of iron or steel 73 18 24 Cotters and cotter-pins 73 18 24 00 Cotters and cotter-pins Commodity Code Description 73 18 24 00 00 Cotters and cotter-pins
