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 12 Wood screws (excl. coach screws) of iron or steel Commodity Code Description 73 18 12 00 Wood screws (excl. coach screws) of iron or steel 73 18 12 10 Having a shank of an external diameter not exceeding 16 mm 73 18 12 90 Other
