Bolts of iron or steel, excluding those of stainless steel
Tariff Classification
section 15
Base metals and articles of base metal
chapter 73
Articles of iron or steel
73.18
Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel:
－Threaded articles:
7318.15
－－Other screws and bolts, whether or not with their nuts or washers: