Commodity2005200620072008
Coach screws of iron/steel$275,307$292,164$422,917$375,167
Wood screws other than coach screws, of iron/steel$204,169$295,818$239,861$197,914
Screw hooks & screw rings, of iron/steel   $15,384
Self-tapping screws of iron/steel   $13,612
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$15 $29,317$294,919
Nuts of iron/steel   $166,975
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)   $81,410
Spring washers & oth. lock washers, of iron/steel$57,591$36,898$109,866$61,235
Washers (excl. of 7318.21) of iron/steel$47,233$61,753$138,885$116,296
Rivets of iron/steel$1$405$10,640$274
Cotters & cotter-pins, of iron/steel   $1,534
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...   $55,869
Total$584,316$687,038$951,486$1,380,589