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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | | | $20 | | | $30 |
| Wood screws other than coach screws, of iron/steel | $8 | | | | | $6,411 |
| Screw hooks & screw rings, of iron/steel | $3,894 | $475,890 | $72,126 | $13,861 | $50 | $11,587 |
| Self-tapping screws of iron/steel | $41,770 | $11,773 | $9,351 | $6,220 | $5,092 | $5,182 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $140,787 | $247,780 | $123,278 | $195,447 | $211,743 | $401,068 |
| Nuts of iron/steel | $505,233 | $659,045 | $1,027,092 | $528,082 | $771,827 | $222,788 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $54,939 | $76,138 | $58,085 | $102,024 | $94,525 | $424,254 |
| Spring washers & oth. lock washers, of iron/steel | | | $320 | $1,273 | $23,114 | $9,721 |
| Washers (excl. of 7318.21) of iron/steel | $12,429 | $188,096 | $541,519 | $1,754,617 | $1,465,294 | $85,392 |
| Rivets of iron/steel | $2,132 | $2 | | $5,364 | $52,496 | $4,803 |
| Cotters & cotter-pins, of iron/steel | $67,393 | $41,131 | $120,167 | $119,130 | $15,732 | $41,225 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $427,209 | $318,863 | $1,020,688 | $1,794,479 | $2,014,796 | $281,370 |
| Total | $1,255,794 | $2,018,718 | $2,972,646 | $4,520,497 | $4,654,669 | $1,493,831 |
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