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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $1,136 | $5,585 | $4,919 | $1,842 | $40,536 | $24,492 | $28,795 |
| Wood screws other than coach screws, of iron/steel | $16,926 | $6,322 | $8,851 | $17,004 | $339 | $12,093 | $26,290 |
| Screw hooks & screw rings, of iron/steel | | $60 | $1,760 | $88 | | $325 | $60 |
| Self-tapping screws of iron/steel | $172,546 | $72,293 | $17,818 | $13,708 | $489 | $2,199 | $1,956 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $552,133 | $842,338 | $530,049 | $701,995 | $246,948 | $374,816 | $240,550 |
| Nuts of iron/steel | $1,453,520 | $5,013 | $89,585 | $12,952 | $22,177 | $136,363 | $88,037 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $15 | $257 | $12,142 | $12,490 | $2,164 | $5,550 | $29,578 |
| Spring washers & oth. lock washers, of iron/steel | $315 | $65 | $56 | | $32 | $723 | $3,538 |
| Washers (excl. of 7318.21) of iron/steel | $437,097 | $803,747 | $537,411 | $623,800 | $189,789 | $18,413 | $43,945 |
| Rivets of iron/steel | $1,645 | $5,981 | $808 | $5,553 | $4,143 | $2,810 | $3,647 |
| Cotters & cotter-pins, of iron/steel | $5,434 | $43,232 | $7,768 | $17,728 | $12,812 | $4,024 | $3,367 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $255,249 | $1,516 | $85,036 | $177,203 | $264,579 | $720,669 | $884,933 |
| Total | $2,896,016 | $1,786,409 | $1,296,203 | $1,584,363 | $784,008 | $1,302,477 | $1,354,696 |
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