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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | | | $218 | | | | |
| Wood screws other than coach screws, of iron/steel | | $7,010 | $3,753 | | | | $2,535 |
| Screw hooks & screw rings, of iron/steel | | | $3,359 | $3,643 | | | |
| Self-tapping screws of iron/steel | | | $1,818 | | $139 | $175 | |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $15,269 | $11,316 | $6,732 | $31,238 | $210 | $4,440 | $607 |
| Nuts of iron/steel | $1,032 | $17 | $7 | $3,363 | | | |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $940 | | $2,576 | $3,713 | $7,349 | $15,826 | $27,908 |
| Spring washers & oth. lock washers, of iron/steel | $97 | | | | | | $382 |
| Washers (excl. of 7318.21) of iron/steel | $6,452 | $6,165 | $106,692 | $73,027 | $68,727 | $169,611 | |
| Rivets of iron/steel | $761 | | | | | | |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $2,348 | $3,457 | | $7,722 | | $95,826 | $74,469 |
| Total | $26,899 | $27,965 | $125,155 | $122,706 | $76,425 | $285,878 | $105,901 |
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