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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $144,619 | | $36,388 | $23,684 | $7,053 | $19,805 | $19,907 |
| Wood screws other than coach screws, of iron/steel | | | | $237 | | $395 | |
| Screw hooks & screw rings, of iron/steel | | | | | $95 | $115 | |
| Self-tapping screws of iron/steel | | | | $16 | $240 | $310 | |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $44,070 | $6,941 | $146,461 | $42,319 | $80,232 | $51,221 | $23,636 |
| Nuts of iron/steel | $727 | $326 | $14,807 | $2,943 | $56,302 | $3,201 | $4,544 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $45,773 | $91,681 | $251,566 | $70,682 | $18,632 | $17,346 | $18,253 |
| Spring washers & oth. lock washers, of iron/steel | | | | | $4,686 | $114 | $16,861 |
| Washers (excl. of 7318.21) of iron/steel | | $233 | $316 | $2,926 | $27,841 | $71,563 | $10,716 |
| Rivets of iron/steel | | $33,915 | | $7 | $785 | | |
| Cotters & cotter-pins, of iron/steel | $120 | $506 | $406 | $6,508 | $9,426 | $3,059 | $5,229 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $47 | $1,368 | $135 | $1,202 | $48,738 | $342 | $87,416 |
| Total | $235,356 | $134,970 | $450,079 | $150,524 | $254,030 | $167,471 | $186,562 |
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