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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Wood screws other than coach screws, of iron/steel | $288,691 | $201,595 | $127,260 | $164,095 | $5,721 | $601 | |
| Screw hooks & screw rings, of iron/steel | | | | $1,189 | | | |
| Self-tapping screws of iron/steel | $9,229 | | $11,782 | | | $21,543 | $328,590 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $37,383 | $24,189 | $358,811 | $325,545 | $335,268 | $378,614 | $76,417 |
| Nuts of iron/steel | | $1,154 | $22,606 | $11,322 | $9,811 | $51,609 | $107,316 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | | $585 | $29,338 | $1,641 | $4,564 | $15,154 | $18,668 |
| Spring washers & oth. lock washers, of iron/steel | $23,519 | $19,362 | $69,032 | $76,726 | $43,425 | $20,210 | $78,175 |
| Washers (excl. of 7318.21) of iron/steel | $11,279 | $6,723 | $830 | | | $53,364 | $8,245 |
| Rivets of iron/steel | $20,072 | | | | $13,856 | | $199 |
| Cotters & cotter-pins, of iron/steel | | | | | | | $133 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | | | $242,364 | | $3,686 | $2,008 | $22,952 |
| Total | $390,173 | $253,608 | $862,023 | $580,518 | $416,331 | $543,103 | $640,695 |
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