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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Coach screws of iron/steel | $561 | $1,540 | $319 | $918 |
| Wood screws other than coach screws, of iron/steel | $24,542 | $48,973 | $59,367 | $43,775 |
| Screw hooks & screw rings, of iron/steel | $18,933 | $25,548 | $12,141 | $14,520 |
| Self-tapping screws of iron/steel | $130,662 | $112,331 | $70,778 | $158,358 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $305,379 | $446,433 | $307,930 | $312,565 |
| Nuts of iron/steel | $72,085 | $65,927 | $61,102 | $67,676 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $58,090 | $62,421 | $30,006 | $48,684 |
| Spring washers & oth. lock washers, of iron/steel | $4,009 | $4,883 | $1,387 | $2,737 |
| Washers (excl. of 7318.21) of iron/steel | $32,070 | $35,105 | $19,907 | $33,071 |
| Rivets of iron/steel | $8,124 | $18,535 | $4,508 | $2,800 |
| Cotters & cotter-pins, of iron/steel | $6,094 | $6,543 | $4,463 | $1,862 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $19,790 | $36,248 | $15,441 | $21,111 |
| Total | $680,339 | $864,487 | $587,349 | $708,077 |
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