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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Coach screws of iron/steel | $6,213 | $27,069 | $16,071 | $12,001 |
| Wood screws other than coach screws, of iron/steel | $18,785 | $23,157 | $61,758 | $48,787 |
| Screw hooks & screw rings, of iron/steel | $8,580 | $12,140 | $20,210 | $4,098 |
| Self-tapping screws of iron/steel | $13,459 | $17,680 | $19,814 | $7,873 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $372,166 | $356,732 | $426,058 | $541,026 |
| Nuts of iron/steel | $181,409 | $42,380 | $65,647 | $102,098 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $238,673 | $82,880 | $135,614 | $38,224 |
| Spring washers & oth. lock washers, of iron/steel | $62,308 | $44,757 | $29,168 | $23,438 |
| Washers (excl. of 7318.21) of iron/steel | $465,764 | $287,907 | $194,443 | $273,862 |
| Rivets of iron/steel | $42,424 | $12,794 | $17,021 | $27,786 |
| Cotters & cotter-pins, of iron/steel | $64,303 | $952 | $5,427 | $70 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $815,058 | $139,499 | $117,051 | $211,747 |
| Total | $2,289,142 | $1,047,947 | $1,108,282 | $1,291,010 |
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