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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Coach screws of iron/steel | $24,214 | $2,622 | $2,251 | $7,653 |
| Wood screws other than coach screws, of iron/steel | $1,548 | $508 | $680 | $1,256 |
| Screw hooks & screw rings, of iron/steel | $10,862 | $16,143 | $8,230 | $20,032 |
| Self-tapping screws of iron/steel | $206 | $5,160 | $6,242 | $1,279 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $60,306 | $134,076 | $214,417 | $87,716 |
| Nuts of iron/steel | $2,551 | $5,494 | $67,157 | $17,466 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $1,529 | $44,152 | $27,949 | $36,029 |
| Spring washers & oth. lock washers, of iron/steel | $2,765 | $3,172 | $3,004 | $5,072 |
| Washers (excl. of 7318.21) of iron/steel | $5,063 | $3,847 | $27,209 | $20,729 |
| Rivets of iron/steel | $498 | $1,926 | $732 | $1,137 |
| Cotters & cotter-pins, of iron/steel | $360 | $73 | $433 | |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $4,851 | $82,692 | $9,899 | $89,425 |
| Total | $114,753 | $299,865 | $368,203 | $287,794 |
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