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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $5,353 | $2,506 | | | $2,610 | $61 | $4,617 |
| Wood screws other than coach screws, of iron/steel | $254,151 | $356,678 | $352,415 | $439,268 | $227,951 | $374,568 | $274,906 |
| Screw hooks & screw rings, of iron/steel | $377,918 | $431,884 | $358,417 | $371,439 | $112,987 | $222,418 | $116,335 |
| Self-tapping screws of iron/steel | $152,679 | $313,462 | $277,397 | $632,659 | $1,087,639 | $1,650,369 | $831,104 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $3,307,217 | $4,675,484 | $5,079,049 | $6,330,408 | $6,375,994 | $5,206,480 | $6,383,808 |
| Nuts of iron/steel | $543,334 | $303,032 | $314,954 | $738,782 | $417,014 | $328,363 | $353,348 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $760,124 | $619,495 | $517,517 | $568,365 | $330,783 | $268,594 | $159,582 |
| Spring washers & oth. lock washers, of iron/steel | $138,167 | $197,199 | $70,093 | $159,711 | $109,144 | $40,625 | $381,583 |
| Washers (excl. of 7318.21) of iron/steel | $161,545 | $198,347 | $482,420 | $231,236 | $181,652 | $270,809 | $190,342 |
| Rivets of iron/steel | $51,425 | $76,873 | $35,828 | $62,219 | $113,058 | $38,459 | $84,524 |
| Cotters & cotter-pins, of iron/steel | $88,371 | $26,859 | $65,862 | $105,880 | $134,106 | $203,799 | $145,911 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $264,101 | $221,105 | $242,259 | $498,462 | $196,077 | $258,117 | $359,234 |
| Total | $6,104,385 | $7,422,924 | $7,796,211 | $10,138,429 | $9,289,015 | $8,862,662 | $9,285,294 |
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