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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $2,556 | $9,998 | $15,871 | $14,495 | $3,173 | $9,456 |
| Wood screws other than coach screws, of iron/steel | $12,528 | $19,114 | $16,441 | $31,616 | $19,878 | $4,853 |
| Screw hooks & screw rings, of iron/steel | $8,480 | $4,400 | $4,302 | $6,614 | $12,976 | $15,928 |
| Self-tapping screws of iron/steel | $80,107 | $46,595 | $72,034 | $44,316 | $87,022 | $140,208 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $561,827 | $718,970 | $710,671 | $1,013,504 | $807,073 | $840,989 |
| Nuts of iron/steel | $74,701 | $100,804 | $101,782 | $105,380 | $87,968 | $118,253 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $242,899 | $202,200 | $232,917 | $190,419 | $89,236 | $231,981 |
| Spring washers & oth. lock washers, of iron/steel | $5,258 | $11,295 | $8,987 | $7,931 | $12,062 | $9,299 |
| Washers (excl. of 7318.21) of iron/steel | $32,683 | $43,062 | $50,850 | $87,608 | $112,936 | $91,985 |
| Rivets of iron/steel | $3,094 | $11,602 | $9,178 | $17,136 | $2,707 | $6,898 |
| Cotters & cotter-pins, of iron/steel | $15,046 | $18,357 | $13,785 | $32,222 | $31,529 | $13,358 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $55,238 | $75,955 | $56,147 | $63,397 | $51,259 | $82,028 |
| Total | $1,094,417 | $1,262,352 | $1,292,965 | $1,614,638 | $1,317,819 | $1,565,236 |
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