Commodity20052007200920102011
Coach screws of iron/steel$185    
Wood screws other than coach screws, of iron/steel$320$1,016   
Screw hooks & screw rings, of iron/steel    $1
Self-tapping screws of iron/steel$305,933$166,101$77,714$72,427$39,410
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$1,654$2,904$8,390$141,052$13,148
Nuts of iron/steel$258  $1,012$222
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$86$11 $384 
Washers (excl. of 7318.21) of iron/steel   $1,014 
Cotters & cotter-pins, of iron/steel $3,094   
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... $425 $374$38
Total$308,436$173,551$86,104$216,263$52,819