Taper pipe reamers
    Norm: ANSI B94.2
    Size Diameter Small end Diameter Large end Length   
    Flute
    Length
    Overall
    กก d d0 l L
    1/8" 0.316" 0.362" 3/4" 2-1/8"
    1/4" 0.406" 0.472" 1-1/16" 2-7/16"
    3/8" 0.540" 0.606" 1-1/16" 2-9/16"
    1/2" 0.665" 0.751" 1-3/8" 3-1/8"
    3/4" 0.876" 0.962" 1-3/8/" 3-1/4"
    1" 1.103" 1.212" 1-3/4" 3-3/4"
    1-1/4" 1.444" 1.553" 1-3/4" 4"
    1-1/2" 1.684" 1.793" 1-3/4" 4-1/4"
    2" 2.159" 2.268" 1-3/4" 4-1/2"
    2-1/2" 2.561" 2.722" 2-9/16" 5-1/2"