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    Taps - Carbon Bottoming


    Bottoming taps are used where you need to thread as much of a blind hole as possible. They are often difficult to get started and thus are typically used with milling machines, or after starting the hole with a taper tap.
    Carbon steel taps are more cost effective than HSS taps for a small number of holes or in softer materials.
    Part #
    Price
    TPCB.187X24
    • 3/16" x 24
    • 3/16 X 24 NS CARBON BOTTOM TAP
    $1.36
    TPCB.187X24_12_PACK
    • 3/16" x 24
    • 3/16 X 24 NS CARBON BOTTOM TAP
    12 per package $0.97 /ea
    $11.64
    TPCB.187X32
    • 3/16" x 32
    • 66B18732 3/16 X 32 NS CARBON BOTTOM TAP
    $1.36
    TPCB.250X20
    • 1/4" x 20 NC
    • 1/4 X 20 NC CARBON BOTTOM TAP
    $1.69
    TPCB.250X20_12_PACK
    • 1/4" x 20 NC
    • 1/4 X 20 NC CARBON BOTTOM TAP 12 PACK
    12 per package $1.31 /ea
    $15.72
    TPCB.250X28
    • 1/4" x 28 NF
    • 66B25028 1/4 X 28 NF CARBON BOTTOM TAP
    $1.99
    TPCB.312X18
    • 5/16" x 18 NC
    • 66B31218 5/16 X 18 NC CARBON BOTTOM TAP
    $3.10
    TPCB.312X24
    • 5/16" x 24 NF
    • 66B31224 5/16 X 24 NF CARBON BOTTOM TAP
    $3.10
    TPCB.375X16
    • 3/8" x 16 NC
    • 66B37516 3/8 X 16 NC CARBON BOTTOM TAP
    $3.47
    TPCB.375X24
    • 3/8" x 24 NF
    • 66B37524 3/8 X 24 NF CARBON BOTTOM TAP
    $3.47
    TPCB.437X14
    • 7/16" x 14 NC
    • 66B43714 7/16 X 14 NC CARBON BOTTOM TAP
    $3.95
    TPCB.437X20
    • 7/16" x 20 NF
    • 66B43720 7/16 X 20 NF CARBON BOTTOM TAP
    $3.95
    TPCB.500X13
    • 1/2" x 13 NC
    • 66B50013 1/2 X 13 NC CARBON BOTTOM TAP
    $4.21
    TPCB.500X20
    • 1/2" x 20 NF
    • 66B50020 1/2 X 20 NF CARBON BOTTOM TAP
    $4.21
    TPCB.562X12
    • 9/16" x 12 NC
    • 66B56212 9/16 X 12 NC CARBON BOTTOM TAP
    $6.18
    TPCB.562X18
    • 9/16" x 18 NF
    • 66B56218 9/16 X 18 NF CARBON BOTTOM TAP
    $6.18
    TPCB.625X11
    • 5/8" x 11 NC
    • 66B62511 5/8 X 11 NC CARBON BOTTOM TAP
    $6.73
    TPCB.625X18
    • 5/8" x 18 NF
    • 66B62518 5/8 X 18 NF CARBON BOTTOM TAP
    $6.73
    TPCB.687X11
    • 11/16" x 11
    • 11/16X11 CARBON BOTTOM
    $6.12
    TPCB.687X16
    • 11/16" x 16
    • 11/16X16 CARBON BOTTOM
    $6.12
    TPCB.750X10
    • 3/4" x 10 NC
    • 66B75010 3/4 X 10 NC CARBON BOTTOM TAP
    $10.58
    TPCB.750X16
    • 3/4" x 16 NF
    • 66B75016 3/4 X 16 NF CARBON BOTTOM TAP
    $10.58
    TPCB.875X14
    • 7/8" x 14 NF
    • 66B87514 7/8 X 14 NF CARBON BOTTOM TAP
    $15.45
    TPCB.875X9
    • 7/8" x 9 NC
    • 66B87509 7/8 X 9 NC CARBON BOTTOM TAP
    $15.45
    TPCB1.000X12
    • 1" x 12 NF
    • 66B100012 1 X 12 NF CARBON BOTTOM TAP
    $18.73
    TPCB1.000X14
    • 1" x 14
    • 66B100014 1 X 14 NS CARBON BOTTOM TAP
    $18.73
    TPCB1.000X8
    • 1" x 8 NC
    • 66B100008 1 X 8 NC CARBON BOTTOM TAP
    $18.73
    TPCB1.125X12
    • 1-1/8" x 12 NF
    • 66B112512 1 1/8 X 12 NF CARBON BOTTOM TAP
    $31.24
    TPCB1.125X7
    • 1-1/8" x 7 NC
    • 66B112507 1 1/8 X 7 NC CARBON BOTTOM TAP
    $31.24
    TPCB1.250X12
    • 1-1/4" x 12 NF
    • 66B125012 1 1/4 X 12 NF CARBON BOTTOM TAP
    $32.94
    TPCB1.250X7
    • 1-1/4" x 7 NC
    • 66B125007 1 1/4 X 7 NC CARBON BOTTOM TAP
    $32.94
    TPCB1.375X12
    • 1-3/8" x 12 NF
    • 66B137512 1 3/8 X 12 NF CARBON BOTTOM TAP
    $59.81
    TPCB1.375X6
    • 1-3/8" x 6 NC
    • 66B137506 1 3/8 X 6 NC CARBON BOTTOM TAP
    $59.81
    TPCB1.500X12
    • 1-1/2" x 12 NF
    • 66B150012 1 1/2 X 12 NF CARBON BOTTOM TAP
    $66.38
    TPCB1.500X6
    • 1-1/2" x 6 NC
    • 66B150006 1 1/2 X 6 NC CARBON BOTTOM TAP
    $66.38
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