HSS

HSS

Screw & Fractional Size
Screw & Fractional Size
Metric
Metric
Pipe Pulley Thread Forming
Pipe Pulley Thread Forming
Straight Spiral Flute
Straight Spiral Flute

Our standard HSS tap selection covers Screw & Fractional sizing, Metric threads, Pipe & Pulley Thread Forming taps, and Straight Spiral Flute styles for improved chip control. HSS taps remain the standard choice for general-purpose threading work across a wide range of materials and shop setups, from manual tapping to lower-speed machine tapping.

As with the rest of our tap line, every HSS tap is manufactured in the USA using domestic materials, with same-day shipping on in-stock sizes and a 97% fill rate.

  • Compare SKU Vendor Size Shank Diameter Overall Length H Limit D Limit NC / NF Square Size Square Length Thread Length Number of Lube Grooves Number of Flutes Style Material Coating In Stock Price Quantity
    A54569 ACT 2-64 0.141 1-3/4 H2 2 Spiral Point Plug HSS Uncoated 100
    $13.49
  • A53976 ACT 5-44 0.141 1-15/16 H2 3 Taper, Plug, Bottoming HSS Uncoated 4
    $15.00
  • A53889 ACT 2-56 0.141 1-3/4 H2 2 Plug HSS Uncoated 44
    $10.92
  • A79037 ACT 5/8-18 0.4800 3-13/16 H3 4 Taper, Plug, Bottoming HSS Uncoated 6
    $149.37
  • A77441 ACT M3.5 x 0.6 0.1410 2 D7 None Single Thread HSS Uncoated 77
    $14.77
  • A77414 ACT 1/2-13 0.3670 6 H3 3 SP/PT Plug HSS ALTiN 6
    $104.37
  • A77362 ACT 1/2-13 0.3670 3-3/8 H3 3 Semi Bottom HSS ZRN 18
    $56.71
  • A77299 ACT 1/4-28 0.2550 2-1/2 H6 None Bottom HSS Uncoated 15
    $14.94
  • A77183 ACT 3/4-16 0.5900 4-1/4 H3 4 Bottom HSS Uncoated 17
    $105.08
  • A77182 ACT 3/4-16 0.5900 4-1/4 H3 4 Plug HSS TiN 2
    $111.82
  • A57984 ACT M6 X 1.0 0.255 2-1/2 D5 4 Bottoming HSS TIN 11
    $13.49
  • A57840 ACT 10-24 0.194 2-3/8 H3 4 Taper HSS TIN 16
    $9.56
  • A55864 ACT 1/4-28 0.255 2-1/2 H2 3 Hand Plug HSS Uncoated 23
    $18.39
  • A55033 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPTF Dryseal HSS Uncoated 2
    $186.81
  • A55011 ACT 1-11-1/2 1.125 3-3/4 5 NPT - Interrupted HSS Uncoated 35
    $190.07
  • A54991 ACT 3/4-14 0.9063 3-1/4 5 NPT HSS Uncoated 39
    $80.77
  • A54976 ACT M6 X 1.0 0.255 2-1/2 D5 2 Spiral Point Plug HSS Uncoated 100
    $8.66
  • A54955 ACT M12 X 1.25 0.367 3-3/8 D5 4 Taper, Plug, Bottoming HSS Uncoated 19
    $55.54
  • A54888 ACT M5 X 0.8 0.194 2-3/8 D4 4 Bottoming HSS Uncoated 100
    $7.13
  • A54815 ACT 3/4-10 0.759 12 H3 4 Pulley HSS Uncoated 9
    $159.85
  • A54723 ACT 6-32 0.141 2 H2 2 Spiral Point Bottoming HSS Uncoated 40
    $11.96
  • A54570 ACT 2-64 0.141 1-3/4 H2 2 Spiral Point Plug HSS STEAM OXIDE 15
    $14.31
  • A54076 ACT 10-24 0.194 2-3/8 H3 4 Bottoming HSS NIT/ST 19
    $6.14
  • A53981 ACT 6-32 0.141 2 H1 3 Taper, Plug, Bottoming HSS Uncoated 24
    $18.59
  • A53927 ACT 4-40 0.141 1-7/8 H2 3 Taper HSS STEAM OXIDE 100
    $7.26
  • A53893 ACT 2-56 0.141 1-3/4 H2 3 Plug HSS Uncoated 78
    $10.09
  • A79056 ACT 5/8-11 0.4800 3-13/16 H3 4 Taper, Plug, Bottoming HSS TiN Available to Order*
    $178.11
  • A77544 ACT M5 X 0.9 0.1940 2-3/8 D3 4 Taper HSS Uncoated 19
    $10.38
  • A77523 ACT M3.5 X 0.6 0.1410 2 D7 None Plug HSS TiN 7
    $18.41
  • A77415 ACT 1/2-20 0.3670 6 H3 3 SP/PT Plug HSS ALTiN 2
    $99.23
  • A77382 ACT 1/4-20 0.2550 2-1/2 H8 None Single Thread HSS TiN 51
    $19.09
  • A77363 ACT 1/2-20 0.3670 3-3/8 H3 3 Semi Bottom HSS ZRN 8
    $56.71
  • A77185 ACT 7/8-9 0.6970 4-11/16 H4 4 Taper HSS TiN 16
    $154.43
  • A77184 ACT 7/8-9 0.6970 4-11/16 H4 4 Taper HSS Uncoated 27
    $146.31
  • A58389 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPTF Dryseal HSS TIN 1
    $200.26
  • A58012 ACT M12 X 1.25 0.367 3-3/8 D5 4 Taper, Plug, Bottoming HSS TIN Available to Order*
    $94.20
  • A57935 ACT M7 X 1.0 0.318 2-23/32 D5 4 Taper HSS TIN 14
    $13.94
  • A57864 ACT 10-24 0.194 2-3/8 H3 4 Plug HSS TIN 17
    $9.56
  • A57653 ACT 1-11-1/2 1.125 3-3/4 5 NPT - Interrupted HSS STEAM OXIDE 16
    $204.34
  • A57632 ACT 3/4-14 0.9063 3-1/4 5 NPT HSS TIN 20
    $100.97
  • A57610 ACT M6 X 1.0 0.255 2-1/2 D5 2 Spiral Point Plug HSS TIN 77
    $12.00
  • A55865 ACT 1/4-28 9.141 1-7/17 H2 3 Hand Bottoming HSS Uncoated 15
    $18.39
  • A54724 ACT 6-32 0.141 2 H3 2 Spiral Point Bottoming HSS Uncoated 60
    $11.96
  • A54571 ACT 3-48 0.141 1-13/16 H1 2 Spiral Point Plug HSS Uncoated 80
    $9.70
  • A54073 ACT 10-24 0.194 2-3/8 H3 4 Plug HSS NIT/ST 22
    $6.14
  • A53992 ACT 6-32 0.141 2 H2 3 Taper, Plug, Bottoming HSS Uncoated 18
    $17.36
  • A53930 ACT 4-40 0.141 1-7/8 H2 3 Plug HSS STEAM OXIDE 100
    $7.26
  • A53887 ACT 2-56 0.141 1-3/4 H1 3 Bottoming HSS Uncoated 50
    $10.92
  • A79038 ACT 3/4-10 0.5900 4-1/4 H3 4 Taper, Plug, Bottoming HSS Uncoated 8
    $209.12
  • A77545 ACT M5 X 0.9 0.1940 2-3/8 D3 4 Plug HSS Uncoated 45
    $10.38
  • A77524 ACT M3.5 X 0.6 0.1410 2 D7 None Bottom HSS TiN 21
    $18.41
  • A77470 ACT M6 x 0.75 0.2550 2-1/2 D3 2 SP/PT Plug HSS Uncoated 40
    $10.38
  • A77383 ACT 1/4-28 0.2550 2-1/2 H4 None Single Thread HSS TiN 5
    $19.09
  • A77187 ACT 7/8-9 0.6970 4-11/16 H4 4 Plug HSS TiN 13
    $154.43
  • A77186 ACT 7/8-9 0.6970 4-11/16 H4 4 Plug HSS Uncoated 16
    $146.31
  • A57962 ACT M7 X 1.0 0.318 2-23/32 D5 4 Plug HSS TIN 24
    $13.94
  • A57888 ACT 10-24 0.194 2-3/8 H3 4 Bottoming HSS TIN 12
    $9.56
  • A57654 ACT 1-11-1/2 1.125 3-3/4 5 NPT - Interrupted HSS TIN 7
    $230.93
  • A57631 ACT 3/4-14 0.9063 3-1/4 5 NPT HSS STEAM OXIDE 43
    $88.64
  • A55866 ACT 5/16-18 0.318 2-23/32 H3 4 Hand Plug HSS Uncoated 75
    $19.83
  • A55831 ACT 9/16-12 0.429 3-19/32 H3 4 High Spiral HSS Uncoated 29
    $82.05
  • A55059 ACT 5/8-11 0.48 6 H3 NC .360 9/16 1-13/16 3 Spiral Point Plug HSS Uncoated Available to Order*
    $128.68
  • A55034 ACT 2-11-1/2 1.875 4-1/2 7 NPTF Dryseal HSS Uncoated 23
    $254.10
  • A54956 ACT M12 X 1.75 0.367 3-3/8 D6 4 Taper, Plug, Bottoming HSS Uncoated Available to Order*
    $55.54
  • A54725 ACT 6-40 0.141 2 H2 2 Spiral Point Bottoming HSS Uncoated 19
    $13.69
  • A54572 ACT 3-48 0.141 1-13/16 H2 2 Spiral Point Plug HSS Uncoated 22
    $9.70
  • A54108 ACT 10-32 0.194 2-3/8 H3 4 Bottoming HSS NIT/ST 100
    $6.14
  • A53998 ACT 6-32 0.141 2 H3 3 Taper, Plug, Bottoming HSS Uncoated 8
    $17.36
  • A53933 ACT 4-40 0.141 1-7/8 H2 3 Bottoming HSS STEAM OXIDE 100
    $7.26
  • A53890 ACT 2-56 0.141 1-3/4 H2 2 Bottoming HSS Uncoated 33
    $10.92
  • A79039 ACT 3/4-16 0.5900 4-1/4 H3 4 Taper, Plug, Bottoming HSS Uncoated 1
    $209.12
  • A77612 ACT 6-32 0.1410 2 H2 2 SP/PT Bottom HSS TiN 11
    $14.73
  • A77546 ACT M5 X 0.9 0.1940 2-3/8 D3 4 Bottom HSS Uncoated 15
    $10.38
  • A77471 ACT M6 x 0.75 0.2550 2-1/2 D3 2 SP/PT Plug HSS TiN 5
    $13.55
  • A77384 ACT 1/4-28 0.2550 2-1/2 H6 None Single Thread HSS TiN 9
    $19.09
  • A77215 ACT M7 X 1.0 0.3180 2.7188" D5 4 Bottom HSS TiN 16
    $13.01
  • A77189 ACT 7/8-9 0.6970 4-11/16 H4 4 Bottom HSS TiN 11
    $154.43
  • A77188 ACT 7/8-9 0.6970 4-11/16 H4 4 Bottom HSS Uncoated 19
    $146.31
  • A58390 ACT 2-11-1/2 1.875 4-1/2 7 NPTF Dryseal HSS TIN 11
    $267.46
  • A57910 ACT 6-32 0.141 2 H3 3 Taper, Plug, Bottoming HSS TIN Available to Order*
    $24.70
  • A57841 ACT 10-32 0.194 2-3/8 H3 4 Taper HSS TIN 14
    $9.56
  • A55884 ACT M4 X 0.7 0.168 2-1/8 D6 Plug HSS TiN 8
    $19.87
  • A55867 ACT 5/16-18 10.141 1-7/18 H3 4 Hand Bottoming HSS Uncoated 59
    $19.83
  • A55832 ACT 9/16-18 0.429 3-19/32 H3 4 High Spiral HSS Uncoated 17
    $82.05
  • A55060 ACT 5/8-18 0.48 6 H3 NF .360 9/16 1-13/16 3 Spiral Point Plug HSS Uncoated 26
    $128.68
  • A54992 ACT 1-11-1/2 1.125 3-3/4 5 NPT HSS Uncoated 56
    $123.28
  • A54573 ACT 3-48 0.141 1-13/16 H2 2 Spiral Point Plug HSS STEAM OXIDE 100
    $10.47
  • A54105 ACT 10-32 0.194 2-3/8 H3 4 Plug HSS NIT/ST 24
    $6.14
  • A53937 ACT 4-48 0.141 1-7/8 H2 3 Taper HSS STEAM OXIDE 100
    $7.75
  • A53895 ACT 2-56 0.141 1-3/4 H2 3 Bottoming HSS Uncoated 100
    $10.09
  • A79057 ACT 3/4-10 0.5900 4-1/4 H3 4 Taper, Plug, Bottoming HSS TiN 3
    $244.99
  • A77613 ACT 6-32 0.1410 2 H3 2 SP/PT Bottom HSS TiN 23
    $14.73
  • A77547 ACT M5 x 0.5 0.1940 2-3/8 D3 4 Taper HSS Uncoated 44
    $10.38
  • A77427 ACT 1/4-20 0.2550 2-1/2 H5 None Single Thread HSS Uncoated 29
    $14.94
  • A77416 ACT 5/8-11 0.4800 6 H3 3 SP/PT Plug HSS ALTiN 9
    $145.26
  • A77364 ACT 9/16-12 0.4290 3.5938" H3 4 Semi Bottom HSS ZRN 18
    $83.70
  • A77191 ACT 7/8-14 0.6970 4-11/16 H4 4 Taper HSS TiN 6
    $154.43
  • A77190 ACT 7/8-14 0.6970 4-11/16 H4 4 Taper HSS Uncoated 18
    $146.31
  • A57936 ACT M8 X 1.25 0.318 2-23/32 D5 4 Taper HSS TIN 18
    $13.94
  • A57865 ACT 10-32 0.194 2-3/8 H3 4 Plug HSS TIN 25
    $9.56

* Lead times can vary from 1–10 business days. Call (908) 98-ATLAS or email sales@atlascuttingtools.com for details.

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