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
    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
  • A77577 ACT 2-1/2-8 2.1000 8-3/4 H6 6 Plug HSS Uncoated 22
    $882.40
  • 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
  • A57655 ACT 1-1/4-11-1/2 1.3125 4 5 NPT - Interrupted HSS STEAM OXIDE 36
    $283.41
  • A57634 ACT 1-11-1/2 1.125 3-3/4 5 NPT HSS TIN 13
    $147.11
  • A55885 ACT M4 X 0.7 0.168 2-1/8 D6 Bottoming HSS TiN 35
    $19.87
  • A55868 ACT 5/16-24 0.318 2-23/32 H2 4 Hand Plug HSS Uncoated 74
    $19.83
  • A54977 ACT M7 X 1.0 0.318 2-23/32 D5 2 Spiral Point Plug HSS Uncoated 58
    $9.98
  • A54957 ACT M14 X 1.5 0.429 3-19/32 D6 4 Taper, Plug, Bottoming HSS Uncoated 12
    $82.46
  • A54574 ACT 3-56 0.141 1-13/16 H1 2 Spiral Point Plug HSS Uncoated 66
    $11.88
  • A54011 ACT 6-40 0.141 2 H2 3 Taper, Plug, Bottoming HSS Uncoated 11
    $17.36
  • A53940 ACT 4-48 0.141 1-7/8 H2 3 Plug HSS STEAM OXIDE 71
    $7.75
  • A53898 ACT 2-64 0.141 1-3/4 H2 3 Taper HSS Uncoated 30
    $10.92
  • A79058 ACT 3/4-16 0.5900 4-1/4 H3 4 Taper, Plug, Bottoming HSS TiN 5
    $244.99
  • A77614 ACT 6-40 0.1410 2 H2 2 SP/PT Bottom HSS TiN 8
    $16.32
  • A77578 ACT 2-1/2-8 2.1000 8-3/4 H6 6 Bottom HSS Uncoated 7
    $882.40
  • A77548 ACT M5 x 0.5 0.1940 2-3/8 D3 4 Plug HSS Uncoated 11
    $10.38
  • A77428 ACT 1/4-20 0.2550 2-1/2 H8 None Single Thread HSS Uncoated 19
    $14.94
  • A77417 ACT 5/8-18 0.4800 6 H3 3 SP/PT Plug HSS ALTiN 7
    $135.47
  • A77396 ACT M4 X 0.7 0.1680 2-1/8 D7 None Single Thread HSS TiN 21
    $18.58
  • A77365 ACT 9/16-18 0.4290 3.5938" H3 4 Semi Bottom HSS ZRN 13
    $83.70
  • A77193 ACT 7/8-14 0.6970 4-11/16 H4 4 Plug HSS TiN 8
    $154.43
  • A77192 ACT 7/8-14 0.6970 4-11/16 H4 4 Plug HSS Uncoated 5
    $146.31
  • A58014 ACT M14 X 1.5 0.429 3-19/32 D6 4 Taper, Plug, Bottoming HSS TIN Available to Order*
    $142.12
  • A57963 ACT M8 X 1.25 0.318 2-23/32 D5 4 Plug HSS TIN 11
    $13.94
  • A57889 ACT 10-32 0.194 2-3/8 H3 4 Bottoming HSS TIN 23
    $9.56
  • A57656 ACT 1-1/4-11-1/2 1.3125 4 5 NPT - Interrupted HSS TIN 5
    $286.92
  • A57633 ACT 1-11-1/2 1.125 3-3/4 5 NPT HSS STEAM OXIDE 18
    $133.37
  • A57611 ACT M7 X 1.0 0.318 2-23/32 D5 2 Spiral Point Plug HSS TIN 21
    $13.94
  • A55869 ACT 5/16-24 11.141 1-7/19 H2 4 Hand Bottoming HSS Uncoated 24
    $19.83
  • A54575 ACT 3-56 0.141 1-13/16 H2 2 Spiral Point Plug HSS Uncoated 20
    $10.84
  • A54018 ACT 8-32 0.168 2-1/8 H1 4 Taper, Plug, Bottoming HSS Uncoated 19
    $19.75
  • A53943 ACT 4-48 0.141 1-7/8 H2 3 Bottoming HSS STEAM OXIDE 15
    $7.75
  • A53900 ACT 2-64 0.141 1-3/4 H2 3 Plug HSS Uncoated 42
    $10.92
  • A79040 ACT 7/8-9 0.6970 4-11/16 H4 4 Taper, Plug, Bottoming HSS Uncoated 6
    $285.64
  • A77579 ACT 2-5/8-8 2.2250 8-3/4 H8 6 Taper HSS Uncoated 4
    $951.89
  • A77549 ACT M5 x 0.5 0.1940 2-3/8 D3 4 Bottom HSS Uncoated 9
    $10.38
  • A77442 ACT M4 x 0.7 0.1680 2-1/8 D7 None Single Thread HSS Uncoated 33
    $14.77
  • A77429 ACT 1/4-28 0.2550 2-1/2 H4 None Single Thread HSS Uncoated 18
    $14.94
  • A77216 ACT 3/8-24 0.3810 2-15/16 H3 4 Taper HSS TiN 8
    $45.78
  • A77194 ACT 7/8-14 0.6970 4-11/16 H4 4 Bottom HSS Uncoated 10
    $146.31
  • A57986 ACT M8 X 1.25 0.318 2-23/32 D5 4 Bottoming HSS TIN 17
    $13.94
  • A57842 ACT 12-24 0.22 2-3/8 H3 4 Taper HSS TIN 78
    $10.19
  • A55870 ACT 3/8-16 0.381 2-15/16 H3 4 Hand Plug HSS Uncoated 100
    $21.48
  • A55833 ACT 5/8-11 0.48 3-13/16 H3 4 High Spiral HSS Uncoated 14
    $107.69
  • A55061 ACT 3/4-10 0.59 6 H3 NC .442 11/16 2 3 Spiral Point Plug HSS Uncoated 41
    $166.98
  • A55013 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPT - Interrupted HSS Uncoated 17
    $360.92
  • A54993 ACT 1-1/4-11-1/2 1.3125 4 5 NPT HSS Uncoated 38
    $174.78
  • A54978 ACT M8 X 1.25 0.318 2-23/32 D5 2 Spiral Point Plug HSS Uncoated 100
    $9.98
  • A54958 ACT M14 X 2.0 0.429 3-19/32 D7 4 Taper, Plug, Bottoming HSS Uncoated 14
    $82.46
  • A54726 ACT 8-32 0.168 2-1/8 H2 2 Spiral Point Bottoming HSS Uncoated 19
    $11.96
  • A54576 ACT 3-56 0.141 1-13/16 H2 2 Spiral Point Plug HSS STEAM OXIDE 15
    $11.70
  • A54026 ACT 8-32 0.168 2-1/8 H2 4 Taper, Plug, Bottoming HSS Uncoated 6
    $17.36
  • A53959 ACT 5-40 0.141 1-15/16 H2 3 Taper HSS STEAM OXIDE Available to Order*
    $7.26
  • A53902 ACT 2-64 0.141 1-3/4 H2 3 Bottoming HSS Uncoated 78
    $10.92
  • A79041 ACT 7/8-14 0.6970 4-11/16 H4 4 Taper, Plug, Bottoming HSS Uncoated 1
    $285.64
  • A77580 ACT 2-5/8-8 2.2250 8-3/4 H8 6 Bottom HSS Uncoated 9
    $951.89
  • A77526 ACT M4 X 0.7 0.1680 2-1/8 D7 None Plug HSS Uncoated 53
    $14.77
  • A77430 ACT 1/4-28 0.2550 2-1/2 H6 None Single Thread HSS Uncoated 20
    $14.94
  • A77218 ACT 3/8-24 0.3810 2-15/16 H3 4 Plug HSS TiN 19
    $45.78
  • A77217 ACT 3/8-24 0.3810 2-15/16 H3 4 Plug HSS Uncoated 42
    $38.21
  • A58015 ACT M14 X 2.0 0.429 3-19/32 D7 4 Taper, Plug, Bottoming HSS TIN Available to Order*
    $142.12
  • A57937 ACT M10 X 1.25 0.381 2-15/16 D5 4 Taper HSS TIN 20
    $26.13
  • A57866 ACT 12-24 0.22 2-3/8 H3 4 Plug HSS TIN 19
    $10.19
  • A57657 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPT - Interrupted HSS STEAM OXIDE 54
    $388.01
  • A57636 ACT 1-1/4-11-1/2 1.3125 4 5 NPT HSS TIN 12
    $212.33
  • A57612 ACT M8 X 1.25 0.318 2-23/32 D5 2 Spiral Point Plug HSS TIN 58
    $13.94
  • A55871 ACT 3/8-16 12.141 1-7/20 H3 4 Hand Bottoming HSS Uncoated 21
    $21.48
  • A55834 ACT 5/8-18 0.48 3-13/16 H3 4 High Spiral HSS Uncoated 49
    $107.69
  • A55062 ACT 3/4-16 0.59 6 H3 NF .442 11/16 2 3 Spiral Point Plug HSS Uncoated 16
    $166.98
  • A54889 ACT M6 X 1.0 0.255 2-1/2 D5 4 Taper HSS Uncoated 100
    $7.67
  • A54727 ACT 8-32 0.168 2-1/8 H3 2 Spiral Point Bottoming HSS Uncoated 100
    $11.96
  • A54585 ACT 4-36 0.141 1-7/8 H2 2 Spiral Point Plug HSS Uncoated 100
    $8.82
  • A54039 ACT 8-32 0.168 2-1/8 H3 4 Taper, Plug, Bottoming HSS Uncoated 33
    $17.36
  • A53962 ACT 5-40 0.141 1-15/16 H2 3 Plug HSS STEAM OXIDE 68
    $7.26
  • A53908 ACT 3-48 0.141 1-13/16 H2 3 Taper HSS Uncoated 38
    $7.95
  • A79059 ACT 7/8-9 0.6970 4-11/16 H4 4 Taper, Plug, Bottoming HSS TiN 7
    $333.39
  • A77615 ACT 8-32 0.1680 2-1/8 H2 2 SP/PT Bottom HSS TiN 14
    $14.94
  • A77581 ACT 2-3/4-8 2.3500 9-1/4 H8 6 Plug HSS Uncoated 2
    $1,021.34
  • A77527 ACT M4 X 0.7 0.1680 2-1/8 D7 None Bottom HSS Uncoated 72
    $14.77
  • A77472 ACT M8 x 1.0 0.3180 2.7188" D5 2 SP/PT Plug HSS Uncoated 56
    $13.35
  • A77461 ACT 1/4-20 0.2550 2-1/2 H5 None Single Thread HSS TiN 25
    $19.09
  • A77418 ACT 3/4-10 0.5900 6 H3 3 SP/PT Plug HSS ALTiN 7
    $173.80
  • A77366 ACT 5/8-11 0.4800 3-13/16 H3 4 Semi Bottom HSS ZRN 3
    $108.93
  • A77220 ACT 3/8-24 0.3810 2-15/16 H3 4 Bottom HSS TiN 14
    $45.78
  • A77219 ACT 3/8-24 0.3810 2-15/16 H3 4 Bottom HSS Uncoated 100
    $38.21
  • A57938 ACT M10 X 1.5 0.381 2-15/16 D6 4 Taper HSS TIN 42
    $26.13

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

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