HSS
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.
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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 A54286 ACT 7/16-20 0.323 3-5/32 H3 4 Plug HSS NIT/ST 56 $14.85 -
A54143 ACT 1/4-20 0.255 2-1/2 H2 4 Taper, Plug, Bottoming HSS Uncoated 13 $21.32 -
A54052 ACT 8-36 0.168 2-1/8 H2 4 Bottoming HSS STEAM OXIDE 19 $5.94 -
A53924 ACT 4-40 0.141 1-7/8 H2 2 Plug HSS Uncoated 24 $6.68 -
A57971 ACT M16 X 2.0 0.48 3-13/16 D7 4 Plug HSS TIN 24 $54.35 -
A57848 ACT 3/8-16 0.381 2-15/16 H3 4 Taper HSS TIN 78 $13.94 -
A55919 ACT 8-32 0.168 2-1/8 H7 1 Plug HSS TiN 100 $19.18 -
A55256 ACT 5-40 0.141 1-15/16 H2 2 Spiral Point Plug HSS TIN 22 $11.88 -
A54915 ACT M14 X 2.0 0.429 3-19/32 D7 4 Bottoming HSS Uncoated 76 $26.47 -
A54306 ACT 1/2-13 0.367 3-3/8 H3 4 Bottoming HSS NIT/ST 100 $15.84 -
A54156 ACT 1/4-20 0.255 2-1/2 H3 4 Taper, Plug, Bottoming HSS Uncoated 77 $16.79 -
A54071 ACT 10-24 0.194 2-3/8 H3 4 Taper HSS STEAM OXIDE 9 $5.94 -
A53928 ACT 4-40 0.141 1-7/8 H2 3 Plug HSS Uncoated 100 $6.27 -
A57994 ACT M16 X 2.0 0.48 3-13/16 D7 4 Bottoming HSS TIN 16 $54.35 -
A57916 ACT 1/4-20 0.255 2-1/2 H3 4 Taper, Plug, Bottoming HSS TIN Call $16.02 -
A57872 ACT 3/8-16 0.381 2-15/16 H3 4 Plug HSS TIN 41 $13.94 -
A55190 ACT 5-40 0.141 1-15/16 H2 2 Spiral Point Plug HSS ALTiN Call $12.62 -
A54916 ACT M16 X 1.5 0.48 3-13/16 D6 4 Taper HSS Uncoated 42 $32.21 -
A54843 ACT 8-32 0.168 2-1/8 H7 1 Bottoming HSS TiN 29 $19.18 -
A54303 ACT 1/2-13 0.367 3-3/8 H3 4 Plug HSS NIT/ST 66 $15.84 -
A54074 ACT 10-24 0.194 2-3/8 H3 4 Plug HSS STEAM OXIDE 100 $5.94 -
A53922 ACT 4-40 0.141 1-7/8 H1 3 Bottoming HSS Uncoated 100 $6.68 -
A57945 ACT M18 X 1.5 0.542 4-1/32 D6 4 Taper HSS TIN 10 $73.02 -
A57896 ACT 3/8-16 0.381 2-15/16 H3 4 Bottoming HSS TIN 71 $13.94 -
A55920 ACT 8-36 0.168 2-1/8 H3 1 Plug HSS TiN 17 $19.18 -
A54917 ACT M16 X 1.5 0.48 3-13/16 D6 4 Plug HSS Uncoated 29 $32.21 -
A54592 ACT 5-44 0.141 1-15/16 H2 2 Spiral Point Plug HSS Uncoated 100 $8.54 -
A54323 ACT 1/2-20 0.367 3-3/8 H3 4 Bottoming HSS NIT/ST 24 $17.90 -
A54177 ACT 1/4-28 0.255 2-1/2 H3 4 Taper, Plug, Bottoming HSS Uncoated 100 $16.79 -
A54077 ACT 10-24 0.194 2-3/8 H3 4 Bottoming HSS STEAM OXIDE 100 $5.94 -
A53925 ACT 4-40 0.141 1-7/8 H2 2 Bottoming HSS Uncoated 31 $6.68 -
A57972 ACT M18 X 1.5 0.542 4-1/32 D6 4 Plug HSS TIN 15 $73.02 -
A57917 ACT 1/4-28 0.255 2-1/2 H3 4 Taper, Plug, Bottoming HSS TIN Call $16.02 -
A57849 ACT 3/8-24 0.381 2-15/16 H3 4 Taper HSS TIN 3 $13.94 -
A54918 ACT M16 X 1.5 0.48 3-13/16 D6 4 Bottoming HSS Uncoated 21 $32.21 -
A54844 ACT 8-36 0.168 2-1/8 H3 1 Bottoming HSS TiN 10 $19.18 -
A54594 ACT 5-44 0.141 1-15/16 H2 2 Spiral Point Plug HSS STEAM OXIDE 83 $9.28 -
A54320 ACT 1/2-20 0.367 3-3/8 H3 4 Plug HSS NIT/ST 22 $17.90 -
A54103 ACT 10-32 0.194 2-3/8 H3 4 Taper HSS STEAM OXIDE 12 $5.94 -
A53931 ACT 4-40 0.141 1-7/8 H2 3 Bottoming HSS Uncoated 100 $6.27 -
A57995 ACT M18 X 1.5 0.542 4-1/32 D6 4 Bottoming HSS TIN 10 $73.02 -
A57873 ACT 3/8-24 0.381 2-15/16 H3 4 Plug HSS TIN 27 $13.94 -
A55921 ACT 10-24 0.194 2-3/8 H4 1 Plug HSS TiN 5 $17.40 -
A54919 ACT M16 X 2.0 0.48 3-13/16 D7 4 Taper HSS Uncoated 16 $32.21 -
A54593 ACT 5-44 0.141 1-15/16 H2 2 Spiral Point Plug HSS NIT/ST 20 $6.81 -
A54335 ACT 9/16-12 0.429 3-19/32 H3 4 Bottoming HSS NIT/ST 33 $26.60 -
A54186 ACT 5/16-18 0.318 2-23/32 H2 4 Taper, Plug, Bottoming HSS Uncoated 15 $22.52 -
A54106 ACT 10-32 0.194 2-3/8 H3 4 Plug HSS STEAM OXIDE 32 $5.94 -
A53936 ACT 4-48 0.141 1-7/8 H2 3 Taper HSS Uncoated 75 $6.68 -
A57946 ACT M18 X 2.5 0.542 4-1/32 D7 4 Taper HSS TIN 8 $73.02 -
A57897 ACT 3/8-24 0.381 2-15/16 H3 4 Bottoming HSS TIN 14 $13.94 -
A54920 ACT M16 X 2.0 0.48 3-13/16 D7 4 Plug HSS Uncoated 100 $32.21 -
A54845 ACT 10-24 0.194 2-3/8 H4 1 Bottoming HSS TiN 44 $17.40 -
A54595 ACT 6-32 0.141 2 H1 2 Spiral Point Plug HSS Uncoated 47 $7.51 -
A54332 ACT 9/16-12 0.429 3-19/32 H3 4 Plug HSS NIT/ST 15 $26.60 -
A54199 ACT 5/16-18 0.318 2-23/32 H3 4 Taper, Plug, Bottoming HSS Uncoated 100 $20.21 -
A54109 ACT 10-32 0.194 2-3/8 H3 4 Bottoming HSS STEAM OXIDE 19 $5.94 -
A53935 Field Tool 4-48 0.141 1-7/8 H1 3 Plug HSS Uncoated Call $3.79 -
A57973 ACT M18 X 2.5 0.542 4-1/32 D7 4 Plug HSS TIN 20 $73.02 -
A57918 ACT 5/16-18 0.318 2-23/32 H3 4 Taper, Plug, Bottoming HSS TIN Call $19.74 -
A57850 ACT 7/16-14 0.323 3-5/32 H3 4 Taper HSS TIN 4 $21.86 -
A55922 ACT 10-24 0.194 2-3/8 H6 1 Plug HSS TiN 12 $17.40 -
A54921 ACT M16 X 2.0 0.48 3-13/16 D7 4 Bottoming HSS Uncoated 14 $32.21 -
A54596 ACT 6-32 0.141 2 H2 2 Spiral Point Plug HSS Uncoated 18 $6.40 -
A54347 ACT 9/16-18 0.429 3-19/32 H3 4 Bottoming HSS NIT/ST 25 $26.60 -
A54116 ACT 12-24 0.22 2-3/8 H3 4 Taper HSS STEAM OXIDE 77 $6.23 -
A53938 ACT 4-48 0.141 1-7/8 H2 3 Plug HSS Uncoated 62 $6.68 -
A57996 ACT M18 X 2.5 0.542 4-1/32 D7 4 Bottoming HSS TIN 5 $73.02 -
A57874 ACT 7/16-14 0.323 3-5/32 H3 4 Plug HSS TIN 25 $21.86 -
A54922 ACT M18 X 1.5 0.542 4-1/32 D6 4 Taper HSS Uncoated 18 $43.63 -
A54846 ACT 10-24 0.194 2-3/8 H6 1 Bottoming HSS TiN 23 $17.40 -
A54597 ACT 6-32 0.141 2 H3 2 Spiral Point Plug HSS Uncoated 100 $6.40 -
A54344 ACT 9/16-18 0.429 3-19/32 H3 4 Plug HSS NIT/ST 46 $26.60 -
A54219 ACT 5/16-24 0.318 2-23/32 H3 4 Taper, Plug, Bottoming HSS Uncoated 16 $20.21 -
A54119 ACT 12-24 0.22 2-3/8 H3 4 Plug HSS STEAM OXIDE 100 $6.23 -
A53941 ACT 4-48 0.141 1-7/8 H2 3 Bottoming HSS Uncoated 60 $6.68 -
A57947 ACT M20 X 2.5 0.652 4-15/32 D7 4 Taper HSS TIN 9 $94.59 -
A57919 ACT 5/16-24 0.318 2-23/32 H3 4 Taper, Plug, Bottoming HSS TIN Call $19.74 -
A57898 ACT 7/16-14 0.323 3-5/32 H3 4 Bottoming HSS TIN 8 $21.86 -
A55923 ACT 10-32 0.194 2-3/8 H4 1 Plug HSS TiN 27 $17.40 -
A54923 ACT M18 X 1.5 0.542 4-1/32 D6 4 Plug HSS Uncoated 38 $43.63 -
A54600 ACT 6-32 0.141 2 H7 2 Spiral Point Plug HSS Uncoated 40 $6.97 -
A54360 ACT 5/8-11 0.48 3-13/16 H3 4 Bottoming HSS NIT/ST 46 $31.96 -
A54122 ACT 12-24 0.22 2-3/8 H3 4 Bottoming HSS STEAM OXIDE 29 $6.23 -
A53958 ACT 5-40 0.141 1-15/16 H2 3 Taper HSS Uncoated 81 $6.27 -
A57974 ACT M20 X 2.5 0.652 4-15/32 D7 4 Plug HSS TIN 19 $94.59 -
A57851 ACT 7/16-20 0.323 3-5/32 H3 4 Taper HSS TIN 11 $21.86 -
A54924 ACT M18 X 1.5 0.542 4-1/32 D6 4 Bottoming HSS Uncoated 36 $43.63 -
A54847 ACT 10-32 0.194 2-3/8 H4 1 Bottoming HSS TiN 32 $17.40 -
A54599 ACT 6-32 0.141 2 H3 2 Spiral Point Plug HSS STEAM OXIDE 100 $7.18 -
A54357 ACT 5/8-11 0.48 3-13/16 H3 4 Plug HSS NIT/ST 14 $31.96 -
A54228 ACT 3/8-16 0.381 2-15/16 H2 4 Taper, Plug, Bottoming HSS Uncoated 1 $26.02 -
A54126 ACT 12-28 0.22 2-3/8 H3 4 Taper HSS STEAM OXIDE 70 $6.89 -
A53954 ACT 5-40 0.141 1-15/16 H1 3 Plug HSS Uncoated 24 $6.68 -
A57997 ACT M20 X 2.5 0.652 4-15/32 D7 4 Bottoming HSS TIN 8 $94.59 -
A57875 ACT 7/16-20 0.323 3-5/32 H3 4 Plug HSS TIN 22 $21.86 -
A55924 ACT 10-32 0.194 2-3/8 H6 1 Plug HSS TiN 45 $17.40 -
A54925 ACT M18 X 2.5 0.542 4-1/32 D7 4 Taper HSS Uncoated 18 $43.63 -
A54598 ACT 6-32 0.141 2 H3 2 Spiral Point Plug HSS NIT/ST 100 $7.39 -
A54374 ACT 5/8-18 0.48 3-13/16 H3 4 Bottoming HSS NIT/ST 52 $31.96