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 A57618 ACT M20 X 2.5 0.652 4-15/32 D7 4 Spiral Point Plug HSS TIN 26 $88.07 -
A55877 ACT 7/16-20 15.141 1-7/23 H3 4 Hand Bottoming HSS Uncoated 24 $28.58 -
A54904 ACT M12 X 1.25 0.367 3-3/8 D5 4 Taper HSS Uncoated 47 $17.86 -
A54837 ACT 6-32 0.141 2 H5 1 Bottoming HSS TiN 27 $19.01 -
A54579 ACT 4-40 0.141 1-7/8 H2 2 Spiral Point Plug HSS NIT/ST 79 $8.46 -
A54194 ACT 5/16-18 0.318 2-23/32 H3 4 Plug HSS NIT/ST 32 $7.80 -
A53988 ACT 6-32 0.141 2 H2 3 Plug HSS STEAM OXIDE 100 $5.78 -
A53915 ACT 3-56 0.141 1-13/16 H2 3 Taper HSS Uncoated 59 $8.54 -
A57941 ACT M14 X 1.5 0.429 3-19/32 D6 4 Taper HSS TIN 17 $44.49 -
A57892 ACT 1/4-20 0.255 2-1/2 H3 4 Bottoming HSS TIN 100 $10.02 -
A55914 ACT 6-32 0.141 2 H7 1 Plug HSS TiN Call $9.87 -
A55878 ACT 1/2-13 0.367 3-3/8 H3 4 Hand Plug HSS Uncoated 22 $32.16 -
A55255 ACT 4-40 0.141 1-7/8 H2 2 Spiral Point Plug HSS TIN 16 $11.88 -
A54962 ACT M18 X 2.5 0.542 4-1/32 D7 4 Taper, Plug, Bottoming HSS Uncoated 4 $131.03 -
A54905 ACT M12 X 1.25 0.367 3-3/8 D5 4 Plug HSS Uncoated 47 $17.86 -
A54217 Field Tool 5/16-24 0.318 2-23/32 H3 4 Bottoming HSS NIT/ST Call $4.21 -
A54089 ACT 10-32 0.194 2-3/8 H1 4 Taper, Plug, Bottoming HSS Uncoated 22 $16.79 -
A53991 ACT 6-32 0.141 2 H2 3 Bottoming HSS STEAM OXIDE 20 $5.78 -
A53916 ACT 3-56 0.141 1-13/16 H2 3 Plug HSS Uncoated 15 $8.54 -
A58019 ACT M18 X 2.5 0.542 4-1/32 D7 4 Taper, Plug, Bottoming HSS TIN Call $128.05 -
A57968 ACT M14 X 1.5 0.429 3-19/32 D6 4 Plug HSS TIN 24 $44.49 -
A57845 ACT 1/4-28 0.255 2-1/2 H3 4 Taper HSS TIN 14 $10.02 -
A55879 ACT 1/2-13 16.141 1-7/24 H3 4 Hand Bottoming HSS Uncoated 46 $32.16 -
A55189 ACT 4-40 0.141 1-7/8 H2 2 Spiral Point Plug HSS ALTiN 33 $12.62 -
A54906 ACT M12 X 1.25 0.367 3-3/8 D5 4 Bottoming HSS Uncoated 23 $17.86 -
A54838 ACT 6-32 0.141 2 H7 1 Bottoming HSS TiN Call $9.87 -
A54214 Field Tool 5/16-24 0.318 2-23/32 H3 4 Plug HSS NIT/ST Call $4.21 -
A54097 ACT 10-32 0.194 2-3/8 H2 4 Taper, Plug, Bottoming HSS Uncoated 12 $16.79 -
A54004 ACT 6-40 0.141 2 H2 3 Taper HSS STEAM OXIDE 100 $5.78 -
A53917 ACT 3-56 0.141 1-13/16 H2 3 Bottoming HSS Uncoated 43 $8.54 -
A57991 ACT M14 X 1.5 0.429 3-19/32 D6 4 Bottoming HSS TIN 19 $44.49 -
A57869 ACT 1/4-28 0.255 2-1/2 H3 4 Plug HSS TIN 19 $10.02 -
A55915 ACT 6-40 0.141 2 H3 1 Plug HSS TiN 3 $19.01 -
A55880 ACT 1/2-20 0.367 3-3/8 H3 4 Hand Plug HSS Uncoated 47 $32.16 -
A54907 ACT M12 X 1.75 0.367 3-3/8 D6 4 Taper HSS Uncoated 100 $17.86 -
A54581 ACT 4-48 0.141 1-7/8 H1 2 Spiral Point Plug HSS Uncoated 14 $8.70 -
A54237 ACT 3/8-16 0.381 2-15/16 H3 4 Bottoming HSS NIT/ST 69 $8.87 -
A54110 ACT 10-32 0.194 2-3/8 H3 4 Taper, Plug, Bottoming HSS Uncoated 42 $16.79 -
A54007 ACT 6-40 0.141 2 H2 3 Plug HSS STEAM OXIDE 15 $5.78 -
A53945 Field Tool 4-36 0.141 1-7/8 H2 3 Taper HSS Uncoated Call $3.65 -
A57942 ACT M14 X 2.0 0.429 3-19/32 D7 4 Taper HSS TIN 11 $44.49 -
A57913 ACT 10-32 0.194 2-3/8 H3 4 Taper, Plug, Bottoming HSS TIN Call $14.91 -
A57893 ACT 1/4-28 0.255 2-1/2 H3 4 Bottoming HSS TIN 22 $10.02 -
A55881 ACT 1/2-20 17.141 1-7/25 H3 4 Hand Bottoming HSS Uncoated 16 $32.16 -
A54908 ACT M12 X 1.75 0.367 3-3/8 D6 4 Plug HSS Uncoated 100 $17.86 -
A54839 ACT 6-40 0.141 2 H3 1 Bottoming HSS TiN 6 $19.01 -
A54582 ACT 4-48 0.141 1-7/8 H2 2 Spiral Point Plug HSS Uncoated 37 $8.54 -
A54234 ACT 3/8-16 0.381 2-15/16 H3 4 Plug HSS NIT/ST 100 $8.87 -
A54010 ACT 6-40 0.141 2 H2 3 Bottoming HSS STEAM OXIDE 18 $5.78 -
A53947 ACT 4-36 0.141 1-7/8 H2 3 Plug HSS Uncoated 13 $6.68 -
A57969 ACT M14 X 2.0 0.429 3-19/32 D7 4 Plug HSS TIN 9 $44.49 -
A57846 ACT 5/16-18 0.318 2-23/32 H3 4 Taper HSS TIN 16 $12.29 -
A55916 ACT 6-40 0.141 2 H5 1 Plug HSS TiN Call $9.87 -
A54909 ACT M12 X 1.75 0.367 3-3/8 D6 4 Bottoming HSS Uncoated 21 $17.86 -
A54584 ACT 4-48 0.141 1-7/8 H2 2 Spiral Point Plug HSS STEAM OXIDE 67 $9.28 -
A54257 ACT 3/8-24 0.381 2-15/16 H3 4 Bottoming HSS NIT/ST 32 $8.87 -
A54123 ACT 12-24 0.22 2-3/8 H3 4 Taper, Plug, Bottoming HSS Uncoated 19 $16.79 -
A54032 ACT 8-32 0.168 2-1/8 H3 4 Taper HSS STEAM OXIDE 100 $5.74 -
A53950 Field Tool 4-36 0.141 1-7/8 H2 3 Bottoming HSS Uncoated Call $3.65 -
A57992 ACT M14 X 2.0 0.429 3-19/32 D7 4 Bottoming HSS TIN 19 $44.49 -
A57914 ACT 12-24 0.22 2-3/8 H3 4 Taper, Plug, Bottoming HSS TIN Call $15.73 -
A57870 ACT 5/16-18 0.318 2-23/32 H3 4 Plug HSS TIN 20 $12.29 -
A54910 ACT M14 X 1.5 0.429 3-19/32 D6 4 Taper HSS Uncoated 33 $26.47 -
A54840 ACT 6-40 0.141 2 H5 1 Bottoming HSS TiN Call $9.87 -
A54583 ACT 4-48 0.141 1-7/8 H2 2 Spiral Point Plug HSS NIT/ST 33 $9.49 -
A54254 ACT 3/8-24 0.381 2-15/16 H3 4 Plug HSS NIT/ST 88 $8.87 -
A54035 ACT 8-32 0.168 2-1/8 H3 4 Plug HSS STEAM OXIDE 100 $5.74 -
A53920 ACT 4-40 0.141 1-7/8 H1 3 Taper HSS Uncoated 70 $6.68 -
A57943 ACT M16 X 1.5 0.48 3-13/16 D6 4 Taper HSS TIN 5 $54.35 -
A57894 ACT 5/16-18 0.318 2-23/32 H3 4 Bottoming HSS TIN 30 $12.29 -
A55917 ACT 8-32 0.168 2-1/8 H3 1 Plug HSS TiN 15 $19.18 -
A54911 ACT M14 X 1.5 0.429 3-19/32 D6 4 Plug HSS Uncoated 81 $26.47 -
A54588 ACT 5-40 0.141 1-15/16 H1 2 Spiral Point Plug HSS Uncoated 56 $8.54 -
A54273 ACT 7/16-14 0.323 3-5/32 H3 4 Bottoming HSS NIT/ST 65 $15.26 -
A54133 ACT 12-28 0.22 2-3/8 H3 4 Taper, Plug, Bottoming HSS Uncoated 8 $17.98 -
A54038 ACT 8-32 0.168 2-1/8 H3 4 Bottoming HSS STEAM OXIDE 100 $5.74 -
A53926 ACT 4-40 0.141 1-7/8 H2 3 Taper HSS Uncoated 100 $6.27 -
A57970 ACT M16 X 1.5 0.48 3-13/16 D6 4 Plug HSS TIN 9 $54.35 -
A57915 ACT 12-28 0.22 2-3/8 H3 4 Taper, Plug, Bottoming HSS TIN Call $17.32 -
A57847 ACT 5/16-24 0.318 2-23/32 H3 4 Taper HSS TIN 6 $12.29 -
A54912 ACT M14 X 1.5 0.429 3-19/32 D6 4 Bottoming HSS Uncoated 63 $26.47 -
A54841 ACT 8-32 0.168 2-1/8 H3 1 Bottoming HSS TiN 23 $19.18 -
A54589 ACT 5-40 0.141 1-15/16 H2 2 Spiral Point Plug HSS Uncoated 100 $7.51 -
A54270 ACT 7/16-14 0.323 3-5/32 H3 4 Plug HSS NIT/ST 24 $15.26 -
A54046 ACT 8-36 0.168 2-1/8 H2 4 Taper HSS STEAM OXIDE 80 $5.94 -
A53919 ACT 4-40 0.141 1-7/8 H1 2 Plug HSS Uncoated 100 $6.89 -
A57993 ACT M16 X 1.5 0.48 3-13/16 D6 4 Bottoming HSS TIN 6 $54.35 -
A57871 ACT 5/16-24 0.318 2-23/32 H3 4 Plug HSS TIN 29 $12.29 -
A55918 ACT 8-32 0.168 2-1/8 H5 1 Plug HSS TiN 17 $19.18 -
A54913 ACT M14 X 2.0 0.429 3-19/32 D7 4 Taper HSS Uncoated 72 $26.47 -
A54591 ACT 5-40 0.141 1-15/16 H2 2 Spiral Point Plug HSS STEAM OXIDE 34 $8.21 -
A54289 ACT 7/16-20 0.323 3-5/32 H3 4 Bottoming HSS NIT/ST 34 $14.85 -
A54138 ACT 1/4-20 0.255 2-1/2 H1 4 Taper, Plug, Bottoming HSS Uncoated 23 $21.32 -
A54049 ACT 8-36 0.168 2-1/8 H2 4 Plug HSS STEAM OXIDE 100 $5.94 -
A53921 ACT 4-40 0.141 1-7/8 H1 3 Plug HSS Uncoated 100 $6.68 -
A57944 ACT M16 X 2.0 0.48 3-13/16 D7 4 Taper HSS TIN 11 $54.35 -
A57895 ACT 5/16-24 0.318 2-23/32 H3 4 Bottoming HSS TIN 23 $12.29 -
A54914 ACT M14 X 2.0 0.429 3-19/32 D7 4 Plug HSS Uncoated 60 $26.47 -
A54842 ACT 8-32 0.168 2-1/8 H5 1 Bottoming HSS TiN 17 $19.18 -
A54590 ACT 5-40 0.141 1-15/16 H2 2 Spiral Point Plug HSS NIT/ST 20 $8.46