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 A77600 ACT 2-11-1/2 1.8750 (1-7/8)" 4-1/2 nan 7 nan HSS NITRIDE & STEAM OXIDE Available to Order* $362.80 -
A77564 ACT 1-5/8-8 1.3050 6.6875" H6 6 Taper HSS Uncoated Available to Order* $344.38 -
A77565 ACT 1-5/8-8 1.3050 6.6875" H6 6 Plug HSS Uncoated Available to Order* $344.38 -
A77566 ACT 1-5/8-8 1.3050 6.6875" H6 6 Bottom HSS Uncoated Available to Order* $344.38 -
A77567 ACT 1-3/4-8 1.4300 7 H6 6 Taper HSS Uncoated Available to Order* $390.50 -
A77568 ACT 1-3/4-8 1.4300 7 H6 6 Plug HSS Uncoated Available to Order* $390.50 -
A77569 ACT 1-3/4-8 1.4300 7 H6 6 Bottom HSS Uncoated Available to Order* $390.50 -
A77570 ACT 1-7/8-8 1.5190 7.3125" H6 6 Plug HSS Uncoated Available to Order* $459.01 -
A58399 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPTF Dryseal - Interrupted HSS TIN 5 $290.97 -
A77571 ACT 1-7/8-8 1.5190 7.3125" H6 6 Bottom HSS Uncoated Available to Order* $459.01 -
A55044 ACT 2-11-1/2 1.875 4-1/2 7 NPTF Dryseal - Interrupted HSS Uncoated 5 $375.57 -
A58390 ACT 2-11-1/2 1.875 4-1/2 7 NPTF Dryseal HSS TIN 11 $258.43 -
A55012 ACT 1-1/4-11-1/2 1.3125 4 5 NPT - Interrupted HSS Uncoated 18 $261.20 -
A57655 ACT 1-1/4-11-1/2 1.3125 4 5 NPT - Interrupted HSS STEAM OXIDE 36 $273.85 -
A57656 ACT 1-1/4-11-1/2 1.3125 4 5 NPT - Interrupted HSS TIN 9 $277.24 -
A79040 ACT 7/8-9 0.6970 4-11/16 H4 4 Taper, Plug, Bottoming HSS Uncoated Available to Order* $266.79 -
A55013 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPT - Interrupted HSS Uncoated 17 $348.73 -
A79041 ACT 7/8-14 0.6970 4-11/16 H4 4 Taper, Plug, Bottoming HSS Uncoated Available to Order* $266.79 -
A57657 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPT - Interrupted HSS STEAM OXIDE 55 $374.91 -
A79059 ACT 7/8-9 0.6970 4-11/16 H4 4 Taper, Plug, Bottoming HSS TiN Available to Order* $311.40 -
A57658 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPT - Interrupted HSS TIN Available to Order* $289.12 -
A79060 ACT 7/8-14 0.6970 4-11/16 H4 4 Taper, Plug, Bottoming HSS TiN Available to Order* $311.40 -
A55014 ACT 2-11-1/2 1.875 4-1/2 7 NPT - Interrupted HSS Uncoated 11 $341.47 -
A79042 ACT 1-8 0.8000 5.1250 H4 4 Taper, Plug, Bottoming HSS Uncoated Available to Order* $329.28 -
A77572 ACT 2-8 1.6440 7-5/8 H6 6 Plug HSS Uncoated Available to Order* $484.25 -
A57659 ACT 2-11-1/2 1.875 4-1/2 7 NPT - Interrupted HSS STEAM OXIDE 10 $506.68 -
A57638 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPT HSS TIN 14 $257.82 -
A79043 ACT 1-14 0.8000 5.1250 H4 4 Taper, Plug, Bottoming HSS Uncoated Available to Order* $329.28 -
A77573 ACT 2-8 1.6440 7-5/8 H6 6 Bottom HSS Uncoated Available to Order* $484.25 -
A79061 ACT 1-14 0.8000 5.1250 H4 4 Taper, Plug, Bottoming HSS TiN Available to Order* $385.10 -
A54995 ACT 2-11-1/2 1.875 4-1/2 7 NPT HSS Uncoated 20 $309.60 -
A57640 ACT 2-11-1/2 1.875 4-1/2 7 NPT HSS TIN 9 $374.37 -
A57639 ACT 2-11-1/2 1.875 4-1/2 7 NPT HSS STEAM OXIDE 10 $323.50 -
A58020 ACT M20 X 2.5 0.652 4-15/32 D7 4 Taper, Plug, Bottoming HSS TIN Available to Order* $307.94 -
A58021 ACT M24 X 3.0 0.76 4-29/32 D8 4 Taper, Plug, Bottoming HSS TIN Available to Order* $451.18 -
A57952 ACT M36 X 4.0 1.233 6-1/16 D9 4 Taper HSS TIN 20 $259.67 -
A57979 ACT M36 X 4.0 1.233 6-1/16 D9 4 Plug HSS TIN 6 $259.67 -
A58002 ACT M36 X 4.0 1.233 6-1/16 D9 4 Bottoming HSS TIN 10 $259.67 -
A59459 ACT 1-8 0.8 5-1/8 H4 4 Taper, Plug, Bottoming HSS TIN Available to Order* $355.10
* Lead times can vary from 1–10 business days. Call (908) 98-ATLAS or email sales@atlascuttingtools.com for details.