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 A55043 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPTF Dryseal - Interrupted HSS Uncoated 9 $292.61 -
A58399 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPTF Dryseal - Interrupted HSS TIN 5 $290.97 -
A55044 ACT 2-11-1/2 1.875 4-1/2 7 NPTF Dryseal - Interrupted HSS Uncoated 5 $375.57 -
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 -
A55013 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPT - Interrupted HSS Uncoated 17 $348.73 -
A57657 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPT - Interrupted HSS STEAM OXIDE 55 $374.91 -
A57658 ACT 1-1/2-11-1/2 1.5 4-1/4 7 NPT - Interrupted HSS TIN Call $289.12 -
A55014 ACT 2-11-1/2 1.875 4-1/2 7 NPT - Interrupted HSS Uncoated 11 $341.47 -
A54995 ACT 2-11-1/2 1.875 4-1/2 7 NPT HSS Uncoated 17 $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 -
A54966 ACT M30 X 3.5 1.021 5-7/16 D9 4 Taper, Plug, Bottoming HSS Uncoated Call $296.88 -
A54967 ACT M33 X 3.5 1.108 5-3/4 D9 4 Taper, Plug, Bottoming HSS Uncoated Call $296.11 -
A54968 ACT M36 X 4.0 1.233 6-1/16 D9 4 Taper, Plug, Bottoming HSS Uncoated Call $375.53 -
A54522 ACT 1-3/8-6 1.108 6-1/16 H4 4 Taper, Plug, Bottoming HSS Uncoated Call $308.65 -
A54531 ACT 1-3/8-12 1.108 6-1/16 H4 6 Taper, Plug, Bottoming HSS Uncoated Call $310.83 -
A54540 ACT 1-1/2-6 1.233 6-3/8 H4 4 Taper, Plug, Bottoming HSS Uncoated Call $356.44 -
A54549 ACT 1-1/2-12 1.233 6-3/8 H4 6 Taper, Plug, Bottoming HSS Uncoated Call $362.98