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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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 Sku Price Quantity 12-28 0.22 2-3/8 H3 4 Plug HSS TIN 3 $10.60 -
2-11-1/2 1.875 4-1/2 7 NPT - Interrupted HSS STEAM OXIDE 10 $506.68 -
1-1/2-11-1/2 1.5 4-1/4 7 NPT HSS TIN 14 $257.82 -
6-32 0.141 2 H3 1 Plug HSS TiN 5 $19.01 -
7/16-14 0.323 3-5/32 H3 4 Hand Plug HSS Uncoated 20 $28.58 -
3/4-10 0.59 4-1/4 H3 4 High Spiral HSS Uncoated 23 $133.14 -
M18 X 2.5 0.542 4-1/32 D7 3 Spiral Point Plug HSS Uncoated 19 $51.83 -
M16 X 2.0 0.48 3-13/16 D7 4 Taper, Plug, Bottoming HSS Uncoated 3 $96.98 -
M10 X 1.5 0.381 2-15/16 D6 4 Taper HSS Uncoated 100 $15.10 -
4-40 0.141 1-7/8 H1 2 Spiral Point Plug HSS Uncoated 20 $8.54 -
1/4-28 0.255 2-1/2 H3 4 Bottoming HSS NIT/ST 13 $6.35 -
10-24 0.194 2-3/8 H1 4 Taper, Plug, Bottoming HSS Uncoated 11 $16.79 -
5-44 0.141 1-15/16 H2 3 Plug HSS STEAM OXIDE Call $4.22 -
3-48 0.141 1-13/16 H2 3 Plug HSS Uncoated 41 $7.67 -
M16 X 2.0 0.48 3-13/16 D7 4 Taper, Plug, Bottoming HSS TIN Call $95.10 -
M12 X 1.75 0.367 3-3/8 D6 4 Taper HSS TIN 12 $29.77 -
12-28 0.22 2-3/8 H3 4 Bottoming HSS TIN 21 $10.60 -
2-11-1/2 1.875 4-1/2 7 NPT - Interrupted HSS TIN Call $436.83 -
1-1/2-11-1/2 1.5 4-1/4 7 NPT HSS STEAM OXIDE 100 $243.55 -
M18 X 2.5 0.542 4-1/32 D7 3 Spiral Point Plug HSS TIN Call $60.20 -
7/16-14 14.141 1-7/22 H3 4 Hand Bottoming HSS Uncoated 53 $28.58 -
3/4-16 0.59 4-1/4 H3 4 High Spiral HSS Uncoated 21 $133.14 -
M10 X 1.5 0.381 2-15/16 D6 4 Plug HSS Uncoated 100 $15.10 -
6-32 0.141 2 H3 1 Bottoming HSS TiN 51 $19.01 -
4-40 0.141 1-7/8 H2 2 Spiral Point Plug HSS Uncoated 100 $7.51 -
1/4-28 0.255 2-1/2 H3 4 Plug HSS NIT/ST 31 $6.35 -
10-24 0.194 2-3/8 H2 4 Taper, Plug, Bottoming HSS Uncoated 3 $16.79 -
5-44 0.141 1-15/16 H2 3 Bottoming HSS STEAM OXIDE Call $4.22 -
3-48 0.141 1-13/16 H2 2 Bottoming HSS Uncoated Call $4.70 -
M12 X 1.75 0.367 3-3/8 D6 4 Plug HSS TIN 24 $29.77 -
1/4-20 0.255 2-1/2 H3 4 Taper HSS TIN 38 $10.02 -
6-32 0.141 2 H5 1 Plug HSS TiN 20 $19.01 -
7/16-20 0.323 3-5/32 H3 4 Hand Plug HSS Uncoated 49 $28.58 -
2-11-1/2 1.875 4-1/2 7 NPT HSS Uncoated 17 $309.60 -
M20 X 2.5 0.652 4-15/32 D7 4 Spiral Point Plug HSS Uncoated 82 $68.41 -
M18 X 1.5 0.542 4-1/32 D6 4 Taper, Plug, Bottoming HSS Uncoated 12 $131.03 -
M10 X 1.5 0.381 2-15/16 D6 4 Bottoming HSS Uncoated 100 $15.10 -
4-40 0.141 1-7/8 H2 2 Spiral Point Plug HSS STEAM OXIDE 100 $8.21 -
5/16-18 0.318 2-23/32 H3 4 Bottoming HSS NIT/ST 32 $7.80 -
10-24 0.194 2-3/8 H3 4 Taper, Plug, Bottoming HSS Uncoated 42 $16.79 -
6-32 0.141 2 H2 3 Taper HSS STEAM OXIDE 37 $5.78 -
3-48 0.141 1-13/16 H2 3 Bottoming HSS Uncoated 78 $7.67 -
M18 X 1.5 0.542 4-1/32 D6 4 Taper, Plug, Bottoming HSS TIN Call $128.05 -
M12 X 1.75 0.367 3-3/8 D6 4 Bottoming HSS TIN 27 $29.77 -
10-24 0.194 2-3/8 H3 4 Taper, Plug, Bottoming HSS TIN Call $14.91 -
1/4-20 0.255 2-1/2 H3 4 Plug HSS TIN 22 $10.02 -
2-11-1/2 1.875 4-1/2 7 NPT HSS TIN 9 $374.37 -
M20 X 2.5 0.652 4-15/32 D7 4 Spiral Point Plug HSS TIN 26 $88.07 -
7/16-20 15.141 1-7/23 H3 4 Hand Bottoming HSS Uncoated 24 $28.58 -
M12 X 1.25 0.367 3-3/8 D5 4 Taper HSS Uncoated 47 $17.86 -
6-32 0.141 2 H5 1 Bottoming HSS TiN 27 $19.01 -
4-40 0.141 1-7/8 H2 2 Spiral Point Plug HSS NIT/ST 79 $8.46 -
5/16-18 0.318 2-23/32 H3 4 Plug HSS NIT/ST 32 $7.80 -
6-32 0.141 2 H2 3 Plug HSS STEAM OXIDE 100 $5.78 -
3-56 0.141 1-13/16 H2 3 Taper HSS Uncoated 59 $8.54 -
M14 X 1.5 0.429 3-19/32 D6 4 Taper HSS TIN 17 $44.49 -
1/4-20 0.255 2-1/2 H3 4 Bottoming HSS TIN 100 $10.02 -
2-11-1/2 1.875 4-1/2 7 NPT HSS STEAM OXIDE 10 $323.50 -
6-32 0.141 2 H7 1 Plug HSS TiN Call $9.87 -
1/2-13 0.367 3-3/8 H3 4 Hand Plug HSS Uncoated 22 $32.16 -
4-40 0.141 1-7/8 H2 2 Spiral Point Plug HSS TIN 16 $11.88 -
M18 X 2.5 0.542 4-1/32 D7 4 Taper, Plug, Bottoming HSS Uncoated 4 $131.03 -
M12 X 1.25 0.367 3-3/8 D5 4 Plug HSS Uncoated 47 $17.86 -
5/16-24 0.318 2-23/32 H3 4 Bottoming HSS NIT/ST Call $4.21 -
10-32 0.194 2-3/8 H1 4 Taper, Plug, Bottoming HSS Uncoated 23 $16.79 -
6-32 0.141 2 H2 3 Bottoming HSS STEAM OXIDE 20 $5.78 -
3-56 0.141 1-13/16 H2 3 Plug HSS Uncoated 15 $8.54 -
M18 X 2.5 0.542 4-1/32 D7 4 Taper, Plug, Bottoming HSS TIN Call $128.05 -
M14 X 1.5 0.429 3-19/32 D6 4 Plug HSS TIN 24 $44.49 -
1/4-28 0.255 2-1/2 H3 4 Taper HSS TIN 14 $10.02 -
1/2-13 16.141 1-7/24 H3 4 Hand Bottoming HSS Uncoated 46 $32.16 -
4-40 0.141 1-7/8 H2 2 Spiral Point Plug HSS ALTiN 33 $12.62 -
M12 X 1.25 0.367 3-3/8 D5 4 Bottoming HSS Uncoated 23 $17.86 -
6-32 0.141 2 H7 1 Bottoming HSS TiN Call $9.87 -
5/16-24 0.318 2-23/32 H3 4 Plug HSS NIT/ST Call $4.21 -
10-32 0.194 2-3/8 H2 4 Taper, Plug, Bottoming HSS Uncoated 12 $16.79 -
6-40 0.141 2 H2 3 Taper HSS STEAM OXIDE 100 $5.78 -
3-56 0.141 1-13/16 H2 3 Bottoming HSS Uncoated 43 $8.54 -
M14 X 1.5 0.429 3-19/32 D6 4 Bottoming HSS TIN 19 $44.49 -
1/4-28 0.255 2-1/2 H3 4 Plug HSS TIN 19 $10.02 -
6-40 0.141 2 H3 1 Plug HSS TiN 3 $19.01 -
1/2-20 0.367 3-3/8 H3 4 Hand Plug HSS Uncoated 47 $32.16 -
M20 X 2.5 0.652 4-15/32 D7 4 Taper, Plug, Bottoming HSS Uncoated 2 $169.17 -
M12 X 1.75 0.367 3-3/8 D6 4 Taper HSS Uncoated 100 $17.86 -
4-48 0.141 1-7/8 H1 2 Spiral Point Plug HSS Uncoated 14 $8.70 -
3/8-16 0.381 2-15/16 H3 4 Bottoming HSS NIT/ST 69 $8.87 -
10-32 0.194 2-3/8 H3 4 Taper, Plug, Bottoming HSS Uncoated 42 $16.79 -
6-40 0.141 2 H2 3 Plug HSS STEAM OXIDE 15 $5.78 -
4-36 0.141 1-7/8 H2 3 Taper HSS Uncoated Call $3.65 -
M20 X 2.5 0.652 4-15/32 D7 4 Taper, Plug, Bottoming HSS TIN Call $165.64 -
M14 X 2.0 0.429 3-19/32 D7 4 Taper HSS TIN 11 $44.49 -
10-32 0.194 2-3/8 H3 4 Taper, Plug, Bottoming HSS TIN Call $14.91 -
1/4-28 0.255 2-1/2 H3 4 Bottoming HSS TIN 22 $10.02 -
1/2-20 17.141 1-7/25 H3 4 Hand Bottoming HSS Uncoated 16 $32.16 -
M12 X 1.75 0.367 3-3/8 D6 4 Plug HSS Uncoated 100 $17.86 -
6-40 0.141 2 H3 1 Bottoming HSS TiN 6 $19.01 -
4-48 0.141 1-7/8 H2 2 Spiral Point Plug HSS Uncoated 37 $8.54 -
3/8-16 0.381 2-15/16 H3 4 Plug HSS NIT/ST 100 $8.87 -
6-40 0.141 2 H2 3 Bottoming HSS STEAM OXIDE 18 $5.78 -
4-36 0.141 1-7/8 H2 3 Plug HSS Uncoated 13 $6.68