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Special Thread Taps over 1-1/8

HSS Special Pitch Taps, 1-3/16 to 4 inch

High Speed Steel. Ground Thread.

The following larger sizes are usually available as well:
4-1/4"-8 or 12 tpi; 4-1/2"-8 or 12; 4-3/4"-8 or 12; 5"-8 or 12.
Please send us an email for price and availability of these sizes.

For sizes not listed or out-of-stock:
We can custom-make most special taps in 24-48 hours.
Price is dependent on quantity (6 taps, for example, may each cost 1/3 the price of a single custom tap).
Please email us with complete specifications and we will quote.

Follow this link to see the corresponding Dies for these Taps..

Follow this link to see all inch size special thread taps..

Follow this link to explore our complete offering of taps, dies, and other threading tools.

To determine the proper drill size for 75% thread on a special pitch tap use the following formula:
Drill Size = Major Diameter minus (.975 divided by the number of threads per inch).
For example, for a 1/4-32 tap, .250" - .0305 = .2195 (use 7/32" or #2 drill size).
Quantity Price Model Description Size Threads Per Inch

$73.70 TAST-1-3/16-7
1-3/16"-7 HSS Special Tap 1-3/16" 7

$73.70 TAST-1-3/16-8
1-3/16"-8 HSS Special Tap, 0307-0180 1-3/16" 8

$73.70 TAST-1-3/16-10
1-3/16"-10 HSS Special Tap, 0307-0185 1-3/16" 10

$73.70 TAST-1-3/16-12
1-3/16"-12 HSS Special Tap, 0307-0190 1-3/16" 12

$73.70 TAST-1-3/16-14
1-3/16"-14 HSS Special Tap, 0307-1815 1-3/16" 14

$73.70 TAST-1-3/16-16
1-3/16"-16 HSS Special Tap, 0307-0195 1-3/16" 16

$73.70 TAST-1-3/16-18
1-3/16"-18 HSS Special Tap - NEF, 0307-0198 1-3/16" 18

$73.70 TAST-1-3/16-20
1-3/16"-20 HSS Special Tap, 0307-0200 1-3/16" 20

$73.70 TAST-1-3/16-24
1-3/16"-24 HSS Special Tap, 0307-0202 1-3/16" 24

$73.70 TAST-1-3/16-27
1-3/16"-27 HSS Special Tap, 0307-0203 1-3/16" 27

$73.70 TAST-1-3/16-32
1-3/16"-32 HSS Special Tap, 0307-0204 1-3/16" 32

$71.40 TAST-1-1/4-8
1-1/4"-8 HSS Special Tap, 0307-0205 1-1/4" 8

$71.40 TAST-1-1/4-10
1-1/4"-10 HSS Special Tap, 0307-0206 1-1/4" 10

$71.40 TAST-1-1/4-14
1-1/4"-14 HSS Special Tap, 0307-0217 1-1/4" 14

$71.40 TAST-1-1/4-16
1-1/4"-16 HSS Special Tap, 0307-0215 1-1/4" 16

$71.40 TAST-1-1/4-18
1-1/4"-18 HSS Special Tap - NEF, 0307-0216 1-1/4" 18

$71.40 TAST-1-1/4-20
1-1/4"-20 HSS Special Tap, 0307-0218 1-1/4" 20

$71.40 TAST-1-1/4-24
1-1/4"-24 HSS Special Tap, 0307-0219 1-1/4" 24

$71.40 TAST-1-1/4-26
1-1/4"-26 HSS Special Tap, 0307-1835 1-1/4" 26

$71.40 TAST-1-1/4-27
1-1/4"-27 HSS Special Tap, 0307-1840 1-1/4" 27

$71.40 TAST-1-1/4-28
1-1/4"-28 HSS Special Tap, 0307-1845 1-1/4" 28

$71.40 TAST-1-1/4-32
1-1/4"-32 HSS Special Tap, 0307-1850 1-1/4" 32

$78.00 TAST-1-1/4-36
1-1/4"-36 HSS Special Tap 1-1/4" 36

$78.00 TAST-1-1/4-40
1-1/4"-40 HSS Special Tap, 0307-1855 1-1/4" 40

$90.70 TAST-1-5/16-6
1-5/16"-6 HSS Special Tap, 0307-1860 1-5/16" 6

$83.00 TAST-1-5/16-8
1-5/16"-8 HSS Special Tap, 0307-0220 1-5/16" 8

$83.00 TAST-1-5/16-12
1-5/16"-12 HSS Special Tap, 0307-0225 1-5/16" 12

$90.70 TAST-1-5/16-14
1-5/16"-14 HSS Special Tap, 0307-1875 1-5/16" 14

$90.70 TAST-1-5/16-16
1-5/16"-16 HSS Special Tap, 0307-0227 1-5/16" 16

$90.70 TAST-1-5/16-18
1-5/16"-18 HSS Special Tap - NEF, 0307-0229 1-5/16" 18

$90.70 TAST-1-5/16-20
1-5/16"-20 HSS Special Tap, 0307-1880 1-5/16" 20

$90.70 TAST-1-5/16-24
1-5/16"-24 HSS Special Tap, 0307-1885 1-5/16" 24

$90.70 TAST-1-5/16-32
1-5/16"-32 HSS Special Tap, 0307-1900 1-5/16" 32

$90.70 TAST-1-3/8-8
1-3/8"-8 HSS Special Tap, 0307-0230 1-3/8" 8

$90.70 TAST-1-3/8-10
1-3/8"-10 HSS Special Tap, 0307-0235 1-3/8" 10

$90.70 TAST-1-3/8-14
1-3/8"-14 HSS Special Tap, 0307-0238 1-3/8" 14

$90.70 TAST-1-3/8-16
1-3/8"-16 HSS Special Tap, 0307-0240 1-3/8" 16

$90.70 TAST-1-3/8-18
1-3/8"-18 HSS Special Tap - NEF, 0307-0241 1-3/8" 18

$90.70 TAST-1-3/8-20
1-3/8"-20 HSS Special Tap, 0307-0242 1-3/8" 20

$90.70 TAST-1-3/8-24
1-3/8"-24 HSS Special Tap, 0307-1915 1-3/8" 24

$106.00 TAST-1-3/8-27
1-3/8"-27 HSS Special Tap, 0307-1920 1-3/8" 27

$106.00 TAST-1-3/8-32
1-3/8"-32 HSS Special Tap, 0307-1930 1-3/8" 32

$104.90 TAST-1-7/16-8
1-7/16"-8 HSS Special Tap, 0307-1945 1-7/16" 8

$104.90 TAST-1-7/16-12
1-7/16"-12 HSS Special Tap, 0307-0243 1-7/16" 12

$115.00 TAST-1-7/16-14
1-7/16"-14 HSS Special Tap, 0307-1950 1-7/16" 14

$104.90 TAST-1-7/16-16
1-7/16"-16 HSS Special Tap, 0307-0244 1-7/16" 16

$104.90 TAST-1-7/16-18
1-7/16"-18 HSS Special Tap - NEF, 0307-0247 1-7/16" 18

$104.90 TAST-1-7/16-20
1-7/16"-20 HSS Special Tap, 0307-1955 1-7/16" 20

$115.00 TAST-1-7/16-24
1-7/16"-24 HSS Special Tap, 0307-1960 1-7/16" 24

$104.90 TAST-1-7/16-27
1-7/16"-27 HSS Special Tap, 0307-1965 1-7/16" 27

$103.90 TAST-1-1/2-8
1-1/2"-8 HSS Special Tap, 0307-0245 1-1/2" 8

$103.90 TAST-1-1/2-10
1-1/2"-10 HSS Special Tap, 0307-0250 1-1/2" 10

$103.90 TAST-1-1/2-14
1-1/2"-14 HSS Special Tap, 0307-1980 1-1/2" 14

$103.90 TAST-1-1/2-16
1-1/2"-16 HSS Special Tap, 0307-0251 1-1/2" 16

$103.90 TAST-1-1/2-18
1-1/2"-18 HSS Special Tap - NEF, 0307-0252 1-1/2" 18

$103.90 TAST-1-1/2-20
1-1/2"-20 HSS Special Tap, 0307-0253 1-1/2" 20

$103.90 TAST-1-1/2-24
1-1/2"-24 HSS Special Tap, 0307-1985 1-1/2" 24

$118.00 TAST-1-1/2-27
1-1/2"-27 HSS Special Tap 1-1/2" 27

$103.90 TAST-1-1/2-28
1-1/2"-28 HSS Special Tap, 0307-1990 1-1/2" 28

$103.90 TAST-1-1/2-32
1-1/2"-32 HSS Special Tap, 0307-1995 1-1/2" 32

$118.00 TAST-1-1/2-40
1-1/2"-40 HSS Special Tap, 0307-2000 1-1/2" 40

$122.40 TAST-1-9/16-8
1 9/16"-8 HSS Special Tap, 0307-2010 1-9/16" 8

$122.40 TAST-1-9/16-12
1 9/16"-12 HSS Special Tap, 0307-0256 1-9/16" 12

$122.40 TAST-1-9/16-16
1-9/16"-16 HSS Special Tap, 0307-2025 1-9/16" 16

$122.40 TAST-1-9/16-18
1 9/16"-18 HSS Special Tap, 0307-0258 1-9/16" 18

$122.40 TAST-1-9/16-20
1-9/16"-20 HSS Special Tap, 0307-0259 1-9/16" 20

$122.40 TAST-1-9/16-28
1-9/16"-28 HSS Special Tap 1-9/16" 28

$122.40 TAST-1-9/16-32
1-9/16"-32 HSS Special Tap, 0307-2035 1-9/16" 32

$119.60 TAST-1-5/8-5-1/2
1-5/8"-5-1/2" HSS Special Tap, 0307-0261 1-5/8" 5 1/2

$119.60 TAST-1-5/8-8
1-5/8"-8 HSS Special Tap, 0307-0260 1-5/8" 8

$119.60 TAST-1-5/8-10
1-5/8"-10 HSS Special Tap, 0307-0265 1-5/8" 10

$119.60 TAST-1-5/8-12
1-5/8"-12 HSS Special Tap, 0307-0270 1-5/8" 12

$119.60 TAST-1-5/8-14
1-5/8"-14 HSS Special Tap, 0307-0275 1-5/8" 14

$119.60 TAST-1-5/8-16
1-5/8"-16 HSS Special Tap, 0307-0277 1-5/8" 16

$119.60 TAST-1-5/8-18
1-5/8"-18 HSS Special Tap, 0307-0279 1-5/8" 18

$119.60 TAST-1-5/8-20
1-5/8"-20 HSS Special Tap, 0307-0280 1-5/8" 20

$129.00 TAST-1-5/8-24
1-5/8"-24 HSS Special Tap, 0307-2045 1-5/8" 24

$129.00 TAST-1-5/8-27
1-5/8"-27 HSS Special Tap 1-5/8" 27

$129.00 TAST-1-5/8-32
1-5/8"-32 HSS Special Tap, 0307-0283 1-5/8" 32

$118.50 TAST-1-11/16-12
1-11/16"-12 HSS Special Tap, 0307-0282 1-11/16" 12

$139.00 TAST-1-11/16-14
1-11/16"-14 HSS Special Tap 1-11/16" 14

$118.50 TAST-1-11/16-16
1-11/16"-16 HSS Special Tap, 0307-0284 1-11/16" 16

$118.50 TAST-1-11/16-18
1-11/16"-18 HSS Special Tap, 0307-2060 1-11/16" 18

$118.50 TAST-1-11/16-20
1-11/16"-20 HSS Special Tap, 0307-2065 1-11/16" 20

$139.00 TAST-1-11/16-32
1-11/16"-32 HSS Special Tap, 0307-2080 1-11/16" 32

$132.00 TAST-1-3/4-5
1-3/4"-5 HSS Special Tap, 0307-0285 1-3/4" 5

$132.00 TAST-1-3/4-6
1-3/4"-6 HSS Special Tap, 0307-0287 1-3/4" 6

$132.00 TAST-1-3/4-8
1-3/4"-8 HSS Special Tap, 0307-0290 1-3/4" 8

$132.00 TAST-1-3/4-10
1-3/4"-10 HSS Special Tap, 0307-0295 1-3/4" 10

$132.00 TAST-1-3/4-12
1-3/4"-12 HSS Special Tap, 0307-0300 1-3/4" 12

$132.00 TAST-1-3/4-14
1-3/4"-14 HSS Special Tap, 0307-0301 1-3/4" 14

$132.00 TAST-1-3/4-16
1-3/4"-16 HSS Special Tap, 0307-0302 1-3/4" 16

$132.00 TAST-1-3/4-18
1-3/4"-18 HSS Special Tap, 0307-0304 1-3/4" 18

$132.00 TAST-1-3/4-20
1-3/4"-20 HSS Special Tap, 0307-0306 1-3/4" 20

$132.00 TAST-1-3/4-24
1-3/4"-24 HSS Special Tap, 0307-0308 1-3/4" 24

$134.00 TAST-1-13/16-10
1-13/16"-10 HSS Special Tap, 0307-2115 1-13/16" 10

$134.00 TAST-1-13/16-12
1-13/16"-12 HSS Special Tap, 0307-2120 1-13/16" 12

$134.00 TAST-1-13/16-16
1-13/16"-16 HSS Special Tap, 0307-0311 1-13/16" 16

$134.00 TAST-1-13/16-18
1-13/16"-18 HSS Special Tap, 0307-0312 1-13/16" 18

$181.00 TAST-1-7/8-5
1-7/8"-5 HSS Special Tap, 0307-0310 1-7/8" 5

$181.00 TAST-1-7/8-8
1-7/8"-8 HSS Special Tap, 0307-0315 1-7/8" 8

$181.00 TAST-1-7/8-10
1-7/8"-10 HSS Special Tap, 0307-0320 1-7/8" 10

$136.00 TAST-1-7/8-12
1-7/8"-12 HSS Special Tap, 0307-0325 1-7/8" 12

$181.00 TAST-1-7/8-14
1-7/8"-14 HSS Special Tap, 0307-2140 1-7/8" 14

$181.00 TAST-1-7/8-16
1-7/8"-16 HSS Special Tap, 0307-0330 1-7/8" 16

$181.00 TAST-1-7/8-18
1-7/8"-18 HSS Special Tap, 0307-0335 1-7/8" 18

$181.00 TAST-1-7/8-20
1-7/8"-20 HSS Special Tap, 0307-0337 1-7/8" 20

$181.00 TAST-1-7/8-24
1-7/8"-24 HSS Special Tap, 0307-2145 1-7/8" 24

$181.00 TAST-1-15/16-8
1-15/16"-8 HSS Special Tap, 0307-2160 1-15/16" 8

$159.00 TAST-1-15/16-12
1-15/16"-12 HSS Special Tap, 0307-2170 1-15/16" 12

$159.00 TAST-1-15/16-16
1-15/16"-16 HSS Special Tap, 0307-0338 1-15/16" 16

$159.00 TAST-1-15/16-18
1-15/16"-18 HSS Special Tap, 0307-2180 1-15/16" 18

$181.00 TAST-1-15/16-20
1-15/16"-20 HSS Special Tap, 0307-2185 1-15/16" 20

$159.00 TAST-2-4-1/2
2"-4-1/2 HSS Special Tap, 0307-0340 2" 4 1/2

$159.00 TAST-2-6
2"-6 HSS Special Tap, 0307-2200 2" 6

$159.00 TAST-2-8
2"-8 HSS Special Tap, 0307-0345 2" 8

$159.00 TAST-2-10
2"-10 HSS Special Tap, 0307-0350 2" 10

$129.00 TAST-2-12
2"-12 HSS Special Tap, 0307-0355 2" 12

$139.00 TAST-2-14
2"-14 HSS Special Tap, 0307-2205 2" 14

$139.00 TAST-2-16
2"-16 HSS Special Tap, 0307-0362 2" 16

$139.00 TAST-2-18
2"-18 HSS Special Tap, 0307-2210 2" 18

$139.00 TAST-2-20
2"-20 HSS Special Tap, 0307-0364 2" 20

$159.00 TAST-2-1/16-12
2-1/16"-12 HSS Special Tap, 0307-2230 2-1/16" 12

$217.00 TAST-2-1/8-4-1/2
2-1/8"-4-1/2 HSS Special Tap, 0307-2240 2-1/8" 4-1/2

$217.00 TAST-2-1/8-8
2-1/8"-8 HSS Special Tap, 0307-0365 2-1/8" 8

$217.00 TAST-2-1/8-12
2-1/8"-12 HSS Special Tap, 0307-0370 2-1/8" 12

$217.00 TAST-2-1/8-16
2-1/8"-16 HSS Special Tap, 0307-2245 2-1/8" 16

$217.00 TAST-2-1/8-20
2-1/8"-20 HSS Special Tap, 0307-2255 2-1/8" 20

$217.00 TAST-2-1/8-32
2-1/8"-32 HSS Special Tap (limited quantity) 2-1/8" 32

$269.00 TAST-2-1/4-4-1/2
2-1/4"-4-1/2" HSS Special Tap, 0307-0380 2-1/4" 4 1/2

$269.00 TAST-2-1/4-8
2-1/4"-8 HSS Special Tap, 0307-0385 2-1/4" 8

$207.00 TAST-2-1/4-12
2-1/4"-12 HSS Special Tap, 0307-0390 2-1/4" 12

$207.00 TAST-2-1/4-16
2-1/4"-16 HSS Special Tap, 0307-0393 2-1/4" 16

$207.00 TAST-2-1/4-18
2-1/4"-18 HSS Special Tap, 0307-2270 2-1/4" 18

$321.00 TAST-2-1/4-20
2-1/4"-20 HSS Special Tap, 0307-2275 2-1/4" 20

$207.00 TAST-2-1/4-32
2-1/4"-32 HSS Special Tap (limited quantity) 2-1/4" 32

$215.00 TAST-2-5/16-14
2-5/16"-14 HSS Special Tap, 0307-2295 2-5/16" 14

$215.00 TAST-2-5/16-18
2-5/16"-18 HSS Special Tap, 0307-2305 2-5/16" 18

$242.00 TAST-2-3/8-8
2-3/8"-8 HSS Special Tap, 0307-0395 2-3/4" 8

$242.00 TAST-2-3/8-12
2-3/8"-12 HSS Special Tap, 0307-0400 2-3/4" 12

$210.00 TAST-2-3/8-16
2-3/8"-16 HSS Special Tap, 0307-2315 2-3/4" 16

$210.00 TAST-2-3/8-18
2-3/8"-18 HSS Special Tap, 0307-2320 2-3/4" 18
Out of stock
$210.00 TAST-2-7/16-16
2-7/16"-16 HSS Special Tap (limited quantity) 2-7/16" 16

$289.00 TAST-2-1/2-4
2-1/2"-4 HSS Special Tap, 0307-0410 2-1/2" 4

$289.00 TAST-2-1/2-8
2-1/2"-8 HSS Special Tap, 0307-0420 2-1/2" 8

$269.00 TAST-2-1/2-12
2-1/2"-12 HSS Special Tap, 0307-0423 2-1/2" 12

$269.00 TAST-2-1/2-14
2-1/2"-14 HSS Special Tap (limited quantity) 2-1/2" 14

$269.00 TAST-2-1/2-16
2-1/2"-16 HSS Special Tap, 0307-2340 2-1/2" 16

$269.00 TAST-2-1/2-24
2-1/2"-24 HSS Special Tap (limited quantity) 2-1/2" 24

$284.00 TAST-2-5/8-8
2-5/8"-8 HSS Special Tap, 0307-0424 2-5/16" 8

$284.00 TAST-2-5/8-12
2-5/8"-12 HSS Special Tap, 0307-0426 2-5/16" 12

$284.00 TAST-2-5/8-14
2-5/8"-14 HSS Special Tap (limited quantity) 2-5/16" 14

$284.00 TAST-2-5/8-16
2-5/8"-16 HSS Special Tap, 0307-2370 2-5/16" 16

$284.00 TAST-2-5/8-20
2-5/8"-20 HSS Special Tap, 0307-2380 2-5/16" 20

$269.00 TAST-2-11/16-16
2-11/16"-16 HSS Special Tap (limited quantity) 2-11/16" 16

$269.00 TAST-2-11/16-18
2-11/16"-18 HSS Special Tap (limited quantity) 2-11/16" 18

$322.00 TAST-2-3/4-3
2-3/4"-3 HSS Special Tap (limited quantity) 2-3/4" 3

$322.00 TAST-2-3/4-4
2-3/4"-4 HSS Special Tap, 0307-2385 2-3/4" 4
Out of stock
$322.00 TAST-2-3/4-6
2-3/4"-6 HSS Special Tap (limited quantity) 2-3/4" 6

$322.00 TAST-2-3/4-8
2-3/4"-8 HSS Special Tap, 0307-0425 2-3/4" 8

$295.00 TAST-2-3/4-12
2-3/4"-12 HSS Special Tap, 0307-0435 2-3/4" 12

$295.00 TAST-2-3/4-16
2-3/4"-16 HSS Special Tap, 0307-2390 2-3/4" 16

$324.00 TAST-2-7/8-8
2-7/8"-8 HSS Special Tap, 0307-2410 2-7/8" 8

$324.00 TAST-2-7/8-12
2-7/8"-12 HSS Special Tap, 0307-2415 2-7/8" 12

$419.00 TAST-2-7/8-16
2-7/8"-16 HSS Special Tap, 0307-2420 2-7/8" 16

$459.00 TAST-3-4
3"-4 HSS Special Tap, 0307-0439 3" 4

$459.00 TAST-3-8
3"-8 HSS Special Tap, 0307-0440 3" 8

$375.00 TAST-3-12
3"-12 HSS Special Tap, 0307-0445 3" 12

$375.00 TAST-3-16
3"-16 HSS Special Tap, 0307-2435 3" 16

$375.00 TAST-3-18
3"-18 HSS Special Tap, 0307-2440 3" 18

$529.00 TAST-3-1/8-8
3-1/8"-8 HSS Special Tap, 0307-2455 3-1/8" 8

$429.00 TAST-3-1/8-12
3-1/8"-12 HSS Special Tap, 0307-2460 3-1/8" 12

$520.00 TAST-3-3/16-12
3-3/16"-12 HSS Special Tap (limited quantity) 3-3/16" 12

$690.00 TAST-3-1/4-4
3-1/4"-4 HSS Special Tap, 0307-2480 3-1/4" 4

$508.00 TAST-3-1/4-8
3-1/4"-8 HSS Special Tap, 0307-2485 3-1/4" 8

$520.00 TAST-3-1/4-12
3-1/4"-12 HSS Special Tap, 0307-2490 3-1/4" 12

$480.00 TAST-3-3/8-8
3-3/8"-8 HSS Special Tap, 0307-2515 3-3/8" 8

$480.00 TAST-3-3/8-12
3-3/8"-12 HSS Special Tap, 0307-2520 3-3/8" 12

$690.00 TAST-3-1/2-4
3-1/2"-4 HSS Special Tap, 0307-2530 3-1/2" 4

$690.00 TAST-3-1/2-8
3-1/2"-8 HSS Special Tap, 0307-0450 3-1/2" 8

$495.00 TAST-3-1/2-12
3-1/2"-12 HSS Special Tap, 0307-0455 3-1/2" 12

$690.00 TAST-3-3/4-4
3-3/4"-4 HSS Special Tap, 0307-2560 3-3/4" 4

$730.00 TAST-3-3/4-8
3-3/4"-8 HSS Special Tap, 0307-2565 3-3/4" 8

$590.00 TAST-3-3/4-12
3-3/4"-12 HSS Special Tap, 0307-2570 3-3/4" 12

$880.00 TAST-4-4
4"-4 HSS Special Tap, 0307-2600 4" 4

$880.00 TAST-4-8
4"-8 HSS Special Tap, 0307-0460 4" 8

$590.00 TAST-4-12
4"-12 HSS Special Tap, 0307-0465 4" 12