Taps


NC | NF | NEF
8, 12 & 14 TPI series

pipe sizes: NPT, NPS



National Coarse


NC

Size
Number
Or Inch

Pitch
TPI
No 1
No 2
No 3

No 4
No 5
No 6

No 8
No 10
No 12

1/4
5/16
3/8

7/16
1/2
9/16

5/8
3/4
7/8

1
1-1/8
1-1/4

1-3/8
1-1/2
1-3/4

2
2-1/4
2-1/2		 64
56
48

40
40
32

32
24
24

20
18
16

14
13
12

11
10
9

8
7
7

6
6
5

4.5
4.5
4

when ordering taps please specify the diameter and pitch and style of tap

example

TAP1/4-20.1 for 1/4-20 taper tap
TAP1/4-20.2 for 1/4-20 plug tap
TAP1/4-20.3 for 1/4-20 bottoming tap
TAP1/4-20SP for 1/4-20 spiral pointed tap
TAP1/4-20QS for 1/4-20 quick spiral tap
TAP1/4-20NUT for 1/4-20 nut tap

 



National Fine


NF

Size
Number
Or Inch

Pitch
TPI
No 0
No 1
No 2

No 3
No 4
No 5

No 6
No 8
No 10

No 12
1/4
5/16

3/8
7/16
1/2

9/16
5/8
3/4

7/8
1
1-1/8

1-1/4
1-3/8
1-1/2		 80
72
64

56
48
44

40
36
32

28
28
24

24
20
20

18
18
16

14
12
12

12
12
12

when ordering taps please specify the diameter and pitch and style of tap

example

TAP1/4-28.1 for 1/4-28 taper tap
TAP1/4-28.2 for 1/4-28 plug tap
TAP1/4-28.3 for 1/4-28 bottoming tap
TAP1/4-28SP for 1/4-28 spiral pointed tap
TAP1/4-28QS for 1/4-28 quick spiral tap
TAP1/4-28NUT for 1/4-28 nut tap




National Extra Fine
NEF

Size
Number
Or Inch

Pitch
TPI
1/4
5/16
3/8

1/2
5/8
3/4

7/8
1
1-1/8

1-3/8		 32
32
32

28
24
20

20
20
18

18

when ordering taps please specify the diameter and pitch and style of tap

example

TAP1/4-32.1 for 1/4-32 taper tap
TAP1/4-32.2 for 1/4-32 plug tap
TAP1/4-32.3 for 1/4-32 bottoming tap




8 12 And 14 TPI Series



8,12 & 14 TPI series

Size
Number
Or Inch

Pitch
TPI
(8 TPI Thread Series)
1-1/8
1-1/4
1-3/8

1-1/2
1-5/8
1-3/4

1-7/8
2
2-1/4

2-1/2		 8
8
8

8
8
8

8
8
8

8
(12 TPI Thread Series)
1-1/16
1-3/16
1-5/16

1-5/8
1-3/4
1-7/8

2
2-1/4
2-1/2		 12
12
12

12
12
12

12
12
12
(14 TPI Thread Series)
1 14

when ordering taps please specify the diameter and pitch and style of tap

example

TAP1-14.1 for 1-14 taper tap
TAP1-14.2 for 1-14 plug tap
TAP1-14.3 for 1-14 bottoming tap


National Pipe Straight Taps

NPS

National Pipe Straight

Size
Number

Pitch
TPI
1/8
1/4
3/8

1/2
3/4
1

1-1/4
1-1/2
2		 27
18
18

14
14
11-1/2

11-1/2
11-1/2
11-1/2

when ordering taps please specify the diameter and pitch and style of tap

example

TAP1/4NPS for1/4 NPS tap



National Pipe Taper Taps

NPT

National Pipe Taper

Size
Number

Pitch
TPI
1/16
1/8
1/4

3/8
1/2
3/4

1
1-1/4
1-1/2

2		 27
27
18

18
14
14

11-1/2
11-1/2
11-1/2

11-1/2

when ordering taps please specify the diameter and pitch and style of tap

example

TAP1/4NPT for1/4 NPT tap

link to tap and die index page

servicing the Canadian provinces of Newfoundland, Nova Scotia, New Brunswick, Prince Edward Island, Quebec, Ontario, Manitoba, Saskatchewan, Alberta ,British Columbia and the states of Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin,Wyoming We can ship via UPS to Afghanistan , Aland Islands , Albania , Algeria , American Samoa , Andorra , Angola , Anguilla , Antigua & Barbuda , Argentina , Armenia , Aruba , Australia , Austria , Azerbaijan , Azores , Bahamas , Bahrain , Bangladesh , Barbados , Belarus , Belgium , Belize , Benin , Bermuda , Bhutan , Bolivia , Bonaire , Bosnia , Botswana , Brazil , British Virgin Isles , Brunei , Bulgaria , Burkina Faso , Burundi , Cambodia , Cameroon , Canada , Canary Islands , Cape Verde , Cayman Islands , Central African Republic , Chad , Chile , China , Colombia , Comoros , Congo , Cook Islands , Costa Rica , Croatia , Curacao , Cyprus , Czech Republic , Democratic Republic of Congo , Denmark , Djibouti , Dominica , Dominican Republic , Ecuador , Egypt , El Salvador , England , Equatorial Guinea , Eritrea , Estonia , Ethiopia , Faeroe Islands , Fiji , Finland , France , French Guiana , French Polynesia , Gabon , Gambia , Georgia , Germany , Ghana , Gibraltar , Greece , Greenland , Grenada , Guadeloupe , Guam , Guatemala , Guernsey , Guinea , Guinea-Bissau , Guyana , Haiti , Holland , Honduras , Hong Kong , Hungary , Iceland , India , Indonesia , Iraq , Ireland , Israel , Italy , Ivory Coast , Jamaica , Japan , Jersey , Jordan , Kazakhstan , Kenya , Kiribati , Kosrae , Kuwait , Kyrgyzstan , Laos , Latvia , Lebanon , Lesotho , Liberia , Libya , Liechtenstein , Lithuania , Luxembourg , Macau , Macedonia (Fyrom) , Madagascar , Madeira , Malawi , Malaysia , Maldives , Mali , Malta , Marshall Islands , Martinique , Mauritania , Mauritius , Mayotte , Mexico , Micronesia , Moldova , Monaco , Mongolia , Montenegro , Montserrat , Morocco , Mozambique , N. Mariana Islands , Namibia , Nepal , Netherlands , Netherlands Antilles , New Caledonia , New Zealand , Nicaragua , Niger , Nigeria , Norfolk Island , Northern Ireland , Norway , Oman , Pakistan , Palau , Panama , Papua New Guinea , Paraguay , Peru , Philippines , Poland , Ponape , Portugal , Puerto Rico , Qatar , Reunion , Romania , Rota , Russia , Rwanda , Saba , Saipan , San Marino , Saudi Arabia , Scotland , Senegal , Serbia , Seychelles , Sierra Leone , Singapore , Slovakia , Slovenia , Solomon Islands , South Africa , South Korea , Spain , Sri Lanka , St. Barthelemy , St. Christopher , St. Croix , St. Eustatius , St. John , St. Kitts & Nevis , St. Lucia , St. Maarten , St. Martin , St. Thomas , St. Vincent/Grenadines , Suriname , Swaziland , Sweden , Switzerland , Syria , Tahiti , Taiwan , Tajikistan , Tanzania , Thailand , Timor Leste , Tinian , Togo , Tonga , Tortola , Trinidad & Tobago , Truk , Tunisia , Turkey , Turkmenistan , Turks & Caicos Islands , Tuvalu , Uganda , Ukraine , Union Island , United Arab Emirates , United Kingdom , United States , Uruguay, US Virgin Islands , Uzbekistan , Vanatu , Vatican City State , Venezuela , Vietnam , Virgin Gorda , Wales , Wallia & Futuna Islands , Western Samoa , Yap , Yemen , Zambia , Zimbabwe