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NPT/ NPTF Thread Mills

npt thread mill

NPT thread mills come in straight, helical and staggered tooth design.

They will cut both internal and external threads. NPTF are for dryseal applications.

 

 
 

STRAIGHT FLUTE

SOLID CARBIDE NPT (NATIONAL PIPE TAPER)

npt thread mill straight flute

  • Made with premium submicron grade carbide

  • AlTiN+ coated for higher cutting speed

 

STRAIGHT FLUTE - NPT
THREAD DIA. / PITCH “A” TOOL DIA. “B” LENGTH OF CUT “Q” LENGTH “S” SHANK DIA. OAL FLUTES ORDER # EDP #
UNCOATED AlTiN+ UNCOATED AlTiN+
INTERNAL OR EXTERNAL THREADS
1/16, 1/8-27 0.218 0.534 0.018 0.2500 2.50 4 TM218-27NPT TM218-27NPT-A 101001 101013
1/8-27 0.280 0.758 0.018 0.3750 3.50 4 TM280-27NPT TM280-27NPT-A 101019 101043
1/4, 3/8-18 0.330 0.693 0.027 0.3750 3.50 4 TM330-18NPT TM330-18NPT-A 101025 101049
1/4, 3/8-18 0.382 0.800 0.027 0.4375 3.50 4 TM382-18NPT TM382-18NPT-A 101055 101067
1/2, 3/4-14 0.430 1.105 0.035 0.5000 3.50 4 TM430-14NPT TM430-14NPT-A 101073 101085
1 to 2-11½ 0.650 1.605 0.043 0.7500 4.00 5 TM650-11.5NPT TM650-11.5NPT-A 101091 101109
2½ up-8 0.650 1.560 0.062 0.7500 4.00 5 TM650-8NPT TM650-8NPT-A 101097 101115

For increased performance, use with tapered pipe reamer

all dimensions are in inches

 

straight flute thread mill with coolant

  • Coolant to each flute

  • Cuts internal or external threads

 

COOLANT THROUGH STRAIGHT FLUTE - NPT
MIN IN THREAD/ PITCH "A" TOOL DIA. "B" LENGTH OF CUT “Q” LENGTH "S" SHANK DIA. OAL FLUTES ORDER # EDP #
UNCOATED AlTiN+ UNCOATED AlTiN+
INTERNAL OR EXTERNAL THREADS
1/16, 1/8-27 0.218 0.534 0.018 0.250 2.50 3 TMC218-27NPT TMC218-27NPT-A 101151 101154
1/4, 3/8-18 0.330 0.693 0.027 0.375 3.50 4 TMC330-18NPT TMC330-18NPT-A 101157 101160
1/2, 3/4-14 0.430 1.105 0.035 0.500 3.50 4 TMC430-14NPT TMC430-14NPT-A 101163 101166
1 to 2-11½ 0.550 1.172 0.043 0.625 3.50 6 TMC550-11.5NPT TMC550-11.5NPT-A 101169 101172

 

all dimensions are in inches

STRAIGHT FLUTE - DRYSEAL - NPTF

npt thread mill straight flute

  • AlTiN+ coating for improved surface finish

  • Polished flute face for optimum performance

 

STRAIGHT FLUTE - DRYSEAL - NPTF
THREAD DIA. / PITCH “A” TOOL DIA. “B” LENGTH OF CUT “Q” LENGTH “S” SHANK DIA. OAL FLUTES ORDER # EDP #
UNCOATED AlTiN+ UNCOATED AlTiN+
INTERNAL OR EXTERNAL THREADS
1/16, 1/8-27 0.218 0.534 0.018 0.250 2.50 4 TM218-27NPTF TM218-27NPTF-A 101004 101016
1/8-27 0.280 0.758 0.018 0.375 3.50 4 TM280-27NPTF TM280-27NPTF-A 101022 101046
1/4, 3/8-18 0.330 0.693 0.027 0.375 3.50 4 TM330-18NPTF TM330-18NPTF-A 101028 101052
1/4, 3/8-18 0.382 0.800 0.027 0.4375 3.50 4 TM382-18NPTF TM382-18NPTF-A 101058 101070
1/2, 3/4-14 0.430 1.105 0.035 0.500 3.50 4 TM430-14NPTF TM430-14NPTF-A 101076 101088
1 to 2-11½ 0.650 1.605 0.043 0.750 4.00 5 TM650-11.5NPTF TM650-11.5NPTF-A 101094 101112
2½ up-8 0.650 1.560 0.062 0.750 4.00 5 TM650-8NPTF TM650-8NPTF-A 101100 101121

all dimensions are in inches

 

 

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Staggered Tooth

theread mill staggered tooth

  • Staggered tooth design reduces tool pressure

  • AlTiN+ coating extends tool life

 

STRAIGHT FLUTE - STAGGERED TOOTH - NPT
THREAD DIA. / PITCH “A” TOOL DIA. “B” LENGTH OF CUT “Q” LENGTH “S” SHANK DIA. OAL FLUTES ORDER # EDP #
UNCOATED AlTiN+ UNCOATED AlTiN+
INTERNAL OR EXTERNAL THREADS
1/16, 1/8-27 0.220 0.534 0.019 0.250 2.50 4 TM220-27NPT TM220-27NPT-A 101181 101193
1/8-27 0.275 0.758 0.019 0.375 3.50 4 TM275-27NPT TM275-27NPT-A 101199 101223
1/4, 3/8-18 0.335 0.693 0.028 0.375 3.50 4 TM335-18NPT TM335-18NPT-A 101205 101229
1/4, 3/8-18 0.387 0.805 0.028 0.4375 3.50 4 TM387-18NPT TM387-18NPT-A 101235 101247
1/2, 3/4-14 0.435 1.034 0.036 0.500 3.50 4
TM435-14NPT
TM435-14NPT-A 101253 101265
1/2, 3/4-14 0.440 1.034 0.036 0.750 6.00 4 blue diamondTM440-14NPT blue diamondTM440-14NPT-A blue diamond101271 blue diamond101283
1¼ to 2-11½ 1.000 1.742 0.044 1.000 6.00 6
blue triangleTM1.0-11.5NPT
blue triangleTM1.0-11.5NPT-A
blue triangle101289
blue triangle101301

all dimensions are in inches

blue diamond  Tool is steel shank with a solid carbide head

blue triangle Tool is carbide tipped with coolant hole to each flute

theread mill staggered tooth

 

STRAIGHT FLUTE - STAGGERED TOOTH- DRYSEAL - NPTF
THREAD DIA. / PITCH “A” TOOL DIA. “B” LENGTH OF CUT “Q” LENGTH “S” SHANK DIA. OAL FLUTES ORDER # EDP #
UNCOATED AlTiN+ UNCOATED AlTiN+
INTERNAL OR EXTERNAL THREADS
1/16, 1/8-27 0.220 0.534 0.019 0.250 2.50 4 TM220-27NPTF TM220-27NPTF-A 101184 101196
1/8-27 0.275 0.758 0.019 0.375 3.50 4 TM275-27NPTF TM275-27NPTF-A 101202 101226
1/4, 3/8-18 0.335 0.693 0.028 0.375 3.50 4 TM335-18NPTF TM335-18NPTF-A 101208 101232
1/4, 3/8-18 0.387 0.805 0.028 0.4375 3.50 4 TM387-18NPTF TM387-18NPTF-A 101238 101250
1/2, 3/4-14 0.435 1.034 0.036 0.500 3.50 4 TM435-14NPTF TM435-14NPTF-A 101256 101268
1/2, 3/4-14 0.440 1.034 0.036 0.750 6.00 4 blue diamondTM440-14NPTF blue diamondTM440-14NPTF-A blue diamond101274 blue diamond101286
1¼ to 2-11½ 1.000 1.700 0.044 1.00 6.00 6 blue triangleTM1.0-11.5NPTF blue triangleTM1.0-11.5NPTF-A blue triangle101292 blue triangle101304

blue diamond  Tool is steel shank with a solid carbide head

blue triangle Tool is carbide tipped with coolant hole to each flute

 

all dimensions are in inches

 

 

 

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15° Helical Flute

15 deg helical flute thread mill
  • Made with premium submicron grade carbide
  • AlTiN+ coating for improved surface finish

15° HELICAL FLUTE- NPT

THREAD DIA./PITCH “A” TOOL DIA. “B” LENGTH OF CUT “Q” LENGTH "S" SHANK DIA. OAL FLUTES ORDER # EDP #
UNCOATED AlTiN+ UNCOATED AlTiN+
INTERNAL OR EXTERNAL THREADS
1/16,1/8-27 0.222 0.461 0.018 0.250 2.50 3 TMX222-27-H TMX222-27-HA 101351 101354
1/4,3/8-18 0.270 0.636 0.027 0.312 2.50 4 TMX270-18-H TMX270-18-HA 101357 101360
1/2,3/4-14 0.440 0.890 0.035 0.500 4.00 4 TMX440-14-H TMX440-14-HA 101363 101366
1" to 2"-11.5 0.550 1.171 0.043 0.625 4.00 4 TMX550-11.5-H TMX550-11.5-HA 101369 101372

 

30 degreee helical flute thread mill
  • AlTiN+ coating extends tool life
  • Helical flute for reduced side cutting pressure

30° HELICAL FLUTE - NPT

THREAD DIA. / PITCH “A” TOOL DIA. “B” LENGTH OF CUT “Q” LENGTH “S” SHANK DIA. OAL FLUTES ORDER # EDP #
UNCOATED AlTiN+ UNCOATED AlTiN+
INTERNAL OR EXTERNAL THREADS
1/16,1/8-27 0.218 0.534 0.018 0.250 2.50 4 TM218-27NPT-H TM218-27NPT-HA 101404 101416
1/8-27 0.280 0.758 0.018 0.375 3.50 4 TM280-27NPT-H TM280-27NPT-HA 101422 101446
1/4, 3/8-18 0.330 0.693 0.027 0.375 3.50 4 TM330-18NPT-H TM330-18NPT-HA 101428 101452
1/4, 3/8-18 0.382 0.800 0.027 0.4375 3.50 4 TM382-18NPT-H TM382-18NPT-HA 101458 101470
1/2, 3/4-14 0.430 1.105 0.035 0.500 3.50 4 TM430-14NPT-H TM430-14NPT-HA 101476 101488

 

30 degreee helical flute thread mill
  • Polished flute face for optimum performance
  • AlTiN+ coated tool for higher cutting speed

30° HELICAL FLUTE - NPTF - DRYSEAL

THREAD DIA. / PITCH “A” TOOL DIA. “B” LENGTH OF CUT “Q” LENGTH “S” SHANK DIA. OAL FLUTES ORDER # EDP #
UNCOATED AlTiN+ UNCOATED AlTiN+
INTERNAL OR EXTERNAL THREADS
1/16, 1/8-27 0.218 0.534 0.018 0.250 2.50 4 TM218-27NPTF-H TM218-27NPTF-HA 101401 101413
1/8-27 0.280 0.758 0.018 0.375 3.50 4 TM280-27NPTF-H TM280-27NPTF-HA 101419 101443
1/4, 3/8-18 0.330 0.693 0.027 0.375 3.50 4 TM330-18NPTF-H TM330-18NPTF-HA 101425 101449
1/4, 3/8-18 0.382 0.800 0.027 0.4375 3.50 4 TM382-18NPTF-H TM382-18NPTF-HA 101455 101467
1/2, 3/4-14 0.430 1.105 0.035 0.500 3.50 4 TM430-14NPTF-H TM430-14NPTF-HA 101473 101485

 

 

 

NPT/NPTF Thread Mills  

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Trademarks are the properties of their respective owner(s).

October 2024

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.


Servicing the Canadian provinces and territories of
Newfoundland, NF, NL, Nova Scotia, NS, New Brunswick, NB, Prince Edward Island, PEI, PE, Quebec, PQ, QC, Ontario, ON, Manitoba, MB, Saskatchewan, SK, Alberta, AB, British Columbia, BC, Northwest Territories, NT, Nunavut, NU, Yukon, YT

Servicing Canadian cities,
Toronto, Mississauga, Scarborough, Laval , Montreal, Montréal, Vancouver, Ottawa, Gatineau, Calgary, Edmonton, Québec City, Winnipeg, Hamilton, Kitchener, Cambridge, Waterloo, London, St. Catharines , Niagara, Halifax, Oshawa, Victoria, Windsor, Saskatoon, Regina, Sherbrooke, St. John's, Barrie, Kelowna, Abbotsford, Mission, Sudbury Kingston, Saguenay, Trois-Rivieres, Trois Rivieres, Trois-Rivières, Guelph, Moncton, Brantford, Saint John, Thunder Bay, Peterborough, Ajax, Aurora, Brampton, Brock, Burlington, Caledon, Clarington, Durham Region, Oshawa, Pickering, Whitby, Halton Hills, Milton, Oakville, Mississauga, New market, Richmond Hill, Vaughn, Orangeville

Servicing US cities,
New York, Los Angeles, Chicago, Houston, Philadelphia, Phoenix, San Antonio, San Diego, Dallas, San Jose, Austin, Jacksonville, San Francisco, Indianapolis, Columbus, Fort Worth, Charlotte, Seattle, Denver, El Paso, Detroit, Washington, Boston, Memphis, Nashville, Portland, Oklahoma City, Las Vegas, Baltimore, Louisville, Milwaukee, Albuquerque, Tucson, Fresno, Sacramento, Kansas City, Long Beach, Mesa, Raleigh, Omaha, Miami, Oakland, Minneapolis, Tulsa, Wichita, New Orleans, Arlington, Cleveland, Bakersfield, Tampa, Aurora, Honolulu, Anaheim, Santa Ana, Corpus Christi, Riverside, St. Louis, Lexington, Stockton, Pittsburgh, Saint Paul, Anchorage, Cincinnati, Henderson, Greensboro, Plano, Newark, Toledo, Lincoln, Orlando, Chula Vista, Jersey City, Chandler, Fort Wayne, Buffalo, Durham, St. Petersburg, Irvine, Laredo, Lubbock, Madison, Gilbert, Norfolk, Reno, Winston Salem, Glendale, Hialeah, Garland, Scottsdale, Chesapeake, North Las Vegas, Fremont, Baton Rouge, Richmond, Boise, San Bernardino, Spokane, Birmingham, Modesto, Des Moines, Rochester, Tacoma, Fontana, Oxnard, Moreno Valley, Fayetteville, Huntington Beach, Yonkers, Glendale, Aurora, Montgomery, Columbus, Amarillo, Little Rock, Akron, Shreveport, Augusta, Grand Rapids, Mobile, Salt Lake City, Huntsville, Tallahassee, Grand Prairie, Overland Park, Knoxville, Worcester, Brownsville, Newport News, Santa Clarita, Port St. Lucie, Providence, Fort Lauderdale, Chattanooga, Tempe, Oceanside, Garden Grove, Rancho Cucamonga, Cape Coral, Santa Rosa, Vancouver, Sioux Falls, Peoria, Ontario, Jackson, Elk Grove, Springfield, Pembroke Pines, Salem, Corona, Eugene, McKinney, Fort Collins, Lancaster, Cary, Palmdale, Hayward, Salinas, Frisco, Springfield, Pasadena, Macon, Alexandria, Pomona, Lakewood, Sunnyvale, Escondido, Kansas City, Hollywood, Clarksville, Torrance, Rockford, Joliet, Paterson, Bridgeport, Naperville, Savannah, Mesquite, Syracuse, Pasadena, Orange, Fullerton, Killeen, Dayton, McAllen, Bellevue, Miramar, Hampton, West Valley City, Warren, Olathe, Columbia, Thornton, Carrollton, Midland, Charleston, Waco

Servicing the US states of
Alabama, AL, Alaska, AK, Arizona, AZ, Arkansas, AR, California, CA, Colorado, CO, Connecticut, CT, Delaware, DE, District of Columbia, DC, Florida, FL, Georgia, GA, Hawaii, HI, Idaho, ID, Illinois, IL, Indiana, IN, Iowa, IA, Kansas, KS, Kentucky, KY, Louisiana, LA, Maine, ME, Maryland, MD, Massachusetts, MA, Michigan, MI, Minnesota, MN, Mississippi, MS, Missouri, MO, Montana, MT, Nebraska, NE, Nevada, NV, New Hampshire, NH, New Jersey, NJ, New Mexico, NM, New York, NY, North Carolina, NC, North Dakota, ND, Ohio, OH, Oklahoma, OK, Oregon, OR, Pennsylvania, PA, Rhode Island, RI, South Carolina, SC, South Dakota, SD, Tennessee, TN, Texas, TX, Utah, UT, Vermont, VT, Virginia, VA, Washington, WA, West Virginia, WV, Wisconsin, WI, Wyoming, WY

We can ship to
Afghanistan , Aland Islands , Albania , Algeria , American Samoa , AS, Andorra , Angola , Anguilla , Antigua and 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 , GU, 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 , MH, 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 , PW, Panama , Papua New Guinea , Paraguay , Peru , Philippines , Poland , Ponape , Portugal , Puerto Rico , PR, 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 and 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 and Tobago , Truk , Tunisia , Turkey , Turkmenistan , Turks and Caicos Islands , Tuvalu , Uganda , Ukraine , Union Island , United Arab Emirates , United Kingdom , United States , Uruguay, US Virgin Islands , VI, Uzbekistan , Vanatu , Vatican City State , Venezuela , Vietnam , Virgin Gorda , Wales , Wallia and Futuna Islands , Western Samoa , Yap , Yemen , Zambia , Zimbabwe


We try to ship to the world's largest cities
Tokyo,Japan, Seoul, South Korea, Mexico City, Mexico , New York City, USA , Mumbai, India , Jakarta, Indonesia , Sáo Paulo, Brazil, Delhi, India , Osaka/Kobe, Japan , Shanghai, China , Manila, Philippines ,Los Angeles, USA ,Calcutta, India , Moscow, Russian Fed., Cairo, Egypt, Lagos, Nigeria, Buenos Aires, Argentina , London, United Kingdom , Beijing, China , Karachi, Pakistan , Dhaka, Bangladesh , Rio de Janeiro, Brazil ,Tianjin, China , Paris, France , Istanbul, Turkey , Lima, Peru , Tehrãn, Iran, Bangkok, Thailand , Chicago, USA , Bogotá, Colombia , Hyderabad, India , Chennai, India , Essen, Germany , Ho Chi Minh City, Vietnam , Hangzhou, China , Hong Kong, China , Lahore, Pakistan , Shenyang, China , Changchun, China , Bangalore, India , Harbin, China , Chengdu, China , Santiago, Chile ,Guangzhou, China , St. Petersburg, Russian Fed , Kinshasa, DRC , Baghdãd, Iraq , Jinan, China , Houston, USA , Toronto, Canada, Yangon, Myanmar (Burma), Alger, Algeria Philadelphia, USA, Qingdao, China , Milano, Italy , Pusan, South Korea, Belo Horizonte, Brazil, Almadabad, India , Madrid, Spain , San Francisco, USA, Alexandria, Egypt , Washington DC, USA , Wuhan, China , Dallas, USA , Guadalajara, Mexico, Chongging, China , Medellin, Colombia, Detroit, USA , Handan, China , Frankfurt, Germany , Porto Alegre, Brazil , Hanoi, Vietnam , Sydney, Australia, Santo Domingo, Dom. Rep., Singapore, Singapore , Casablanca, Morocco , Katowice, Poland , Pune, India , Bangdung, Indonesia, Monterrey, Mexico ,Montréal, Canada , Nagoya, Japan , Nanjing, China , Abidjan, Côte d'Ivoire, Xi'an, China , Berlin, Germany , Riyadh, Saudi Arabia, Recife, Brazil , Dusseldorf, Germany, Ankara, Turkey , Melbourne, Australia, Salvador, Brazil , Dalian, China , Caracas, Venezuela, Adis Abeba, Ethiopia, Athina, Greece, Cape Town, South Africa, Koln, Germany , Maputo, Mozambique, Napoli, Italy