#Drill bit tap size chart how to#
#Drill bit tap size chart professional#

John's,īarrie, Kelowna, Abbotsford, Mission, Sudbury Kingston, Saguenay, Trois-Rivieres, Trois Rivieres, Trois-Rivières, Guelph, Moncton, Brantford, Saint John, Thunder Bay, Peterborough,Ījax, Aurora, Brampton, Brock, Burlington, Caledon, Clarington, Durham Region, Oshawa, Pickering, Whitby, Halton Hills, Milton, Oakville, Mississauga, New market, Richmond Hill, Vaughn, Orangeville Catharines, Niagara, Halifax, Oshawa, Victoria, Windsor, Saskatoon, Regina, Sherbrooke, St. Toronto, Mississauga, Scarborough, Laval, Montreal, Montréal, Vancouver, Ottawa, Gatineau, Calgary, Edmonton, Québec City, Winnipeg, Hamilton, Kitchener, Cambridge, Waterloo, London, St. Manitoba, MB, Saskatchewan, SK, Alberta, AB, British Columbia, BC, Northwest Territories, NT, Nunavut, NU, Yukon, YT Scotia, NS, New Brunswick, NB, Prince Edward Island, PEI, PE, Quebec, PQ, QC, Ontario, ON, The size of the drill bit you should use for a 1/8-27 NPT (National Pipe Thread) tap depends on whether you want to achieve a tapered (pipe) thread or a straight (mechanical) thread.įor a tapered thread, which is typical for NPT threads, you can use a drill bit with a nominal size of 11/32 inch (0.34375 inches) or a letter size “I” drill bit.įor a straight thread (also known as a mechanical thread), a 1/8-27 straight tap should be used with a drill bit that has a nominal size of 9/32 inch (0.28125 inches) or a letter size “F” drill bit.Servicing the Canadian provinces and territories of This means that when using a 1/8 NPT tap, you can generally expect it to cut threads to a depth of approximately 3/8 of an inch into the material you are threading. For a 1/8 NPT tap, the standard Depth of Thread is typically around 0.753 and Number of Threads Per is 27. The depth of a 1/8 NPT (National Pipe Thread) tap refers to the distance the tap can cut or create threads into a material. Of all of the types of threads (NPS, NPTF, etc.), NPT threads are used the most commonly in this country. NPT threads (or National Standard Pipe Thread) are the technical standard for screw threads in the United States, most frequently used in threaded pipes and pipe fittings.

NPT stands for National Pipe Thread, which is a standardized thread type used primarily in the United States for joining pipes and fittings in various industries, including plumbing, automotive, and industrial applications. What is 1/8 NPT Tap?Ī 1/8 NPT Tap refers to a specific type of tool used in threading applications, particularly for creating threads in pipes, fittings, or other components. So, let’s dive into the world of NPT threading and unveil the mysteries behind the perfect 1/8 NPT tap drill size that will elevate your threading projects to a new level of precision and reliability. Whether you’re looking to thread pipes for plumbing projects or create threaded holes in metal or plastic materials, this guide will be your go-to resource for achieving flawless results.

#Drill bit tap size chart how to#

In this comprehensive guide, we will delve into the intricacies of the 1/8 NPT tap drill size, exploring why it’s crucial, how to determine the correct size, and tips for achieving impeccable threaded connections. Precision is the name of the game when it comes to threading tasks, and using the right drill bit size ensures that your threads will fit snugly and securely.

#Drill bit tap size chart professional#

Whether you’re a seasoned DIY enthusiast or a professional in the world of machining and threading, knowing the correct drill bit size for a 1/8 NPT (National Pipe Thread) tap is essential.