Japan National Standard Cone Thread Sizes
Japan national standard cone threads sizes are standardized by the Japan Industrial Standards Committee (JISC). As the name implies, these are standard threads that are used in many different types of industries including automotive, marine, and even aerospace. They are also used in tools, fixtures, and other machinery.
The Japan Standard Cone Threads come in two types: Whitworth and Trapezoidal. Whitworth threads are considered to be the most widely used in Japan, as they are a straightforward threading system which is easily recognized. Trapezoidal are popular for having a more specialized and varied appearance.
The Whitworth Threads have a crest and a root diameter of 0.6 times the thread’s pitch diameter. This allows for more accurate thread measurement and easier assembly. The coordinates of the nominal thread sizes of these threads range from 1/4” to 2-1/2”, with tolerances varying from 0.06~0.1mm for pitches of 0.5-3mm respectively. Of course, custom threads with different dimensions can also be produced on request.
The Trapezoidal Threads come in two forms: the coarse thread form and the fine thread form. The nominal thread sizes range from a range of 1/4” to 1-1/2”, with tolerances of 0.08-0.125mm respectively. Similar to the Whitworth threads, the Trapezoidal Threads have a crest and root diameter of 0.6 times the thread’s pitch diameter, along with the same coordinates as the Whitworth threads.
Since its creation in 1958, the JISC has been assuring their citizens of its standardization of the Japan National Standard Cone Threads. The committee works closely with technological agencies to see that its products create a higher level of reliability. Thus, when it comes to quality, there’s no doubt that the Japan Standard Cone Threads give users the assurance they need to work with precision parts and increase the efficiency of their production.
The Japan National Standard Cone Threads are versatile and important to many different industries and businesses. Thanks to their highly accurate measurements and reliable production, they are essential to the well-being and success of countless big and small businesses around the world. Thus, the Japan Industrial Standards Committee is to be commended for its dedication to standardizing these threads.
