What Are TPI Screws?

At Kozak Micro Adjusters, we offer a variety of thread-per-inch screws, also known as TPI screws. When dealing with precision measurement, TPI is the count of the number of threads per inch that is measured along the length of a fastener. When looking directly at a screw, you are able to distinctly see and count the number of threads. TPI screws with a higher thread count means that they are smaller fasteners that contain finer threads. Screws that have finer threads are known for being stronger in tension. 

Threads per inch is a little different than thread pitch. When searching for your perfect screw, this is something to pay close attention to. Threads per inch is used only with American fasteners compared to thread pitch which is used with metric fasteners.

Something to notice when looking at thread pitch, is that when fasteners have a lower thread pitch, they have a finer thread, which is opposite when comparing to the TPI thread count. When it comes to finding the correct threads per inch for your project, we have the selection for you.

Selecting Your TPI Screws

When searching for your TPI screws, we have a large selection to choose from. For our line of TPI screws, we have the following options:

All of our TPI screws listed above are available in different lengths to fit your needs. Upon request, we are also able to create custom tips for your screws, with blunt or coned tips available. Also, at Kozak Micro Adjusters, we are able to offer screws supplied with specified drive variations upon request.

Due to our highly developed and custom modified machinery, we are able to supply fine adjustment screws that exceed the industry standards. Please be aware that we do not guarantee that our TPI screws will be compatible with screws and bushings that are sold by alternative manufacturers.

Our High-Vacuum Screw Options

Our high-vacuum compatible fine and ultra-adjustment screws are supplied with a ball tip which is made of hardened steel. These screws are able to have air escape from under the ball tip due to the design that causes a relief in the ball cavity. The options that we offer for your high-vacuum TPI screws include:

If interested, we are able to create custom lengths and custom tips upon request. Our high-vacuum screws are able to deliver precision smooth movements especially in the most demanding OEM applications.

Choose Kozak Micro Adjusters for your TPI Screws

We have been providing quality screws and products for over 30 years. Our standards exceed the standards of our clients, and we stand by our superior craftsmanship. We take pride in providing the highest-quality products to meet the needs of your company. Contact us today to learn why our TPI screws exceed industry standards.

Contact Us

Feel free to reach out to us below or call us at 973-442-1001.