Kozak Micro Adjusters will be closed from June 17th-21st for inventory and maintenance. Please make sure to order ahead as shipments will not be made during this time.

Our imperial-sized matched set micro-positioning adjustment screws and unbraked bushings deliver precision smooth movements in the most demanding OEM applications. These 1/4-508 TPI screw sets provide the smoothest and most precise movements in the industry. Our highly developed proprietary machining and custom-modified machines enable us to produce our 508 TPI (0.05 mm pitch) adjusters to standards that exceed industry standards. Thread class exceeding 3a-3b by 45%.

Note: Kozak Micro cannot guarantee that our screws and bushings will be compatible with screws and bushings sold by other manufacturers.

For mobile shopping: See products and specs in the table below. Scroll to the left to see more information and to add it to your cart.

3 products
Item # Thread Diameter Thread Pitch Screw Length Decimal Ball Tip Diameter Hex Drive List Price Actions
Item # TSB250-508-375/312-AA, 1/4-508 TPI Screw & Bushing Matched Sets
tsb250-508-375/312-aa 1/4 in 508 TPI 0.375 in 0.187 in 5/64 in
Regular price
$29.41
Sale price
$29.41
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per 
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Item # TSB250-508-500/437-AA, 1/4-508 TPI Screw & Bushing Matched Sets
tsb250-508-500/437-aa 1/4 in 508 TPI 0.500 in 0.187 in 5/64 in
Regular price
$31.51
Sale price
$31.51
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Unit price
per 
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Item # TSB250-508-750/437-AA, 1/4-508 TPI Screw & Bushing Matched Sets
tsb250-508-750/437-aa 1/4 in 508 TPI .750 in 0.187 in 5/64 in
Regular price
$33.61
Sale price
$33.61
Regular price
Unit price
per 
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About Our 1/4-508 TPI Screw Sets

Our 1/4-508 TPI screw sets have a 0.25-inch diameter and 508 threads per inch. This means that they are best for fine-tuning applications where a tight and secure connection is required, which is why they are a part of the ultra-fine adjustment screw family. Applications that usually use our 1/4-508 TPI screw sets include machinery, automotive parts, medical devices, or any other project where tight tolerances and accuracy are essential.

When you shop our collection of 1/4-508 adjustment screw sets, you will see that they vary in length, giving you options for your application needs.

Benefits of Working with Kozak Micro Adjusters

Kozak Micro Adjusters is your destination for 1/4-508 TPI screw sets and beyond. With our extensive experience and abilities in customization, we can help you find the right adjustment set for your application. The advantages of working with us include:

  • Experience – We have been supplying adjustment screws to a variety of industries for over 30 years. And while we are located in New Jersey, we are able to supply our parts to all of the United States.
  • Customer-focused – Our knowledgeable team strives to offer products at competitive prices, supply prompt delivery, and provide reliable engineering support. Additionally, we implement strict quality control measures and offer full traceability for product transparency.
  • Diverse knowledge – Many industries benefit from our 1/4-508 TPI adjustment screws and other products. This includes photo optics, photonics, analytical chemistry, lithography, packaging, semiconductors, and beyond.
  • Customization – If your application requires something different than our selection of turnkey options, be sure to reach out to us for a custom solution. We can then work with you to craft solutions to your exact specifications using our proprietary machining.

Contact Us for 1/4-508 Adjustment Screw Sets

If you are interested in learning more about our 1/4-508 adjustment screw sets, be sure to reach out to our team today.