Special Fasteners Archives - Page 4 of 4

The Difference Between a Bolt and a Screw, According to One Trusted Agency

October 10, 2025April 10, 2021 by Tim Pinchback

As with so many things in the fastener world, the answer to 鈥淲hat鈥檚 the difference between a bolt and a screw?鈥� can best be answered by saying, 鈥淚t depends on who you ask.鈥澛� Most people have an idea in their head of what a bolt is and what a screw is. However, there are such ... Read more

Surface Finishes for Steel Bolts and Screws

January 6, 2023April 10, 2021 by Tim Pinchback

Cadmium-Electroplate-Steel-Fastener-Finish

Surface finishes are often applied to plain steel fasteners in order to improve performance. When it comes to steel bolts and screws, there are dozens of different coatings and platings to choose from, each with different properties and costs. For the purposes of this article, we鈥檒l present a basic introduction to five types of finishes … Read more

The Difference Between 1A, 2A, and 3A Threads

July 22, 2024April 9, 2021 by Tim Pinchback

When it comes to screws, bolts, and other threaded fasteners, precision and accuracy are critical. Engineers and manufacturers rely on standardized measurements and classifications to ensure seamless assembly and optimal performance. In Part 1 of our Threads Series, we provided some terminology and explained some of the nomenclatures of Unified Inch series threads. Now, we鈥檒l … Read more

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