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What is the difference between self-tapping and thread forming screws?

These two self-tapping screws are of two different varieties. As opposed to thread-cutting screws, which have the ability to remove material during installation, self-forming screws have the ability to shift material as they are installed. In reality, self-forming screws don’t remove any material.

Why use thread forming screws? Material around the pilot hole was dislodged by the thread-forming screw, causing it to flow around the screw’s threads. When high stresses are required to increase the resistance to loosening, these screws are typically employed. The mating portion achieves a fit with zero clearance since no material is removed.

Up to 20 times of reuse are allowed for thread forming screws, however caution must be exercised to prevent cross threading. They can be used in steel as well as non-ferrous and light metals, but they are not meant to be used in fragile metals like grey cast iron.

What are self-tapping screws used for? Screws with the capacity to tap threads into the material are known as self-tapping screws. Self-tapping screws can be utilised with brick, metal, wood, and other materials. These screws need a pilot hole to be predrilled before installation because they cannot drill through metal.

At Bolt World you can have complete range of Self Tapping Screws and Thread Forming Screws, whether you looking for stainless steel version of these screws or Steel zinc or black passivated, we have them all with full range of head types like, pan pozi self tapping screws or pozi flange thread forming screws.

Contact our sales team to get more information or placing an order on 01375767780.