Why Left-Handed Threads Are Used in ACME Products

Although right-handed threads are far more common, left-handed threads play a crucial role in certain applications where performance and safety demand a different approach.

Preventing Unintentional Loosening

One of the primary reasons left-handed threads are used is to prevent fasteners from loosening due to motion or vibration. In many applications, the rotation of a machine or component can naturally tighten a right-hand thread in the wrong direction, creating the risk of a fastener backing out or failing. By using a left-hand thread, the motion works against the tendency to loosen, ensuring a secure hold. This is an important feature some industrial equipment.

Specialized Applications and Safety

Left-handed threads are also chosen when safety is a concern or when parts need to be secured in ways that prevent accidental removal. For example, certain automotive, aerospace, and industrial components rely on left-hand threads because they operate in environments where standard right-hand threads would pose risks.

Custom Manufacturing to Your Specs

Dependable ACME Threaded Products provides both stock and custom options for left-handed ACME threads. Whether you need ACME hex nuts, cut thread ACME screws, or custom rods in left-hand thread, we offer them in a variety of materials. Also, we ship most orders same day!

To learn more about the ACME left-handed threaded left handed screws we offer, contact us today.