RS PRO Female UNC 4-40 Screwlock for use with D Connector

Nickel Plated Screwlock Assemblies

Our screwlock assemblies are a reliable, useful solution in any situation that involves a secure fixation. Our range of Nickel Plated Screwlock Assemblies offer a guarantee for long lasting retention of preloaded force in the threaded connection, even when put under high dynamic stress.

What is a screwlock?

A screwlock is made up from a number of washers, screws and nuts which when fastened creates a mechanical locking element, this whole element is what prevents fasteners from becoming loose. A screwlock has a locking system which is caused by the components pressing into one another when fastened.

Features & Benefits

• Features a reliable locking effect • Multiple re-use
• Gentle for contact surface
• Corrosion & heat resistant
• Assemblies for “D” connectors in two sizes – Female (8mm thread length) & female (13mm thread length)
• Thread size is 4-40 UNC

Typical Applications

• Typically used in situations that have the need for an effective, tight lock • Soft coated surfaces & slotted holes