Free Running Insert: #4-40, 0.28" OAL MPN:A1185-04CN280

Free Running Insert: #4-40, 0.28in OAL is a premium quality cold formed threaded insert made of stainless steel offering superior holding power and self-locking features in various metal assemblies. This insert comes with an M30x1 thread size to easily fasten components like aluminum or brass, providing anti-galling benefits along the way. Measuring .2765 inches for its insert diameter, this free running insert boasts a half screw diameter of 0.28inch in length to avoid potential thread damage. Engineered for dynamic applications across aviation, automotive, manufacturing and electronics industries, this insert ensures durability with its anti-vibration and strong thread grip while reducing chances of galling or fretting when utilized for the most demanding screwdriving operations.