Hex Lock Nut: Insert, Nylon Insert, 1-1/2-6, Grade 8 Steel, Uncoated MPN:MP39634

The Hex Lock Nut with an insert of Nylon and steel grade 8 is suitable for applications that require a locking mechanism to secure screws in place under vibration or movement such as automotive or aerospace engineering industries, marine applications, construction or heavy machinery where safety is paramount. Its 1-1/2-6 hex size allows users the ability to tighten with ease while also providing adequate holding power without stripping screws; thus it's useful in environments where maintenance staff may not always have the correct size wrench handy when tightening screws.