M8-1.25 Serrated Flange Nylon Insert Lock Nuts Flanged Locknuts, 304 Stainless Steel 18-8, Bright Finish, 10 PCS
- Features an internal nylon ring that grips bolt threads better than a standard finished nut.
- Great for use in applications where the bolt may be subject to vibration.
- Can also be used as a secondary nut to help lock the main nut in place.
- The side with the nylon insert should face towards the tip of the bolt, not towards the surface being fastened.
- Thread Type: Coarse, Thread Class: UNC-2B.