Lock Nut Assortment [1/4\-20,3/8\-16,5/16\-18,1/2\-13,#10-24,#8-32], VIGRUE 304 Stainless Steel Nylon Insert Hex Lock Nuts & Washers Kit SAE, 240PCS
- Finished nuts are six sided nuts of standard thickness vs heavy duty hex nuts.
- Screws onto a bolt, cap screw or threaded rod of the same thread size.
- Use with washers to help distribute the load (not included).