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Amazon.com: 316 Stainless Steel Nylon Insert Lock Nuts Nylock UNC Coarse Sizes #4-40 to 1/2"-13 QTY 100 (1/2"-13) : Industrial & Scientific
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Amazon.com: M8-1.25 Flange Nylon Insert Lock Nuts Flanged Locknuts, DIN 6926, Stainless Steel 18-8 (304), Bright Finish, 10 PCS : Industrial & Scientific
![Hillman 7/16-in x 14 Zinc-plated Steel Nylon Insert Nut (4-Count) in the Lock Nuts department at Lowes.com Hillman 7/16-in x 14 Zinc-plated Steel Nylon Insert Nut (4-Count) in the Lock Nuts department at Lowes.com](https://mobileimages.lowes.com/productimages/76c7665c-8686-4e34-b734-3492e3f8db51/08912899.jpg)
Hillman 7/16-in x 14 Zinc-plated Steel Nylon Insert Nut (4-Count) in the Lock Nuts department at Lowes.com
![Value Collection - Hex Lock Nut: Insert, Nylon Insert, 7/16-20, Grade 2 Steel, Zinc-Plated - 61433249 - MSC Industrial Supply Value Collection - Hex Lock Nut: Insert, Nylon Insert, 7/16-20, Grade 2 Steel, Zinc-Plated - 61433249 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/6143324-24.jpg)
Value Collection - Hex Lock Nut: Insert, Nylon Insert, 7/16-20, Grade 2 Steel, Zinc-Plated - 61433249 - MSC Industrial Supply
![Hillman 1/4-in x 20 Stainless Steel Stainless Steel Nylon Insert Nut in the Lock Nuts department at Lowes.com Hillman 1/4-in x 20 Stainless Steel Stainless Steel Nylon Insert Nut in the Lock Nuts department at Lowes.com](https://mobileimages.lowes.com/productimages/d7d60505-b5e1-4437-b045-03571b95c078/02865778.jpg?size=pdhism)