50Pcs M6 x 1.0mm Stainless Steel Hex Lock Nuts with Nylon Insert, Self-Locking
50Pcs M6 x 1.0mm Hex Lock Nuts - 304 Stainless Steel, Self-Locking, Nylon Insert, Corrosion-Resistant for Industrial & DIY Use. Thenylon insert greatly enhances the locking ability of these nuts, reducing loosening due to vibration or torque.