50pcs M2 Zinc Plated -Locking Nylon Insert Hex Lock Nuts

50pcs M2 Zinc Plated Self-Locking Nylon Insert Hex Lock Nuts Hex head female threaded inside metal material anti-loose hex nut. Used with a machine or cap screw for mechanically joining materials together. Used widely for matching screws or . Made of metal material full threaded rod. The most economical and most common form of Threaded Rod. Typically used by the plumbing and contracting trades. Used in maintenance departments in various applications. Height:3mm/0.12 inch Width Flats:4mm/0.16 inch Width Corners:4.3mm/0.17 inch Package Content:50 x Nylon Lock Nuts Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.