100 pcs thread insert lock fixing screw nylon nuts hexagonal black

100 pcs thread insert lock fixing screw nylon nuts hexagonal black Hex Height (B): 2.5 mm / 0.1 inch Hexagonal Width (C): 5.5 mm / 0.2 inch Pitch: 0.5 mm / 0.02 inch Main color: Black Package contents: 100 x Hexagon nuts Only the above package content other products are not included. 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.