Square Nuts, M5x18mmx4mm Zinc-Plated Metric Coarse Thread Assortment Kit 25pcs

Application： It suitable for indoor and outdoor, widely used in civil furniture, equipment, construction, electrical appliances, industrial machinery, etc. mainly for connection, assembly, fixing, and other functions. Square nuts are designed for use with square-headed bolts, though they can also be used with some machine screws. The large surface provides better resistance to loosening. Also used with flat washers of compatible size and material. Grade: 4.8 Material: Carbon steel [THREADED SIZE] - M5 x 0.8mm. [DIMENSION] - 0.43(11mm) wide, 0.16(4mm) high. [MATERIAL] - Constructed from Carbon steel, white zinc plated finished, anti-rust and anti-corrosion, superior electrical conductivity. [How to use] - Usually use screws to clamp the connected terminal wire; use a wrench to fix the square nut, and use a drive tool to lock the screw in the tightening position.