M3-0.5 / 3mm - Qty 100 - Metric Hex Nut DIN 934 - Class 8 Zinc Plated Steel - MonsterBolts Metric Size : M3 / 3mm Thread Pitch : .050mm - Coarse Standard Thread Type : Hex Nut Specification : DIN 934 / ISO 4032 / EN 4032 or Style 1 Material : Zinc Plated Steel Class 8