This listing is for Twenty Five (25) new M3-0.50 (also know as 3mm x 0.50) - Metric Hex Nut Black Alloy Steel. These have a Class 10 rating
- M3 / 3mm Metric Hex Nuts in Black Alloy Steel Metric Size : M3 / 3mm Type : Hex Nut Specification : DIN 934 / ISO 4032 / EN 4032 or Style 1 Thread Pitch : 0.50mm - Coarse Standard Thread Wrench Size : 5.5mm Material : Black Alloy Steel Class 10 Notes : The most versatile and widely used nut!