Blackened M3*7*0.5 Carbon Steel 8.8 Grade Flat Washers

These are carbon steel flat washers with an 8.8-grade hardness. They feature a blackened surface treatment for enhanced durability and corrosion resistance. Each washer has nominal dimensions of M3 (inner diameter) by 7mm (outer diameter) by 0.5mm (thickness). Sold in a box containing 4000 pieces, they are ideal for a wide range of industrial and mechanical fastening applications.

Surface treatment: Black Implementation Standards: National Standard Nominal size: M3*7*0.5 Surface color: black hardness: 8.8 type: Flat washers Material: Carbon Steel