05 ago 1640Pcs M4 M5 M6 Bolts and Nuts Assortment Kit Grade 8.8 Alloy Steel Hex Screws
Specification: Material: 8.8 Grade Alloy Steel Thread Size: M4, M5, M6 Head Style: Hex Quantity: 1640 Tolerance: 0.005mm Description: Material: Bolts and Nuts assortment sets are made of 8.8 Grade Alloy Steel, corrosion resistance property, features good wear resistance, high hardness and high strength. But...