Hex Nut
Specification: M6-M150
Material: Q235, 45#, 40Cr, 35 Crmo, 42 Crmo
Grade: 4.8, 6.8, 8.8, 10.9, 12.9
Surface Treatment: Black Oxide, Zinc plated, HDG, Galvanized, Plain (Oiled), Dacromet.