High Quality Hexagon Nuts,
brass, Carbon Steel, China factory, Grade 8.8, Grade10.9,
Item No.: 010101
Standard: Din934, ISO4032, Din555 
Sizes available from: M2.5 to M32
Material: Carbon Steel, Stainless Steel, Brass
Grade: 6, 8, 10（Carbon Steel）
A2-50, A2-70, A4-70, A4-80 (Stainless Steel)
Finish: Self Colour, Zinc Pl