Surface treatment
Zinc Plated,Plain. Black Oxide,
Size
M4 M5 M6 M8 M10 M12 M1 4 M16 M20 M22
Strength Grade
Grade 4.8, Grade 8.8 , Grade 10.9
Pitch
0.5mm,0.7mm,0.8mm,1.0mm,1.25mm,1.5mm,1.75mm,2.0mm 2.5mm 3.0mm
Head type
Hexagon Head Bolts
Feature
High Strength and Hardness , Corrosion-resistance , Heat-Resistance