Size
Diameter:M2.5-M8
Head diameter：
M2.5-∅4.1mm,M3-∅4.6mm,M3.5-∅5.3mm,M4-∅5.9mm,M5-∅6.5mm,M6-∅8.2mm,M8-∅9.6mm
Material
钢-FH,不锈钢FHS,铝-FHA
Finish
zinc plated,black anodize,Natural anodize,black lacqwer,copper red,copper yellow,nickel over copper,nickel electroless,Chrome flash,Tin flash
