螺丝头类型
平底锅, 大圆扁头, 平板型, 椭圆形, 圆形, 六角, 芝士, 包边
Screw fastener
Socket Head Cap Screws
Finish
zinc,NI,chorme,brass,gold, dacromat...
Product size
Standard or Customized
Sample availablity
Supply free samples
Manufacture process
Heading,Threading,Heating,Plating...
Carton size
Standard or Customized
Surface treatment
Zinc Plated/ Black Oxide/ Passivation