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
标准
DIN, ANSI, BSW, JSB, ISO
Name
Nickel Plated Steel Allen Hex Socket Cap Head Self Tapping Wood Screws
Head type
flat head, pan head, hex head
Material
aluminum, stainless steel, carbon steel
Surface treatment
zinc plated, dacro, passivate
Grade
4.6-12.9, A2-70,A4-80
Property
good anti-corrosion ability and anti rust