螺丝头类型
平底锅, 大圆扁头, 平板型, 椭圆形, 圆形, 六角, 芝士
标准
ISO,GB,DIN,JIS,ANSI,BSW
Name
Round big knurled head shoulder thumb screw 4-40 6-32 8-32
Material
Stainless steel,carbon steel,brass,aluminum
Finish
Zinc plated,passivation,nickle plated
Service type
drawing/sample processing