螺丝头类型
平板型, 椭圆形, 圆形, lichen
Product name
Allen screws inside the countersunk
Head type
Sink head, flat head
Surface treatment
ordinary,Zinc Plating,Customer requirements
Grade
4.8/ 8.8/ 10.9/ 12.9 Ect
Quality Control
ISO9001:2015 Certificated
Customized support
Sample Processing