泰州市盛魁金属制品有限公司
Taizhou Shengkui Metal Products Co., Ltd.
泰州市盛魁金属制品有限公司
Hexagon Socket Head Shoulder Screws (ASME B 18.3 (T13) - 2012)
material Carbon Steel
grade, rigidity Grade 8.8 (HRC22~34)
Coating black oxide coating