material | Austenitic stainless steel |
grade, rigidity | grade 8.8 |
Coating | black oxide coating |
材料:碳钢,等级:8.8级;表面处理:发黑、镀白锌,公称直径:M6-M48,公称长度:6-50mm Material: carbon steel, Grade:8.8; Surface treatment: black, white zinc plating, nominal diameter: M6-M48, nominal length: 6-50mm |