苏州市桂丰精密不锈钢紧固件厂
Suzhou Guifeng Precision Stainless Steel Fasteners Factory
苏州市桂丰精密不锈钢紧固件厂
(GB 846 - 1976)
material Austenitic stainless steel
grade, rigidity A2-70
GB846 M1.6-M2.9; 十字槽圆头,沉头等:M1.0-M6mm,长度不超过50;