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GB819 cross recessed countersunk head screw
Product serial number ： HY-BZ-0894
Category ： Supporting product series
Standard ： GB819
Size ： M3-0.5*8
Strength grade ： 12.9级
Material ： SCM435
Product details
Surface treatment process ： 热处理，三价蓝白锌
+86 15062334911
yao.li@szenyoo.cn
Room 1822, Building 6, No111 Shishan Road. High-Tech Zone Suzhou City, JiangSu Province, China
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