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Guangdong STL Fastening System Co., Ltd.
广东史特牢紧扣系统有限公司
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Curved spring washers
(DIN 137 (A) - 1987)
material
Non-metallic materials
grade, rigidity
grade 12
Coating
black oxide coating
主要材质:SK5.65MN 表面处理:硬化发黑 执行标准:GB860.DIN137A
常用规格:M2-M12 库存式销售:为您提供一站式采购服务!
售货承诺:本企业所售产品严格执行制造质量标准.实行国家三包:如有品质问题无条件退换货或退款!
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GB /T 955 - 1987
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