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inside hexagonal bolt
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Name: Insidej Hexagon Bolt

Material: carbon steel, stainless steel(304)

surface finish : self color - carbon steel, stainless steel;

                polishing - stainless steel

                zinc plated(electric galvanized), hot dip galvanized

grade : 4.8, 8.8, 10.9, 12.9- for carbon steel


不锈钢普料、304,碳钢4.8级,8.8级,10.9级,12.9级内六角螺栓


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