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Product Name:Square head bolt yellow zinc Product NO: Product Introduction: Square head bolt yellow zinc:
1) Material: carbon steel, alloy steel, stainless steel, colored steel,copper 2) Grade: 4.8,6.8,8.8
3) Standards: DIN, ANSI, JIS, BS,GB
4) Finish: chrome plated, zinc plated,nickel plated or black
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