Carriage bolt: 1) Material: Mild Steel, Medium Steel 2) Surface treatment: black, electric galvanized, hot dipped galvanized 3) Class: 4.8, 8.8 Stainless Steel Bolt: Class: 304(A2), 316(A4)
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SANIT GROUP-SHANDONG INTERNATIONAL SERVICE TRADE CORP.VIP会员第12年
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Carriage bolt: 1) Material: Mild Steel, Medium Steel 2) Surface treatment: black, electric galvanized, hot dipped galvanized 3) Class: 4.8, 8.8 Stainless Steel Bolt: Class: 304(A2), 316(A4)
