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| Large hexagon head high strength bolt 10.9s |
| Yellow zinc plated hex head bolt 10.9s |
| Materials: Low carbon alloy steel, 20MnTiB |
| Grade:8.8s or 10.9s |
| Size:M16-M30 Length:40-200mm |
| Apply to standard:GB1228,ASTM A325, A490, DIN, JIS,ect. |
| Surface treatment: yellow zinc plated, galvanized, copper plated, black, HDG.ect. |
| All products chemical composition and mechanical properties can meet the vaule as per standard |
Large hexagon head high strength bolt 10.9s