1.j bolt .We also call it (anchor bolt, foundation anchor bolt, ground bolt )
2.We use these Materials: carbon steel, 45# steel, 40 Cr, 35CrMo;
3.Surface Finishing: zinc plated or black or plain or HDG;4.Size:M6-M64; length 12mm-3000mm
5.Grade: 4.8 8.8 10.9 12.9
6.Standard: DIN, JIS, BS, ASME...
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