High strength heavy hex structural bolt &nut&washer set
Standard: DIN6914,DIN6915,DIN6916
Dia.: M12-M36;
Length:30 mm-200 mm;
Metarial/Grade: bolt-8.8,10.9; nut-8,10; washer
Surface treatment: plain ,black oxygenation, zinc plated, hot dip galvanizing, etc.
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