Mushroom head square neck bolts (short neck/with large head/with small head/Strengthened) DIN603,GB12,GB14,GB801,ISO8677,ISO8678,GB794,ASME/ANSI B18.5-2,ASME/ANSI B18.5-3,ASME/ANSI B18.5-6
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Mushroom head square neck bolts (short neck/with large head/with small head/Strengthened) DIN603,GB12,GB14,GB801,ISO8677,ISO8678,GB794,ASME/ANSI B18.5-2,ASME/ANSI B18.5-3,ASME/ANSI B18.5-6