Hex bolt, heavy hex bolt, hex flange bolt, hex cap screw, carriage bolt, track bolt, step bolt, round head bolt, hex socket bolt etc. Material: Steel, alloy steel Standard: DIN931, DIN933, DIN558, DIN601, DIN603, DIN6914, DIN7990, DIN7991, DIN912, DIN7984, A325, A490, ANSI B18.2.1 Grade: 4.8, 6.8, 8.8, 10.9, 2, 5, 8, A325, A490, A193 B7/B7M, A193 L7/L7M Surface: Plain, black, phosphate, zinc, hot dip galvanizing, dacromet, Teflon^ Package: Standard export package We can produce according to stan
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