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The main standards of product are ANSI, DIN, BS and ISO. Diameter of the inch products is 1/4-1 with tensile strength Gr2-Gr8, and M6-M30 for the metric products covering the tensile strength Gr4.8-Gr10.9. Surface treatment are including black, zinc plated, hot dip galvanized, phosphated Ect. |
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| bolts, hex bolts, hex cap screws, bolt, nut, nuts, hex nuts, fastener, standard fastener |
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| Company : |
ningbo fastener factory |
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Contact us |
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| Country : |
China |
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