| Semi-round head non-standard fastener |
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| Basic parameters |
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● Material: carbon steel alloy steel ● Specification：M10-M100(/3/8″-4″) ● Length：20mm～1500mm ● Grade： ● Steel ISO898:8.8～12.9;J429 Gr.2-Gr.8 ● Surface: black, galvanized, hot-dip galvanized, Dacromet, Teflon and so on |
