| Hexagon socket head shoulder screws (plug) |
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| Basic Parameters |
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● Material: Carbon steel alloy steel ● Standard:GB/T5281;ISO7379;BS2470…… ● Specification:M10-M100(/3/8″-4″) ● Length:20mm～500mm ● Grade: ● Steel ISO898:8.8～12.9;ASTM A574、A574M ● Surface: blackened, galvanized, hot-dip galvanized, dacromet, Teflon, etc. |
