product
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Customer service
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Partners
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Hexagon socket set
screws with falt point
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| Standard：GB77-85（ISO4026-1977） |
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| Specifications：M3--M20 |
Length：4mm-60mm |
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Hexagon head screws
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| Standard：GB5782-86（ISO4014-1979） |
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| Specifications：M4--M36 |
Length：25mm--300mm |
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Hexagon head screws
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| Standard：GB5783-86(ISO-4017-1979) |
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| Specifications：M4--M36 |
Length：8mm--120mm |
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| Cup head square neck
bolts |
| Standard：GB12-88 |
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| Specifications：M6--M20 |
Length：16mm--200mm |
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| Mushroom head square
neck bolts |
| Standard：GB14-88 |
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| Specifications：M6--M20 |
Length：16mm--200mm |
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