Diameter: M3----M30(#6-1-1/2")

Length: 10mm--150mm

Surface: Black /Zinc Plateed/HDG/Darcomet etc

Grade: 8.8/10.9/12.9(Gr-5/8/10)

Packing: packed in 4or small boxes ,then in 20 or 25kgs cartons, 36cartons/pallet.

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Hex Socket screw