Iso 7380 socket button head screws 10.9 Zincplated Small Packed M 6x12 - 100.000 pcs M 6x16 - 100.000 pcs M 6x20 - 30.000 pcs M 6x30 - 30.000 pcs M 6x40 - 20.000 pcs M 8x16 - 4.000 pcs