Hexalobular socket countersunk head machine screws

Hexalobular socket machine screws Standard: DIN34802; ISO14580; ISO14581; ISO14583; ISO14584; ISO14579; GB2671; GB2672;GB2673;GB2674 Size: M2-M10; M5-M20 Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass Grade: 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 Thread: M, UNC, UNF Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G Packing: bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand Application: Structural Steel;