5/10/50pcs M1.6 M2 M2.5 M3 M4 M5 M6 M8 Black Grade 10.9 Steel GB70.3 Hexagon Hex Socket Head Flat Countersunk Allen Bolt Screw-M3 (50pcs),22mm

Item Description: Material: Metal Size: d(thread diameter) x L(total length) Metric thread diameter:M1.6 (1.6mm) / M2(2mm) / M2.5(2.5mm) / M3(3mm) / M4(4mm) / M5(5mm) / M6(6mm) / M8(8mm) Metric thread pitch:0.35mm (M1.6) / 0.4mm(M2) / 0.45(M2.5) / 0.5mm(M3) / 0.7mm(M4) / 0.8mm(M5) / 1mm(M6) / 1.25mm(M8) Thread length: 3mm-80mm Origin:CN(Origin) DIY Supplies:Woodworking Screw Type:Machine Screws Model Number:GB70.3 Drive Style:Hex Socket Head Style:Flat is_customized:Yes Packing list:5/10/50pcs?Send item quantity and specification according to your choice? The parcel's arrival time is generally 10-30 working days.