Screw, Nut, Bolt manufacturer / supplier in China, offering DIN965 M1.4 M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 Cross Recessed Countersunk Head Machine Screw, DIN965 M2-M10 Carbon Steel Stainless Steel Cross Recessed Phillips Flat Countersunk Head Machine Screw, Stainless Steel 1.4301 1.4306 1.4571 Blue Red Nylock Cross Recessed Flat Csk Hex Socket Countersunk Head Screw DIN965 DIN7991 and so on.