450pcs countersunk flat head phillips mini screw set m2 m2.5 m3 carbon steel computer notebook lapscrews kit

diy supplies : metalworking screw type : machine screws material : carbon steel dimensions : m2*3 drive style : phillips head style : flat package : 300-499pcs is_customized : yes specification : m2 m2.5 m3 application : fit for acer hp dell ibm lenovo samsung sony toshiba and so on