ART. NAME ART. SECIFICATION BUTTON HEAD(mm) PACKING FINISHING Plat head (self drilling ) screw 4.2X13 3 1000/1 yellow zinc, mechanical zinc 4.2X16 4.2X19 4.2X25 Plat head (self drilling ) screw 4.2X32 3 500/1 yellow zinc, mechanical zinc 4.2X41