Heavy-duty hexagon head screw plugs,cylindrical thread DIN 910 Steel zinc plated M10*1 - 15 500 pcs M16*1.5 - 8700 pcs G1/4 - 28 000 pcs G3/8 - 8 000 pcs Hexagon head pipe plugs, conical thread DIN 909 Steel zink plated G3/8 - 10 000 pcs G1/2 - 5 000 pcs