Sink the head and drill the tail
Flat Head Self Drilling Screws
13mm,16mm,19mm,25mm,32mm,38mm,50mm,60mm,70mm
Zinc Plating-Blue White
Strong Tensile Strength, Corrosion Resistance, Fas
Heat Treatment, Phosphating, Galvanizing, Salt Spr
Decoration (Light Steel Keel)
Box+Carton, OEM