tapping screws used for gypsum board(high strength) 3.5x35mm
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self tapping drywall screws
material: steel
size: 3.5x25mm 3.5x35mm and so on
high strength
Drywall tapping screws are widly used for gypsum board
Self tapping screw:
Diameter: 3.5mm(#6),3.9mm(#7),4.2mm(#8),4.8mm(#10)
Length: 25mm,35mm,50mm....
Coating: Black Phosphated,Grey Phosphated,Zinc,Yellow Zinc,
Packing: 1000pcs/box or 600pcs/box as your requirement.