Grey Phosphate Drywall Screw 3.5x25mm
Raw material : Carbon steel 22A
Head type : Bugle head with 4 ribs
Thread type : Fine thread & twinfast thread
Drive type : PH2
Point type : Needle point
Finish : Black Phosphate , Grey Phosphate ,Galvanized , Yellow Zinc，Nickel
Standard :DIN 18182
Surface : Matt black and dry, deep thread and sharp thread ,hardened ,heat treatment
Diameter : 3.5mm -4.8mm ( #6 - # 10)
Length : 13mm -152mm (1/2 " -6 ")
Packing :
Small box packing :1000pcs or 500pcs per box ,16 or 20 boxes per carton
Loose packing : 25kg or 50kg per gunny bag or brown carton
Usage : Multi-used ,as usually used for connecting and fixing gypsum board to light steel keel .
Place of origin : Tianjin City ,China
Port of shipment :Tianjin port
