Product Name: Bugle Head Black or Grey Phosphated Drywall Screw Model NO.: SW-ST004 Customized: Customized Certification: ISO Surface Finishing: Black Shape of Groove: Cross Shape of Head: Bugle Material: Iron DC: 1/2"-6" Connection: Sand Casting Trademark: no mark Transport Package: Small Box Packing or Bulked Packing Specification: all the sizes Origin: China Product Description Drywall screw:Material: Carbon steelSize: All sizeSurface: BlackPacking: 1000PCS in a small box then carton.Product namedrywall screwsizeall the sizematerialC1022Surface treatmentblack or grey phosphatedstandardDIN JIS ISO ASTM ANSIGradehardenedDelivery timeWithin 7days to 15days common according to quantitypackingGeneral export package, or according to customer's requirementAfter serviceThe commodity inspection to our final confirmationPayment waysT/T, L/C,Western Union