Product Name: C1022A Bugle Head Fine Coarse Thread Black Phosphate 3.5X25 mm Drywall Screw Model NO.: RF Grade: 3.6 Standard: GB Head Style: Round Connection: Common Bolt Groove: Cross Type: Round Head Material: Carbon Steel Trademark: OEM Transport Package: Carton Specification: 3.5x25mm Origin: Linyi HS Code: 7317000000 Product Description C1022A Phillips Bugle Head Fine Coarse Thread Black Phosphate Drywall ScrewProduct NameDrywall Screw Gypsum ScrewMaterialC1022ADia.M3.5&#6/M3.9&#7/M4.2&#8/M4.8&#10Length13mm-254mmHeadPhillip drive bugle head.Pointsharp Point.Threadfine thread, coarse thread.Finishblack phosphate, grey phosphate, zinc plated.Packing25kg/bag in bulk, or inner box then in carton, as per your request.MOQ1 ton for each size.Payment Terms30%TT in advance and 70% TT before shipmentNotes: The packaging can be customized according to your requirements.