Product Name: Color Painted Hex Head Self Drilling Screw Roofing Screw Model NO.: self drilling screw Grade: 4.8 Standard: DIN Head Style: Hexagonal Connection: Common Bolt Groove: Cross Type: Hexagon Head Material: Carbon Steel Optional Size: 2.5mm (#6) up to 6.3mm (#14) HS Code: 731813 Trademark: DAZHE Transport Package: Small Box/Carton/Pallet, Carton/Pallet Specification: #6-#14, Length: 8.5-200mm Origin: China HS Code: 7318130000 Product Description JiaxingDazheFastenerCo.,Ltd.isaprofessionalfastenersupplierinChina,locatedinJiaxing,oneofthebiggestfastenercityinChina.Possessingourownfactoryourmainproductsarescrews,stamping parts.basedonourexcellentquality,competitivepriceandpersonalizedservice,wehavebeenthesupplierofsome world-classfastenergroups,andgotourcustomerssupportandtrust.Welcometovisitourfactory,weexpectabrightfuturewithyouresteemcompany.Standardself drilling screwMaterialcarton steel,SS304, SS316,SS201DiameterM2~M8Head shapesRoundScrew threadCoarse threadScrew tipCone pointFinishA2-70/A2-80/A4-70/A4-80Paakagebased on customer requirement, usually small box/carton/pallet, carton/palletFeaturesGood anti-corrosion abilityGradeA2 A4CertificationISO9001: 2008, SGS, RoHSOEM service is also available