Product Name: Automotive Industrial Fasteners Square Machine Step Screw Model NO.: screw Grade: 12.9 Standard: DIN, GB, ANSI, BSW, JIS, GOST Head Style: Counter Sunk Bolt Connection: Common Bolt Groove: Word Type: Square Head Material: Carbon Steel Trademark: custom label Transport Package: Standard Packaging Specification: M3 M6 M8 M12 M16 Origin: Shanghai China HS Code: 7318150000 Product Description ItemsSquare Machine Step Screws AutomotiveIndustrial High StrengthFastenersSpecification:Squarehead with carbon steel AISI10B21Cold forging process for manufacturingCase hardness:600-700HVCore hardness:300-425HVSize :M6*25Thread type:machineFinish: Black Marked:KS or by your needsThickness of heat treatment:0.15-0.28MMSST:400hrs min per ASTM B117 0% red rustIndustry:Building construction and othersSize and Material can be customized by your specific needs.All the following details can be customized by your specific need.OEM service is welcomed.Product NameSquare Machine Step Screws AutomotiveIndustrial High StrengthFastenersMaterialStainless steel 304 `316 ,carton steel 45# 22A 10B21,alloy steel,aluminum5052 6063F22,brass ,Titanium/Ti Alloy And so onHardness4.8-12.9 gradeType of ShankFull thread/ parital threadDriversslotted,six-lobe,pozi driver,square,triangle,8 point,phillipsType of Headflat,oval,truss,PF.round ,button,pan(JIS,ANSI),fillister,squareSurface TreatmentZinc,nickel,gold brass,black/black oxide etcShank DiameterM1.7-M30 customized by your needOverall Length6-120MMSalt Spray Test24hr-1000hrHead Diameteraccording to the sizeApplicationThe product is used for fixing thing in one place,it is also apply to material transmission, large drill bit.Package Description25kg/carton;Can Pallet.Or according to customers' requests.To face the challenges of world manufacturing market ,we still make sure our quality and service to maintain satisfaction of customers'.Kinsom Helps customers Improve Quality, Achieve Faster and more Secure Delivery, Reduce Total Cost.If you are looking for the customized parts,you turn to us.How we do:Quality control managementLogistics and PackagingCustom labels and logoWe are serious about service,and our service never ends.Please Email or Call us Today,we will glad to get your inquiry or any questions about Fasteners.