Product Name: Cup Head Bolts with Square Neck Mounting Mower Bolt Blackening Coating Class 10.9 Finish: Heat Treatment with Oil Application: Machinery, Chemical Industry, Environmental, Building Grade: 10.9 Standard: DIN, ANSI, GB, JIS Head Style: Round Connection: Common Bolt Type: Cheese Head Material: High Strength Steel Trademark: kinsom fasteners Transport Package: Standard Specification: M6 M8 M10 M12 Product Description What we can do:All the following details can be customized by your specific need.OEM service is welcomed.Product Name MaterialStainless 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 DiameterM2.5-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.If you are looking for the cold forging fasteners manufacturer,look no further than kinsom fasteners.Kinsom provide you high quality product and service with customized size,finish,detail requirements cold forging fasteners.If you are seeking no more than of cold formed items,even kinsom can supply you related precision metal parts withthe second processing to meet your demands.OEM service is available.Send your drawing to us,let's talk more details.Customized fasteners:Plain with oil /No finish What kind of finish you need ?Hexagon bolts :Sandblasting blacking or zinc , black nickel ,black finish series:Welcome to visit us:Welcome to visit us:Professional inspection machine to insure the quality:Professional cold forging and threading machine to get the right fasteners: