... .9-M6.35 Finish: zinc, nikel, cr, black Self drilling tapping screws StandardsISO, DIN, AS/NZS, GB, ANSI , BS JISMaterialStainless steel, carbon ... ability, kinds of coatingsMOQ 100kgsAfter-sale serviceIf there are any quality problems, please contact with us at onceSurface treatmentBlack oxide, zinc ...