... 2.Size: M6-M52 3.Grade of strength: 4,6,8,10 4.Finish: ZP, HDG, black Material: Stainless steel, mild ... Standard: DIN, ISO, JIS, AISI, GBGrade of strength: 4,6,8,10,12Size: M3-M42 Surface: plain, Zinc plated, black Package ... demandMainly used for indoor and outdoor construction field Special anchor can be supplied according to customers' drawing or samples stainless flange anchor bolts