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Grade 4.8 threaded rods M4X70 DIN976 yellow zinc-plated full threaded bolts auto fasteners M12X60 bolts, US $ 0.28 - 0.35 / Piece, Jiangsu, China, FBR, DIN976-22.Source from Nanjing Flybear Hardware Products Co., Ltd. on Waimaotong.com.