China Ks-U1428-a, Unf1/4"-28 Straight Grease Zerk Nipple, 13.7mm Height, 8mm Hex, Factory Price, Find details about China Unf1/4"-28 Grease Nipple, Zinc Coating Grease Fitting from Ks-U1428-a, Unf1/4"-28 Straight Grease Zerk Nipple, 13.7mm Height, 8mm Hex, Factory Price