12B Finished Bore Sprocket Product Item：HXPT-022Model: 12B Finished Bore SprocketMaterial: C45, stainless steel, etc.Surface treatment:Teeth hardened, Black oxide, Zinc plated, Electrophoresis etcPackage:Standard export case, individual package (neutral or colorbox) available.Finished Bore Sprocket ，12B Inquiry Send Email
