【Package】: 7pcs 5/16" shank Threading Holders (Boring Bars) + 14pcs indexable golden carbide Inserts + 7pcs matched wrenches. Single plastic case for each holder
【High-quality Material】: The lathe threading tool is made of 42CrMo steel which with high hardness, durable and excellent strength and mechanical properties, strong toughness and low-temperature impact resistance
【Easy-to-use】: Agile cutting, good chip removal, no cutting break. Fine and shiny, is colorfast
【Application】: CNC cutting tool for hard materials difficult to machine processing. Cost-Effective due to wide application for many kinds of equipment, process
【After-sales Service】: Any questions, please contact us anytime, we'll quickly response to service for you. We offer FREE EXCHANGE for dissatisfaction