20mm 0.8in Lathe Boring Bar Turning Tool Holder CNC Tungsten Steel Accessories SHB 20‑07

1、Superior tungsten steel material not easy to damage and corrosion which has high hardness. 2、High precision and high clamping stability making it possible to work stably. 3、It can reduce the tool grinding cost and improve the cutting efficiency. 4、Clearly model expressed the first number represents the diameter of the boring bar and the second number represents the diameter of the clamping tool. 5、Fine workmanship smooth surface without burrs comfortable hand touch felling.