1.Super had tungsten carbide boring bar made of high toughness coompund is tough and durable,highly materializing features of super hardness,high rigidity and extra vibration resistance,most suitable for extra depth boring
2.Standard internal coolant hole is build in every size of the bar,best for cooling and chip evacuation in deep hole boring.
3.Featuring straight shank structure,the bar can be adjusted to different working lengthes.
4.On both ends of main body intergrated are soldering holes.One hole will be superseded by the other upon breaking.this will reduce your cost and greatly increase the value of broing bar.