SPI Boring Bars

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  • Machinable Carbide Boring Bars
  • Solves the problem of vibration in deep boring applications.
  • 90 to 97% tungsten plus nickel, copper and iron. Made using powder metal technology.
  • High density and tensile strength enhances efficiency by absorbing vibration.
  • Boring operations (especially deep applications) run with greater precision and reliability. Heat Treated Steel Boring Bars
  • Same design and feature as Machinable Carbide Boring Bar.
  • Bar is constructed with a more economical, but very effective, heat treated steel.