Grizzly Industrial 21-Bit Line Boring Machine

Sale price$4,995.00

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Speed up your 32mm line boring operations with this 21-spindle, pneumatically-controlled line boring machine.

A single foot pedal controls the hold-down clamps and lowers the spindles for simultaneous boring.

Right and left spring-loaded indexing pins also offset long stock for perfect step-and-repeat operations.

The drilling depth is precisely adjusted by using the depth control on top of the headstock column.

The bits must be purchased separately and are sold as the T20549.

Like all Grizzly boring machines, the G0643 comes with a 1-year warranty which covers parts and assures the unit is free from factory defects.

The G0643 manual was written by our U.S. based Technical Documentation Department and is packed with useful information. The complete and easy-to-read manual makes it easier to assemble and maintain your machine.

The Grizzly Customer Service and Technical Support Teams are U.S. based. Parts for the boring machine may be available online and shipped from the Grizzly parts warehouse in Springfield, MO.


  • Motor: 2 HP, 110V/220V (prewired 220V), single-phase, 20.8A/10.4A
  • Spindle travel: 3-3/8"
  • Spindle speed: 3450 RPM
  • Maximum stock width: 8"
  • Drill Bit Type: Flat shank boring bits
  • Drill bit capacity: 10 mm
  • Air requirement: 70 PSI
  • Table size: 43-5/16" W x 15-3/4" D
  • Table travel (front to back): 16"
  • Floor to table height: 33-1/4"
  • Number of spindles on boring head: 21 (10L, 11R)
  • Distance between spindle centers: 32mm
  • Fence length: 74-3/4"
  • Footprint: 36-1/4" x 28-3/8"
  • Overall dimensions: 75" W x 28-3/8" D x 58-1/8" H
  • Approximate shipping weight: 514 lbs.


  • 32mm line boring system
  • Numerical down feed stroke indicator
  • Back-fence and cross-fence scale position indicator
  • Adjustable fence flip stops
  • Steel gear head
  • SUJ-2 high carbon, anti-friction steel slide shafts with linear bearings
  • See-through guard
  • Indexing pin for step-and-repeat operation
  • Bits sold separately

*This machine is prewired for 220V operation. 110V operation requires purchase and installation of conversion kit P0643222.

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