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Grizzly T32058 - 8" Helical Cutterhead Assembly for G0857

Grizzly T32058 - 8" Helical Cutterhead Assembly for G0857

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T32058 8" Helical Cutterhead Assembly for G0857

Upgrade to the top of the line helical cutterhead.

The T32058 8" Helical Cutterhead is designed to replace the straight-knife cutterhead on the Model G0857 8" x 76" Jointer.

Helical cutterheads provide superior finish, better dust collection, and quieter operation as compared to straight-knife cutterheads.

Each indexable carbide insert can be rotated up to three times to expose a new sharp edge. You will no longer have to worry about changing and resetting knives every time a blade gets dull.

The indexable carbide inserts are positioned along a helical pattern with the cutting edges at a slight angle to the workpiece for a shearing action that leaves a glassy smooth cut even on the toughest of woods.

The T32058 comes with all 36 inserts on the cutterhead with an additional five inserts and ten Torx screws.

The Grizzly Customer Service and Technical Support Teams are U.S. based.

The T32058 installation instructions were written by our U.S. based Technical Documentation Department and are packed with useful information.

The complete and easy to read instructions makes it easier to change the cutterhead on your planer.


  • Grizzly G0857 8" x 76" Jointers


  • Maximum width of cut: 8"
  • Cutterhead diameter: 3-1/16"
  • Number of indexable carbide inserts: 36
  • Indexable carbide insert size: 15 x 15 x 2.5mm


  • Helical cutterhead assembly
  • Two T-handle Torx drivers T25
  • Ten flat head Torx screws T25 10-32 x 1 /2"
  • Five indexable inserts 15 x 15 x 2.5mm

The H9893—10 Pack of Indexable Carbide Inserts Replacement 15 x 15 x 2.5mm carbide inserts for Model T32057 8" Helical Cutterhead are available at

Note: Helical heads not capable of rabbeting.


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