Grizzly
Welcome to Sheartak’s Grizzly woodworking tools collection, focused on high-performance spiral cutterhead upgrades designed especially for Grizzly machines. These precision mechanical components bring professional-level cutting quality, durability, and efficiency to your workshop.
Each cutter head in this range uses multiple rows of indexable carbide inserts arranged in a spiral pattern, delivering a shear-cutting action that reduces tear-out and produces a consistently smooth surface. This makes them an ideal choice among woodworking tools for both planers and jointers.
The spiral design not only improves finish, but also helps minimize noise: because only a few inserts make contact at a time, your machine runs more quietly and with less vibration. And thanks to the indexable inserts, you can rotate to a fresh cutting edge when one side dulls — meaning lower maintenance costs.
Furthermore, the helical arrangement generates fine wood chips that are easily evacuated by dust-collection systems, helping keep your workspace clean. For those using a spiral cutterhead jointer, this collection offers a robust, high-efficiency upgrade that extends tool life and boosts performance.

Spiral Cutterhead for Grizzly G0939 13-Inch Benchtop Thickness Planer with 40 knives
Sheartak ToolsSpiral Cutterhead for Grizzly G0939 13-Inch Benchtop Thickness Planer with 40 knives Spiral Cutterhead for Grizzly G0939 13-Inch Thickness Planer ...
View full detailsSpiral Cutter head for Grizzly G0857 8" x 76" Parallelogram Jointer
Sheartak ToolsSpiral Cutter head for Grizzly G0857 8" x 76" Parallelogram Jointer Spiral Cutter head for Grizzly G0857 Parallelogram Jointer comes with carbide ...
View full detailsSpiral Cutterhead for Grizzly G1307Z, 1307, 13" Planer Moulder 70 Carbide Cutters
SheartakRevolutionize Grizzly G1307Z 13" Planer Moulder with spiral cutterheads for the following benefits. * Better quality finish with no tear-out. All t...
View full detailsSpiral Cutterhead for GRIZZLY G0815 Heavy Duty 15" Planer
SheartakSpiral Cutter head for GRIZZLY G0815 Heavy Duty 15" Planer with 80 Carbide Inserts on 5 spirals. 5 extra carbide inserts and 5 screws are provided ...
View full detailssheartak-helical-cutterhead-grizzly-g1033z-20-inch-planer
SheartakSheartak Spiral Cutterhead for Grizzly g1033z 20-inch planer comes with a total of 100 carbide inserts on 5 spirals. 5 extra carbide inserts and 5 ...
View full detailsSpiral Cutterhead GRIZZLY G0656P 8 inch Jointer
Sheartak5.0 / 5.0
1 Review
Spiral Cutter head GRIZZLY G0656P 8 inch Jointer Woodworkers are now retrofitting spiral cutter heads to their old planers, and jointers for the fo...
View full detailsSpiral Cutterhead for GRIZZLY G0453 15-inch Planer
Sheartak5.0 / 5.0
1 Review
Sheartak Spiral Cutter head for GRIZZLY G0453 15-inch Planer with 5 extra carbide inserts and 5 screws are provided as spare parts. Two Japan made...
View full detailsSpiral Cutterhead for GRIZZLY G0550 15" Planer
Sheartak5.0 / 5.0
1 Review
Sheartak Spiral Cutter head for GRIZZLY G0550 15" Planer with 5 extra carbide inserts and 5 screws are provided as spare parts. Two Japan-made N...
View full detailsSpiral Cutterhead for GRIZZLY G0454 20-inch Planer
SheartakSheartak Spiral Cutterhead for GRIZZLY G0454 20-inch Planer comes with a total of 100 carbide inserts on 5 spirals. 5 extra carbide inserts and 5 s...
View full detailsHelical Cutterhead for Grizzly 20" planer G0454W
Sheartak5.0 / 5.0
1 Review
Helical Cutterhead Fits Grizzly 20" planer G0454W * Much glossier surface finish than with old-fashioned single edge blade. * Dramatically...
View full detailsSpiral Cutterhead for GRIZZLY G0654 6'' Jointer
SheartakSpiral Cutter head for GRIZZLY G0654 6'' Jointer with 30 Carbide Inserts Woodworkers are now retrofitting spiral cutter heads to their old plan...
View full detailsSpiral Cutterhead for GRIZZLY G0526 6'' Jointer
SheartakSpiral Cutter head for GRIZZLY G0526 6'' Jointer with 30 Carbide Inserts Woodworkers are now retrofitting spiral cutter heads to their old planer...
View full detailsSpiral Cutterhead for GRIZZLY G0500 8" Jointer
SheartakSpiral Cutter head for GRIZZLY G0500 8" Jointer Woodworkers are upgrading their old planers and jointers by retrofitting them with spiral cu...
View full detailsSpiral Cutterhead for GRIZZLY G0586 8" Jointer
SheartakSpiral Cutter head for GRIZZLY G0586 8" Jointer with 40 Carbide Inserts Woodworkers are now retrofitting spiral cutter heads to their old plane...
View full detailsSpiral Cutterhead for GRIZZLY 8'' Jointer G0490X
SheartakSheartak Spiral Cutterhead for GRIZZLY 8'' Jointer G0490X Woodworkers are now retrofitting spiral cutter heads to their old planers, and jointers ...
View full detailsSpiral Cutterhead for GRIZZLY 8'' Jointer H8803
SheartakSheartak Spiral Cutter head for GRIZZLY 8'' Jointer H8803 Woodworkers are now retrofitting spiral cutterheads to their old planers, and jointers fo...
View full detailsSpiral Cutterhead for GRIZZLY G0609X 12-inch Jointer
SheartakSheartak Spiral Cutterhead for GRIZZLY G0609X 12-inch Jointer 6 spirals 80 knives Woodworkers are now retrofitting spiral cutterheads to their...
View full detailsM2 HSS Planer Knives 20-inch 4pcs/set for Shop Fox 1754, Jet 208, Grizzly G6702 Planer
SheartakM2 HSS Planer Knives 20-inch 4pcs/set for Shop Fox 1754, Jet 208, Grizzly G6702 Planer These industrial standard planer knives are made of HSS...
View full detailsM2-HSS Planer Knives 3pcs/set for Grizzly G6698 , Oliver 8" jointers
SheartakM2-HSS Planer Knives 3pcs/set for Grizzly G6698 , Oliver 8" jointers These industrial standard planer knives are made of HSS, heat treated, ...
View full detailsSpiral Cutterhead for GRIZZLY 6'' Jointer, G0814
Sheartak5.0 / 5.0
1 Review
Sheartak Spiral Cutter head for GRIZZLY 6'' Jointer, G0814 Woodworkers are now retrofitting spiral cutter heads to their old planers, and jointer...
View full detailsSpiral Cutterhead for Grizzly G0604 6" Jointer
SheartakRevolutionize your Grizzly G0604 6" Jointer with spiral cutterheads for the following benefits. * Better quality finish with no tear-out. All t...
View full detailsSpiral Cutterhead for Grizzly G0604X 6" Jointer
SheartakRevolutionize your Grizzly G0604X 6" Jointer with spiral cutterheads for the following benefits. * Better quality finish with no tear-out. All ...
View full detailsSpiral Cutterhead for Grizzly G0452Z 6" Jointer
SheartakSheartak Spiral Cutterhead for Grizzly G0452Z 6" Jointer with 30 carbide knives Retrofit your 6" jointer and you will be thrilled at its phenom...
View full detailsSpiral Cutterhead for Grizzly G0452P 6“ Jointer
SheartakSheartak Spiral Cutterhead for Grizzly G0452P 6” Jointer with 30 carbide inserts Retrofit your 6" jointer and you will be thrilled at its pheno...
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