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 G0947 8" Benchtop Jointer
SheartakUpgrade Grizzly G0947 8" Benchtop Jointer with Spiral Cutterhead Take your Grizzly G0947 8" Benchtop Jointer into a high-performance woodworking to...
View full detailsSpiral Cutterhead for Grizzly G0725 6 inch Jointer
SheartakThe Spiral Helical Cutter head for Grizzly G0725 6 inch Jointer is installed with 24 carbide inserts. Each insert has four R150 round edges. The i...
View full detailsSpiral Cutterhead for GRIZZLY G0890/G891 15-inch Planer
Sheartak5.0 / 5.0
1 Review
Sheartak Spiral Cutter head for GRIZZLY G0890/G0891 15-inch Planer with 80 Carbide inserts The spiral cutterhead is equipped with 80 carbide inser...
View full detailsHelical cutterhead for Grizzly G0490W 8" Jointer
SheartakHelical cutterhead for Grizzly G0490W 8" Jointer with 14x14x2mm Carbide Inserts * Much glossier surface finish than with old fashioned single ed...
View full detailsSpiral Cutterhead for GRIZZLY G1018 8" Jointer
SheartakSheartak Spiral Cutter head for GRIZZLY G1018 8" Jointer Woodworkers are upgrading their old planers and jointers by retrofitting them with s...
View full detailsSpiral Cutterhead for GRIZZLY G1033 20-inch Planer
SheartakSheartak Spiral Cutterhead for GRIZZLY G1033 20-inch Planer comes with a total of 100 carbide inserts on 5 spirals. 5 extra carbide inserts and 5 s...
View full detailsSpiral Cutterhead for GRIZZLY G1018 8" Jointer, 20 years old
Sheartakpiral Cutterhead for GRIZZLY G1018 8" Jointer (Approx. 20 Years Old) Many woodworkers are now upgrading their older jointers and planers with spira...
View full detailsIndexable Carbide Insert 14x14x2mm for Grizzly H7319
SheartakReplacement Indexable Carbide Insert 14x14x2mm - 10 Pack Compatible with Grizzly H7319 Keep your Grizzly woodworking tools performing at their best...
View full detailsSpiral Cutterhead for Grizzly 6" Benchtop Jointer G0946
SheartakSpiral Helical Cutter head for Grizzly 6" Benchtop Jointer Model G0946 is installed with 20 carbide inserts. Each insert has four R150 round edges....
View full detailsShearak Spiral Cutterhead for Grizzly G0945 6" Benchtop Jointer
SheartakSheartak Spiral Cutterhead for Grizzly G0945 6" Benchtop Jointer Woodworkers are upgrading their old planers and jointers by retrofitting them with...
View full detailsHelical Cutterhead for Grizzly G0453 15inch Planer
Sheartak5.0 / 5.0
2 Reviews
The helical cutterhead for Grizzly G0453 15" Planer is a great upgrade to replace the straight-blade cutter head. The cutter block is made of high ...
View full detailsHelical Cutterhead for Grizzly G0453W 15inch Planer
SheartakHelical Cutterhead for GRIZZLY 15" G0453W Planer15" Planer A helical cutterhead for a 15-inch planer is a great upgrade. Replace your straight-b...
View full detailsHelical cutterhead for Grizzly 8" Jointer G0656W
Sheartak5.0 / 5.0
1 Review
Helical cutterhead for Grizzly 8" Jointer G0656W with 14x14x2mm Carbide Inserts * Much glossier surface finish than with old fashioned single edge...
View full detailsSpiral Cutterhead for GRIZZLY G0452 6'' Jointer
SheartakSpiral Cutter head for GRIZZLY G0452 6'' Jointer with 30 Carbide Inserts Woodworkers are now retrofitting spiral cutter heads to their old pla...
View full detailsSpiral Cutterhead for GRIZZLY G1182 6'' Jointer
Sheartak5.0 / 5.0
1 Review
Sheartak Spiral Cutter head for GRIZZLY G1182 6'' Jointer with 30 carbide inserts Woodworkers are now retrofitting spiral cutter heads to their old...
View full detailsSpiral Cutterhead for Grizzly G0889 - 13" 2 HP Benchtop Planer
SheartakThe Spiral Cutter head for Grizzly G0889 - 13" 2 HP Benchtop Planer is equipped with 48 carbide inserts. Each carbide insert has 4 indexable e...
View full detailsSpiral Cutterhead for Grizzly G0675 Jointer Planer
SheartakThe Spiral Cutter head for Grizzly G0675 Jointer Planer is equipped with 55 carbide inserts. Each carbide insert has 4 indexable edges. The carbide...
View full detailsSet of Bearings for Grizzly G7123Z Planers
SheartakSet of Bearings for Grizzly G7123Z Planers Machines are typically equipped with high-quality bearings. If you have proper bearing pullers and are a...
View full detailsGrizzly
Sheartak ToolsWelcome to Sheartak’s Grizzly woodworking tools collection, focused on high-performance spiral cutterhead upgrades designed especially for Grizzly ...
View full detailsSheartak Spiral Cutterhead for Grizzly G5850Z 20" Planer - Full Set of Carbide Blades
SheartakSpiral Cutterhead for Grizzly G5850Z 20" Planer (with Full Set of Carbide Inserts) The original G5850Z cutterhead uses four straight blades that re...
View full detailsSheartak Spiral Cutterhead for Grizzly G7213Z 24" Planer - Full Set of Carbide Blades
SheartakSpiral Cutterhead for Grizzly G7213Z 24" Planer (Includes Full Set of Carbide Inserts) Upgrade your Grizzly G7213Z planer with a spiral cutterhead ...
View full detailsSheartak Spiral Cutterhead for Grizzly G5851Z 24" Planer - Full Set of Carbide Blades
SheartakSpiral Cutterhead for Grizzly G5851Z 24" Planer (with Full Set of Carbide Inserts) The original G5851Z cutterhead uses four straight blades that re...
View full detailsCarbide Inserts for Grizzly H9893 15X15X2.5MM 4 Indexable Edges
SheartakH9893 Replacement Indexable Carbide InsertsKeep your Grizzly woodworking tools performing at their best with the replacement carbide inser...
View full detailsSpiral Cutterhead for Grizzly G0940 13 Inch Benchtop Thickness Planer
SheartakSpiral Cutterhead for Grizzly G0940 13 Inch Benchtop Thickness Planer Woodworkers are now retrofitting spiral cutter heads to their old planers, an...
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