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HomeJointer Knives

10 Best Jointer Knives Of 2026

Jointer Knives — Reviews, Recommendations & Updated Buying Guide May 2026

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🏆Our Top Pick
POWERTEC 148012 6-Inch HSS Jointer Knives for Craftsman 21788
01
9.9
Exceptional
(3,071 reviews)
🔥 5 interested

POWERTEC 148012 6-Inch HSS Jointer Knives for Craftsman 21788

POWERTEC
DISCOUNTED TODAY

Why We Love It

The best HSS blade choice for Craftsman 21788 jointers
6-inch knives deliver razor-sharp edges every single time
Two-knife set keeps your jointer performing at peak power
9.9
Exceptional
(3,071 reviews)
🔥 5 interested
Available at AmazonShow Offer
Portable Planer Knife Setting Gauge Jointer Planer Knife Setting Jig Planer Knife Depth Adjustment Gauge Setter Woodworking Tool Fits Delta 22-540
02
9.6
Exceptional
(1,673 reviews)

Portable Planer Knife Setting Gauge Jointer Planer Knife Setting Jig Planer Knife Depth Adjustment Gauge Setter Woodworking Tool Fits Delta 22-540

DISCOUNTED TODAY

Why We Love It

Outstanding choice for Delta 22-540 planer owners
Portable gauge eliminates guesswork from knife alignment
Exceptional precision setting tool fits in your toolbox
9.6
Exceptional
(1,673 reviews)
Available at AmazonShow Offer
Portable Planer Knife Setting Gauge Jointer Planer Knife Setting Jig Planer Knife Depth Adjustment Gauge Setter Woodworking Tool
03
9.3
Excellent
(3,349 reviews)

Portable Planer Knife Setting Gauge Jointer Planer Knife Setting Jig Planer Knife Depth Adjustment Gauge Setter Woodworking Tool

DISCOUNTED TODAY

Why We Love It

Excellent option for any jointer planer setup
Portable design travels between workshop stations effortlessly
Strong performer for consistent blade depth adjustment
9.3
Excellent
(3,349 reviews)
Available at AmazonShow Offer
EMILYPRO Jointer Knife Setting Jig Metal Bars with Magnets for 4"-8" Jointer Blades Easy Quick Install
05
8.9
Very Good
(1,607 reviews)

EMILYPRO Jointer Knife Setting Jig Metal Bars with Magnets for 4"-8" Jointer Blades Easy Quick Install

EMILYPRO
DISCOUNTED TODAY

Why We Love It

Magnetic bars grip 4-8 inch jointer blades securely
Excellent option with built-in magnets for quick installation
Strong performer eliminates blade slippage during setup
8.9
Very Good
(1,607 reviews)
Available at AmazonShow Offer
JET Replacement Jointer Knives
06
8.7
Very Good
(854 reviews)

JET Replacement Jointer Knives

JET
DISCOUNTED TODAY

Why We Love It

Solid choice for JJ-6CSX jointer replacements
JET factory-engineered blades ensure perfect fit
Reliable pick for professional-grade jointer maintenance
8.7
Very Good
(854 reviews)
Available at AmazonShow Offer
POWERTEC 14803V 6-Inch HSS Jointer Knives Replacement for Delta 37-658 37-190 37-195 37-205 37-220 37-275X
07
8.5
Very Good
(1,449 reviews)

POWERTEC 14803V 6-Inch HSS Jointer Knives Replacement for Delta 37-658 37-190 37-195 37-205 37-220 37-275X

POWERTEC
DISCOUNTED TODAY

Why We Love It

Solid choice replacing blades for Delta and Jet jointers
Three-knife set handles heavy stock removal tasks
8.5
Very Good
(1,449 reviews)
Available at AmazonShow Offer
EMILYPRO Jointer Planer Blade Sharpener 12" Woodworking Knife Sharpening Jig Aluminum
08
8.4
Good
(1,100 reviews)

EMILYPRO Jointer Planer Blade Sharpener 12" Woodworking Knife Sharpening Jig Aluminum

EMILYPRO
DISCOUNTED TODAY

Why We Love It

Smart budget pick for keeping blades razor-sharp
12-inch blade sharpener handles most jointer knives
Great entry-level investment in blade maintenance
8.4
Good
(1,100 reviews)
Available at AmazonShow Offer
POWERTEC 148020 6-1/8-Inch HSS Jointer Knives for Ridgid JP0610
09
8.2
Good
(4,744 reviews)

POWERTEC 148020 6-1/8-Inch HSS Jointer Knives for Ridgid JP0610

POWERTEC
DISCOUNTED TODAY

Why We Love It

Smart budget pick for Ridgid JP0610 owners
6.125-inch HSS knives deliver consistent jointer performance
Great entry-level three-knife set for regular maintenance
8.2
Good
(4,744 reviews)
Available at AmazonShow Offer
Planer Jointer Knife Setting Jig Gauge Setter
10
8
Good
(4,742 reviews)

Planer Jointer Knife Setting Jig Gauge Setter

Planer
DISCOUNTED TODAY

Why We Love It

Smart budget pick with adjustable magnetic gauge system
Vernier setter ensures micro-precise blade height
Wood storage box keeps tool organized and protected
8
Good
(4,742 reviews)
Available at AmazonShow Offer
CRAFTSMAN Jointer Knives (2-Pack) (CMZW020-2)
11
8
Good
(1,079 reviews)

CRAFTSMAN Jointer Knives (2-Pack) (CMZW020-2)

CRAFTSMAN
DISCOUNTED TODAY

Why We Love It

Practical option for Craftsman jointer blade replacement
Two-pack keeps your jointer ready without downtime
Direct fit for CMZW020-2 compatible machines
8
Good
(1,079 reviews)
Available at AmazonShow Offer

Quick Pick

10 Best Jointer Knives Of 2026

Quick Pick

#1
POWERTEC 148012 6-Inch HSS Jointer Knives for Craftsman 21788, Set of 2

POWERTEC 148012 6-Inch HSS Jointer Knives for Craftsman 21788, Set of 2

View Details
#2
Portable Planer Knife Setting Gauge Jointer Planer Knife Setting Jig Planer Knife Depth Adjustment Gauge Setter Woodworking Tool Fits Delta 22-540

Portable Planer Knife Setting Gauge Jointer Planer Knife Setting Jig Planer Knife Depth Adjustment Gauge Setter Woodworking Tool Fits Delta 22-540

View Details
#3
Portable Planer Knife Setting Gauge Jointer Planer Knife Setting Jig Planer Knife Depth Adjustment Gauge Setter Woodworking Tool

Portable Planer Knife Setting Gauge Jointer Planer Knife Setting Jig Planer Knife Depth Adjustment Gauge Setter Woodworking Tool

View Details
#5
EMILYPRO Jointer Knife Setting Jig Metal Bars with Magnets for 4"-8" Jointer Blades Easy Quick Install - 1pack

EMILYPRO Jointer Knife Setting Jig Metal Bars with Magnets for 4"-8" Jointer Blades Easy Quick Install - 1pack

View Details
#6
JET Replacement Jointer Knives, for JJ-6CSX Jointer (708801)

JET Replacement Jointer Knives, for JJ-6CSX Jointer (708801)

View Details
#7
POWERTEC 14803V 6-Inch HSS Jointer Knives Replacement for Delta 37-658 37-190 37-195 37-205 37-220 37-275X, Jet 708457K JJ-6CS - Set of 3

POWERTEC 14803V 6-Inch HSS Jointer Knives Replacement for Delta 37-658 37-190 37-195 37-205 37-220 37-275X, Jet 708457K JJ-6CS - Set of 3

View Details
#8
EMILYPRO Jointer Planer Blade Sharpener 12" Woodworking Knife Sharpening Jig Aluminum - 1pack

EMILYPRO Jointer Planer Blade Sharpener 12" Woodworking Knife Sharpening Jig Aluminum - 1pack

View Details
#9
POWERTEC 148020 6-1/8-Inch HSS Jointer Knives for Ridgid JP0610, Set of 3

POWERTEC 148020 6-1/8-Inch HSS Jointer Knives for Ridgid JP0610, Set of 3

View Details
#10
Planer Jointer Knife Setting Jig Gauge Setter, Planer Blade Jig, Adjustable Magnetic Planer Jointer Knife blade Vernier Setter Jig Gauge Woodworking Tool with Wood Box

Planer Jointer Knife Setting Jig Gauge Setter, Planer Blade Jig, Adjustable Magnetic Planer Jointer Knife blade Vernier Setter Jig Gauge Woodworking Tool with Wood Box

View Details
#11
CRAFTSMAN Jointer Knives (2-Pack) (CMZW020-2)

CRAFTSMAN Jointer Knives (2-Pack) (CMZW020-2)

View Details

Buying Guide: Jointer Knives

📋 Table of Contents

  1. 1.How do I know what length jointer knives I need?
  2. 2.What's the difference between high-speed steel and carbide jointer knives?
  3. 3.Should I buy a full knife set or individual replacement knives?
  4. 4.What specs matter most when comparing jointer knives?
  5. 5.Is it worth spending more on premium jointer knives?

1How do I know what length jointer knives I need?

Check your jointer's table length — knife length should match it exactly, typically ranging from 4 to 8 inches for benchtop models. Measure the knife slot width too, as knives come in standard thicknesses like 1/8" or 3/32".

2What's the difference between high-speed steel and carbide jointer knives?

Carbide knives stay sharp 10-20 times longer and handle harder woods better, but they're pricier and require careful handling to avoid chipping. High-speed steel knives are affordable and easier to sharpen at home, making them ideal if you maintain tools regularly.

3Should I buy a full knife set or individual replacement knives?

A matched set of 3-4 knives ensures balanced cutting and even board surface, while individual replacements work if you're just swapping one damaged knife. Sets usually offer better value per knife, especially if you need to replace worn blades eventually.

4What specs matter most when comparing jointer knives?

Focus on material (carbide vs. steel), length and thickness compatibility with your machine, and whether they're pre-sharpened. Edge geometry also matters — some knives have beveled backs for easier installation while others are purely straight.

5Is it worth spending more on premium jointer knives?

Premium carbide or specialty steel knives are worth it if you work with hardwoods or run a workshop that uses the jointer daily. For occasional hobbyist use with softwoods, standard high-speed steel knives will serve you fine at a fraction of the cost.

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