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Saw blades

(202 products)

Where every tooth counts. Our saw blades transform raw strength into perfect chips, from the first contact to the last fiber. DeWalt forges power, Diablo hones precision, Lenox extends durability. For Quebec tradespeople who refuse to compromise, every rotation becomes a signature of quality. From the Montreal job site to the Quebec City workshop, your cuts speak louder than words. Because a professional saw blade doesn't just cut material, it shapes your reputation.

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A complete guide to choosing your professional saw blades

Which saw blades are truly suited to your materials and cutting requirements?

Each material requires its own tooth geometry. Blades for softwoods use 24-40 teeth with deep flutes that evacuate large chips, while metal requires 60-80 fine teeth made of high-speed steel (HSS) or carbide that break down particles without generating excessive heat. For aluminum and plastics, choose negative-angle teeth that shear without tearing or melting.

Quebec professionals who alternate between framing and finishing invest in two types of blades: an aggressive 24-tooth blade for quickly cutting 2x4s, and a 60-tooth blade for splinter-free miter cuts on moldings. The difference between a cut that requires sanding and one ready for varnishing lies in the number of teeth per inch (TPI).

DeWalt dominates the job site with its carbide-tipped construction blades that maintain their edge through 200 linear feet of treated lumber. Diablo revolutionizes finishing with its TiCo technology, which combines titanium and cobalt for 40% greater hardness than standard blades. Lenox excels in metal cutting with its bi-metal blades that flex without breaking under vibration.

The blade diameter directly influences the cutting depth: a 7¼-inch blade penetrates 2⅜ inches at a 90-degree angle, ideal for standard joists, while a 10-inch blade cuts through 3½ inches for beams. The bore (center hole) must match the arbor of your saw exactly, typically ⅝ inch for portable saws and 1 inch for bench saws.

How does carbide transform the longevity and performance of your circular saw blades?

Tungsten carbide radically changes the economic equation. A standard steel blade dulls after 500-800 feet of cutting in hardwood, requiring sharpening to 15-25. A carbide-tipped blade maintains its edge through 8,000-12,000 feet, or 15 times longer, justifying its 40-60 price difference with its extended lifespan.

The precise composition matters: C3/C4 tungsten carbide withstands temperatures up to 900°C without losing its Rockwell hardness of 75-80 HRC, compared to 60-65 HRC for high-speed steel, which softens at 200°C. This thermal resilience explains why carbide blades can cut through buried nails and tough knots without chipping their teeth.

The brazing that secures the carbide tips to the steel body determines reliability: silver-copper brazing withstands impacts without cracking, while cheaper brazing fails under repeated stress. Diablo uses a patented tri-metal brazing alloy that absorbs the differential thermal expansion between the steel body and the carbide tips.

Advanced geometries optimize every aspect: laser expansions on the body reduce vibrations that create waviness, anti-friction grooves decrease resistance by 30%, and Teflon coatings prevent resin buildup that increases friction and overheats the blade. Investing in these technologies eliminates burns on miter cuts and extends the intervals between professional sharpenings.

Which tooth technology maximizes speed without compromising finish?

The ATB (Alternate Top Bevel) geometry excels in versatile applications with its teeth beveled alternately to the left and right, creating a shear that slices through fibers instead of tearing them. The bevel angle varies depending on the use: 10-15 degrees for high-speed cutting, 20-25 degrees for splinter-free cuts in veneers and melamine. Each additional degree improves the finish but increases strength and slows the feed rate.

Combination (Combo) blades alternate sets of four ATB (All-Tier) teeth with a single FT (Flat Top) tooth that cleans the bottom of the groove. This versatile configuration excels from rough cutting to fine crosscuts, which explains why 60% of professionals choose this profile as their primary blade. DeWalt offers a 40-tooth Combo that balances speed and finish for carpenters who dislike constantly changing blades.

Triple Chip Grind (TCG) technology revolutionizes the cutting of abrasive materials such as melamine, aluminum, and reinforced plastics. A trapezoidal tooth roughs the cut, followed by a square tooth that smooths the sides. This alternating action eliminates tearing on fragile laminated surfaces. Diablo manufactures TCG blades specifically calibrated to cut through melamine-faced plywood panels without chipping the edges.

Micro-calibrated laser expansions on the body keep the blade perfectly flat, even when it reaches 80°C during prolonged cutting. Without these strategic slots, thermal expansion creates a bulge that shifts the blade and produces curved cuts. Lenox incorporates this technology even on its economy blades to guarantee dimensional accuracy.

How many teeth actually optimize your specific professional cutting applications?

The fundamental rule dictates that at least three teeth must be engaged simultaneously in the material to prevent vibration and tear-out. For wood: 24-40 teeth quickly cuts beams and joists, 40-60 teeth balance speed and finish for general applications, and 60-80 teeth produce varnish-ready surfaces on moldings and visible joints.

Metal reverses this logic: the harder and thinner the material, the thinner and denser the blade needs to be. ⅛-inch steel requires 80-100 TPI (teeth per inch) to prevent the teeth from catching and tearing off pieces. Thick aluminum (1/2 inch+) performs best with 40-60 teeth, which efficiently evacuate chips without clogging the flutes. The rule of thumb: material thickness (inches) × 100 = minimum TPI.

Hollow tubes and profiles pose a challenge for many professionals: an overly aggressive blade with widely spaced teeth will catch violently on entry and exit, creating dangerous vibrations. MK Morse manufactures specific profile blades with 60+ teeth and a reduced cutting angle that shear smoothly without impact. This specialization eliminates the oval deformations that complicate assembly.

The rotation speed interacts directly with the number of teeth: 5000 RPM × 60 teeth = 300,000 cuts per minute. Increasing the number of teeth without reducing the feed rate overheats the blade and burns the material. Variable-speed saws optimize this equation: slow down to 3500 RPM with an 80-tooth blade for ultra-fine cuts, and accelerate to 6000 RPM with a 24-tooth blade for ripping beams.

How to extend the lifespan and maintain optimal performance of your blades?

Regular cleaning preserves the edge more effectively than sharpening. Pine and cedar resin accumulates on the teeth and solidifies into a crust that increases friction by 40-60%, straining the motor and overheating the blade. Immerse your blades in a commercial degreaser or a 10% ammonia solution for 15-30 minutes, then brush with a brass brush that cleans without scratching the carbide.

Professional sharpening restores carbide blades for $12-18 compared to $60-120 for a new blade. After 5-8 sharpenings, the carbide tips become too small and require replacement, but this represents 40,000-60,000 feet of cutting for a premium blade. Lenox offers a certified sharpening service that maintains the original angles and verifies flatness.

Proper storage prevents costly damage: hang blades individually on wall hooks with plastic tooth protectors, or use rigid cases that separate each blade. A tooth chipped by contact with another blade creates a line in each cut and propagates cracks in the carbide during subsequent impacts.

Visual inspection before each use detects problems before they worsen: check for cracked or missing teeth that unbalance the blade, examine the warp (lateral deformation) by rotating the blade against a flat surface, and listen for abnormal vibrations that indicate an imbalance requiring correction by a specialist. Makita recommends immediately replacing any blade with 3 or more damaged teeth to prevent catastrophic breakage.

Optimization accessories include stabilizers that reduce lateral vibration on larger 10-12 inch blades, zero-clearance table inserts that support the fibers to the last millimeter and eliminate splintering, and push sticks that keep your hands at least 6 inches from the blade. Safety and performance go hand in hand.
Saws Cordless Tools Cutting tools Grinders Drills and screwdrivers Measuring tools Sanders and polishers Diablo Compressors DeWALT Vacuum Cleaners Cutting oils Squares

We answer your questions about saw blades

What saw blade should I choose between a blade for wood and a blade for metal?

Your material absolutely dictates the type of blade required.

For wood:

  • 24-40 teeth: fast cutting (framing, joists)
  • 40-60 teeth: general purpose versatility
  • 60-80 teeth: splinter-free finish (moldings, miters)

For metal:

  • 60-80 teeth minimum in high-speed steel (HSS) or carbide
  • Reduced speed to avoid overheating
  • Mandatory lubrication to extend lifespan

Critical advice: A wood blade used on metal dulls instantly and becomes dangerous. A metal blade on wood cuts slowly but works without damage.

Combination blades offer an acceptable compromise for small mixed projects, but professionals who cut daily invest in specialized blades to optimize speed and finish.

How much should I invest in a quality professional saw blade?

The budget depends directly on your volume and requirements.

Realistic price ranges:

  • Entry-level blades: $15-30 (occasional use, soft materials)
  • Professional blades: $40-80 (daily use, versatility)
  • Premium carbide blades: $80-150 (high performance, maximum longevity)

Cost per foot calculation:
A Diablo blade $60 that cuts 10,000 feet = 0.6¢/foot
An economy blade $20 that cuts 1,500 feet = 1.3¢/foot

The premium investment pays for itself after 3000-4000 feet of cutting. For a carpenter who cuts 500 feet/week, the premium blade amortizes in 6-8 weeks while offering superior cuts requiring less finishing.

Recommended budget: Start with a $50-70 combination blade as your main blade, add a specialized blade according to your dominant application.

What blade is suitable for cutting treated wood and decking materials?

Treated wood requires reinforced blades resistant to corrosive chemicals.

Essential specifications:

  • Carbide tips mandatory (standard steel corrodes quickly)
  • 24-40 teeth to evacuate wet and sticky sawdust
  • Anti-friction coating to reduce resin buildup
  • Laser expansions to dissipate heat from prolonged cuts

Recommended brands for treated:
DeWalt offers construction blades specifically formulated to resist treatment agents like ACQ and CA-C that accelerate wear on ordinary blades.

Diablo manufactures blades with Perma-Shield coating that repels moisture and prevents rust between uses.

Critical maintenance:

  • Clean immediately after use (chemicals attack carbide)
  • Oil lightly before storage
  • Replace as soon as you notice burns (sign of dull teeth)

Composite wood (Trex, TimberTech) requires TCG (Triple Chip Grind) blades that prevent tearing on laminated surfaces.

How do I know when my saw blade needs sharpening or replacement?

Seven signs never lie about your blade's condition.

Indicators sharpening is needed:

  1. Burns on cuts - Dull teeth friction instead of slicing
  2. Increased effort - You must push the saw instead of it advancing naturally
  3. Smoke during cutting - Excessive friction generating heat and odor
  4. Increased splintering - Round teeth tear rather than shear
  5. Modified noise - High-pitched whistle replacing normal cutting sound

Indicators mandatory replacement:

  • 3+ broken or missing teeth (dangerous imbalance)
  • Visible cracks in blade body
  • Permanent deformation (warp exceeding 0.5mm)
  • Carbide worn down to steel body (after 6-10 sharpenings)

Professional sharpening frequency:
Intensive daily use: every 2-3 months
Moderate weekly use: every 6-8 months
Occasional use: annually or 5000+ feet

Professional sharpening costs $12-18 versus $60-120 for a new blade, making preventive maintenance economically logical.

Are carbide blades really worth their higher price for my usage?

The cost-benefit analysis depends on three critical factors.

Annual cutting volume:

  • Less than 2000 feet/year: steel blades sufficient ($20-30)
  • 2000-10,000 feet/year: entry carbide recommended ($40-60)
  • More than 10,000 feet/year: premium carbide mandatory ($80-120)

Measurable carbide advantages:

  • Duration 10-15× superior to standard steel
  • Maintains sharpness in abrasive materials (treated, OSB, MDF)
  • Resistance to embedded nails and staples
  • Cleaner cuts requiring less finishing
  • Fewer stops for changing/sharpening

Break-even calculation:
Steel blade $25 + sharpenings $15 × 3 = $70 for 3000 feet
Carbide blade $65 + sharpenings $15 × 1 = $80 for 12,000 feet

After 5000 feet of cutting, carbide becomes more economical while offering consistently superior quality.

Verdict for Quebec professionals:
If you bill for your cutting services, the time saved by carbide performance and reduction in touch-ups justifies the investment from the first medium-sized project.

What warranty can I expect on my professional saw blades?

Warranties vary significantly by manufacturer.

Industry standard coverage:

DeWalt:

  • Limited lifetime warranty against manufacturing defects
  • Covers teeth that detach in normal use
  • Excludes normal wear and impacts against nails/metal

Diablo:

  • Limited lifetime warranty on carbide blades
  • Replacement if brazing or body failure
  • Guaranteed sharpening service respecting original specifications

Lenox:

  • 1-2 year warranty depending on range
  • Coverage for material and assembly defects
  • Accelerated replacement program for registered professionals

What VOIDS warranties:

  • Use on inappropriate material (wood blade on metal)
  • Excessive speed exceeding indicated maximum RPM
  • Visible overheating (blue discoloration of carbide)
  • Modifications or non-professional sharpening

Protecting your investment:
Keep your proof of purchase and immediately photograph any suspected defect before prolonged use. Manufacturers generally honor their warranties without hassle if damage clearly results from a manufacturing defect.

Équipement Polar facilitates warranty claims by coordinating directly with manufacturers to accelerate replacements.

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