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Direct replacement blades for the DW734 12-1/2-inch thickness planer, with tough M2 tool steel and locator pins for fast, accurate changes.
Categories : tools
SKU : WOR-TOO-382
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The DEWALT DW7342 Planer Blades are the replacement knife set for the DEWALT DW734 12-1/2-inch thickness planer. Built from M2 laminated tool steel, these disposable yet reversible blades stay sharp significantly longer than conventional high-speed steel, keeping your planer producing glass-smooth surfaces. Whether you're a weekend woodworker or a pro on a jobsite, these blades offer an easy, drop-in upgrade when sharpening or rotation isn't enough.
Each DW7342 blade is precision-ground with a clean, consistent edge. The M2 steel blend resists wear and heat, so you spend less time replacing knives and more time running boards. The set includes the distinctive machined locator pins that align the blade in the cutter head automatically, eliminating the guesswork and tedious measuring that come with cheaper blades.
Getting the blade orientation right is critical for safe, clean cuts. The beveled cutting edge must face the direction of the cutter head rotation—usually pointing up toward the infeed table. The machined locator pins ensure the blade seats at the correct height and angle, so you simply slide the blade into the cutter head slot, push down lightly, and tighten the locking screws. Reversible? Yes. When the first edge dulls, flip the blade and repeat the same simple alignment process.
M2 is a high-speed tool steel that keeps a sharp edge at elevated temperatures. Many economy blades use annealed steel or basic HSS, which loses edge retention quickly. The laminated construction in the DW7342 combines toughness with a durable cutting edge, giving you better results across both softwoods and hardwoods, including maple, oak, and even abrasive exotic species.
Designed exclusively for the DEWALT DW734 12-1/2" thickness planer, the DW7342 blades drop into the cutter head without modification. Verify that your planer model is DW734 before purchasing.
M2 laminated steel stays sharp up to 2x longer than HSS blades
Machined locator pins make alignment easy and accurate
Reversible design gives you two cutting edges per blade
Precision-ground edges for smooth, tear-out-free planing
Model: DW7342
Material: M2 Laminated Tool Steel
Reversible: Yes
Blade Length: 12.5 in (31.75 cm)
Product Type: Planer Blades
Compatibility: DEWALT DW734 12-1/2 in Thickness Planer
Package Quantity: 2 blades
Seller: Workbench World
MPN: DW7342
The DW7342 uses M2 laminated tool steel—a premium high-speed steel that holds a cutting edge longer and resists heat better than economy blades. In real-world use, that means more boards between changes and a more consistent finish.
Always store blades flat and dry. A light coat of machine oil prevents corrosion, and the included protective package keeps edges away from tools and dust.
The beveled edge should face the direction of the cutter head rotation. The machined locator pins make orientation foolproof. Place the pins in the slots and the blade will sit correctly.
Yes, each blade has two cutting edges. When one edge dulls, reverse the blade to use the second edge.
When you notice tear-out or a rough finish, or when the blades no longer produce clean shavings. Dull blades also increase motor strain.
They are engineered specifically for the DW734 12-1/2" planer, so use them only with that model.
These blades dropped right into my DW734. No gaps, no adjustments beyond the locator pins. I've planed about 300 board feet of oak and they're still cutting clean.
These are solid replacement blades. My old ones were dull and these have held up through some big-box lumber.
