Jigsaw Buying Guide: Blade Action, Speed, and Material Matching
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A jigsaw cuts curves, notches, and interior cutouts that no straight-cutting saw can handle. It is the go-to tool for sink cutouts in countertops, curved furniture parts, circular holes in shelving, and any cut that changes direction mid-pass. Jigsaws are also one of the most forgiving power saws to learn on. The blade is thin, the cutting speed is moderate, and the tool does not kick back the way circular saws and table saws can. For a beginner building confidence with power tools, a jigsaw is a safe and versatile starting point.
How Orbital Action Works
Standard jigsaw action moves the blade straight up and down in a simple reciprocating motion. The teeth cut on the upstroke and the blade clears the kerf on the downstroke. This produces a clean cut but moves through material slowly. Orbital action changes the equation by adding a forward elliptical motion on the upstroke, pushing the blade into the material as it cuts upward. On the downstroke, the blade pulls slightly back from the cut face. This clears chips faster and increases cutting speed significantly in wood.
Most jigsaws offer 3 or 4 orbital settings controlled by a dial or lever on the side of the tool. Setting 0 is straight reciprocation with no forward motion. Settings 1 through 3 (or 1 through 4) increase the orbit size progressively. Each step up makes the blade more aggressive in its forward swing.
Higher orbital settings cut faster in wood but produce rougher edges because the blade tears at the material instead of shearing it cleanly. Use maximum orbit for rough framing cuts, demolition, and situations where edge quality does not matter. Use zero or low orbit for finish cuts in hardwood, laminate countertops, and metal where edge smoothness is critical. The sweet spot for general wood cutting is usually orbital setting 2, which provides a good balance of speed and cut quality.
When cutting metal or ceramic tile, always use zero orbit. The forward swing slams the blade teeth into hard material at a steep angle, which shortens blade life dramatically and produces a rough, burred edge. Straight reciprocation lets each tooth shear the material cleanly.
Blade Types and Selection
T-shank blades snap into the blade clamp without any tools. A lever or button on the saw opens the clamp, you insert the blade tang, and release. Nearly every modern jigsaw manufactured in the last 15 years uses the T-shank system. If you are shopping for blades, T-shank is the default. Avoid U-shank blades unless you have an older saw that specifically requires them. U-shank blades use a set screw to hold the blade, which is slower to change and more prone to slipping under load.
High-carbon steel (HCS) blades are the standard choice for cutting wood, plywood, MDF, and plastic. They are inexpensive (often $1 to $2 per blade in multi-packs), flex well for curved cuts, and come in a range of tooth counts. Use 6 TPI (teeth per inch) blades for rough, fast cuts in construction lumber. Use 10 to 12 TPI blades for smoother results in hardwood and plywood where edge quality matters. HCS blades dull faster than bi-metal blades but cost so little that replacement is painless.
Bi-metal blades combine a flexible carbon steel body with hardened high-speed steel teeth. They cut metal, nail-embedded wood, and mixed materials. The flexible body resists breaking during curved cuts while the hardened teeth stay sharp through abrasive materials. Use 14 to 24 TPI for thin sheet metal (higher TPI for thinner material, so at least 3 teeth are in contact at all times). Use 8 to 10 TPI for thicker material like angle iron or pipe.
Carbide-grit blades cut ceramic tile, cement board, and fiberglass. They have no teeth at all. Instead, they use an abrasive carbide-coated edge that grinds through hard, brittle materials. Cuts are slow and produce fine dust, but the results are effective. Wear a dust mask when cutting tile or cement board with any blade.
Reverse-tooth blades have teeth that point downward instead of upward. They cut on the downstroke instead of the upstroke, which pulls the material down against the baseplate instead of lifting it. This reduces tearout on the top surface of the workpiece. Use reverse-tooth blades for laminate countertops and finished panels where the visible face is up and chip-free edges are required. The trade-off is slightly slower cutting and more vibration since the cutting action works against the blade's natural motion.
Corded vs Cordless
Corded jigsaws typically draw 5 to 7 amps and deliver consistent, uninterrupted power throughout long cuts. They never run out of charge and they weigh less than cordless models because there is no battery pack hanging off the back. For dedicated shop use where an outlet is always within reach, corded is simple, reliable, and less expensive. A quality corded jigsaw from Bosch, Makita, or DeWalt costs $80 to $150.
Cordless jigsaws on 18V/20V platforms deliver cutting speed comparable to corded models in most materials. Battery life is adequate for typical projects. A 5Ah battery handles dozens of cuts in 3/4-inch plywood before needing a recharge. The convenience of cordless operation matters most when making overhead cuts, working on a ladder, cutting in a crawl space, or working at a location where extension cords are impractical. No cord also means no snagging on the workpiece or bench during intricate curved cuts.
If you already own batteries in a cordless tool platform (DeWalt 20V MAX, Milwaukee M18, Makita 18V LXT, Ryobi ONE+), the bare-tool cordless jigsaw on that same platform is the obvious choice. You share batteries with your drill, impact driver, and other tools. If this is your very first power tool purchase with no existing batteries, a corded jigsaw saves money and never runs out of power at an inconvenient moment.
Features That Matter
Variable speed control is essential. It lets you match blade speed to the material you are cutting. Slow speeds (500 to 1,000 SPM) for metal, medium speeds (1,500 to 2,500 SPM) for hardwood and laminate, and full speed (2,500 to 3,100 SPM) for softwood and rough cuts. Some jigsaws use trigger sensitivity alone for speed control. Others add a separate speed dial that sets the maximum speed, and the trigger modulates within that range. The dial-plus-trigger system gives the most precise control.
A dust blower clears sawdust from the cut line so you can see your pencil mark or scribed line while cutting. Some saws use a built-in blower driven by the motor's cooling fan. Others provide a dust port for connecting to a shop vacuum. The blower is more practical for freehand curved cuts where a vacuum hose would restrict movement and pull the saw off line. The vacuum connection is better for straight cuts on a bench where dust collection matters.
Tool-free blade change is standard on every modern T-shank jigsaw. A lever or button releases the blade instantly, and a new blade snaps in. This matters when you frequently switch between wood and metal blades during a project, or when you need to replace a dull blade mid-cut. Any saw that requires an Allen wrench or screwdriver for blade changes is outdated.
The base plate bevel tilts the saw's base for angled cuts, usually up to 45 degrees in both directions. This is useful for coping cuts, bevel cuts on countertops, and decorative edges. Check that the bevel mechanism locks firmly with positive detents at common angles (0, 15, 30, 45 degrees). A sloppy bevel detent that shifts during cutting produces inaccurate angles and frustration.
LED work lights illuminate the cut line directly ahead of the blade. They are helpful in dim workshop conditions or when cutting inside a cabinet. An LED light is not a deciding factor between two otherwise equal saws, but it is a nice addition that you will appreciate more than you expect.
Cutting Technique
Let the saw do the cutting. This is the single most important technique for jigsaw work. Pushing too hard on the saw causes blade deflection, where the thin blade bends under pressure and angles away from vertical. The result is a cut that looks straight on top but is angled underneath, so the top and bottom edges do not align. Blade deflection also shortens blade life and can snap blades entirely. Feed the saw at a pace where the blade is moving freely without binding or slowing down.
For interior cutouts, like a sink opening in a countertop, drill a starter hole larger than the blade width in the waste area. Insert the blade into the hole and cut from there to your layout line. Some jigsaws support plunge cutting, where you tip the saw forward on the front edge of the baseplate and slowly lower the running blade into the material. This eliminates the need for a starter hole but takes practice. Try it on scrap plywood first before plunging into your granite-look laminate countertop.
For curves, use a narrower blade. Standard blades handle gentle curves with radii of 3 inches or more. Scrolling blades, which are only 3/16 inch wide, cut tight radii down to about 1/2 inch. The tighter the curve, the narrower the blade needs to be. Forcing a wide blade through a tight curve causes the blade to twist and the cut to wander.
Support the offcut to prevent tearout at the end of the cut. When the offcut piece is unsupported, it drops as the final bridge of material is cut, snapping off and leaving a rough, splintered edge. Clamp the workpiece so neither the main piece nor the offcut can fall. For large cutouts, have a helper support the waste piece as you complete the cut.
Frequently Asked Questions
Can a Jigsaw Cut Straight Lines?
Yes, but it requires a guide. Clamp a straightedge (a straight board, a metal rule, or a commercial cutting guide) parallel to the cut line and run the jigsaw's baseplate against it. Without a guide, freehand straight cuts tend to wander because the thin blade has no lateral rigidity. For long straight cuts in sheet goods, a circular saw with a track or edge guide is faster and more accurate than a jigsaw.
Why Does My Jigsaw Cut at an Angle?
Blade deflection is the most common cause. The blade bends during the cut, so the bottom of the kerf is offset from the top. This problem gets worse with dull blades, excessive feed pressure, high orbital settings, and thin or worn blades. To fix it, use a thicker or newer blade, reduce how hard you push the saw, lower the orbital setting to 0 or 1, and verify that the baseplate is square to the blade. Check squareness with a small combination square held against the blade (with the saw unplugged).
What Jigsaw Blade for Laminate Countertops?
Use a reverse-tooth (downcut) blade with 10 to 12 TPI. The downward-cutting teeth reduce chipout on the top surface where the laminate layer is. Cut with the finished side facing up so the cleaner edge is on the visible surface. For extra protection, apply a strip of painter's tape over the cut line before marking and cutting. The tape supports the laminate fibers and reduces chipping even further.