Jig saw blades are the most replaced consumable in a cutting toolkit, and the difference between a rough tear-out and a clean, splinter-free edge usually comes down to the blade in the chuck. Blade geometry decides how fast the tool cuts, how smooth the edge stays, and how long the steel lasts, which is why tooth geometry and heat dissipation matter more than brand names when a cut starts to burn or wander. Multipacks that bundle several blade types sell for about $10 to $13 for ten to twelve blades, which makes them an easy way to build a starter assortment, but only if you know what each blade in the box is actually for.
Retail promotions for blade sets show up regularly around holiday sales events, and two of the most visible assortments in that range share a few things in common. One ten-piece set sells for $9.98, a twelve-piece set sells for $12.88, and both are made in Switzerland at the same factory because the two brands sit under one corporate roof. The assortments differ in what they contain, so the real choice is which mix of blades matches the work you do, not which box costs less.
What a Balanced Blade Assortment Actually Contains
Most multi-blade jig saw sets are assembled so a single purchase covers the jobs a jig saw faces in a typical week: fast ripping cuts in softwood, clean crosscuts, curved cuts, and metal cutting at two different thickness ranges. A ten-piece box usually breaks down as two speed blades for wood, two clean-cutting blades for wood, two basic wood blades meant for curved cuts, two basic metal blades with a high tooth count for thin metal, and two basic metal blades with a lower tooth count for thicker metal. A twelve-piece version shifts the balance toward softwood work, adds a reverse-tooth blade for splinter control, includes general-purpose blades rated for wood with nails, and spreads three metal blades across thin and thick stock.
Speed, Clean and Basic Wood Blades
Wood blades come in three common flavors. Speed blades use wider tooth spacing to remove material fast and leave a rougher edge. Clean blades use finer teeth to reduce tear-out on the visible face of the workpiece. Basic blades sit in the middle for general cuts, including curves, where neither speed nor finish is the priority. Reverse-tooth blades cut on the downstroke, which presses the top surface down and suppresses splintering on the face of the material.
General-Purpose Blades and the Wood-with-Nails Rating
General-purpose blades carry a durability rating that lets them cut wood containing nails or screws without shattering teeth. The same engineering idea appears in demolition circular saw blades, where carbide tips and tooth geometry are designed around nail impact rather than around clean finish cuts. If you regularly cut salvaged lumber or trim with hidden fasteners, a general-purpose blade covers more situations than a dedicated wood blade.
| Blade type | Best for | Typical TPI |
|---|---|---|
| Speed, wood | Fast ripping cuts in softwood | 6 to 8 |
| Clean, wood | Smooth edges with less tear-out | 10 to 12 |
| Basic, wood | Curved cuts and general use | 8 to 10 |
| Reverse tooth | Splinter-free face cuts in softwood | 10 |
| Basic, metal high TPI | Thin sheet metal | 18 to 24 |
| Basic, metal low TPI | Thicker metal stock | 10 to 14 |
| General purpose | Wood with nails, mixed materials | 8 to 10 |
The Economics of Blade Sets Versus Single Packs
A ten-piece set at $9.98 works out to about one dollar per blade, and a twelve-piece set at $12.88 lands just over one dollar per blade. Compare that with a dedicated five-pack of general-purpose blades at about $13, which is roughly $2.60 per blade, and the set math is obvious: an assortment is the cheapest way to discover which blade types you actually reach for. The trade-off is that a set spreads its budget across blades you may rarely use, so the per-blade saving only matters if the mix matches your jobs.
Per-Blade Cost Comparison
| Purchase | Price | Blades | Cost per blade |
|---|---|---|---|
| Ten-piece assortment | $9.98 | 10 | $1.00 |
| Twelve-piece assortment | $12.88 | 12 | $1.07 |
| General-purpose five-pack | $13.00 | 5 | $2.60 |
| Twenty-piece assortment | $20.00 | 20 | $1.00 |
When a Single Pack Beats the Set
Once you know which blade you burn through fastest, buying that type in five-packs gives you more of what you use and stops the case from filling with unused sizes. The usual pattern is one assortment for coverage, then refill packs for the two or three blade types that dominate your work. Manufacturers keep expanding these lines, and new ranges of jig saw blades from brands such as Lenox keep adding options aimed at specific materials and cut qualities.
Matching Tooth Count to Material Thickness
Tooth pitch is the single most useful number on a blade package. The working rule is that at least three teeth should be in contact with the material at all times. Thin sheet metal needs a high tooth count, usually 18 to 24 TPI, so the blade does not grab and chatter. Thicker metal, around 1/8 inch and up, cuts better with a lower count of 10 to 14 TPI because the gullets have room to clear the chips. Wood behaves differently: 6 to 8 TPI removes material fast, while 10 to 12 TPI leaves a cleaner edge at a slower feed rate.
The Three-Teeth Rule
Before picking a blade, count the teeth across the thickness of the workpiece. If fewer than three teeth engage the material, the blade jumps, chips, and overheats. That is why the same jig saw cuts 1/4 inch plywood smoothly with one blade and rattles through 3/4 inch stock with the same blade: the number of engaged teeth changes with material thickness, and the blade choice has to change with it.
Pitch and Resin Buildup
Cutting wood with the wrong tooth pitch produces friction, and friction bakes resin and pitch onto the blade body. The buildup drags on the cut and accelerates dulling even when the teeth are still sharp. Removing pitch and resin from the blade surface on a regular schedule extends the working life of the steel, and the same routine that keeps a saw blade free of pitch and resin applies to jig saw blades.
Signs of a Dull Blade and How to Slow the Decline
Jig saw blades dull faster than almost any other saw blade because the steel is thin and the cutting action is a rapid up-and-down stroke over a short length of edge. A blade that needs replacing shows predictable symptoms, and catching them early saves the workpiece rather than just the blade.
Six Signs Your Blade Is Done
- The cut wanders off the marked line even with steady feed pressure.
- Edges burn and darken, especially in hardwood.
- Feed rate slows and the saw seems to fight the material.
- Vibration increases and the cut line turns rough.
- Teeth chip, break, or show visible wear at the tips.
- The blade body bends or kinks from sideways pressure.
Cleaning Between Uses
A dirty blade dulls faster than a clean one. For resin-heavy jobs, soaking the blade in a cleaner that dissolves pitch restores the cutting surfaces, and the oven cleaner trick for saw blades works on jig saw blades as well as circular blades. Let the blade dry and apply a light oil film before storage to keep rust off the edges.
Storing Blades So They Stay Sharp and Findable
The plastic case that ships with a blade assortment is a real feature, not packaging waste. Blades thrown loose into a drawer knock against each other, dull their edges, and rust in humid conditions. A case keeps the set organized and lets you see at a glance which sizes are running low before you start a job.
A Simple Storage Routine
- Return every blade to its slot in the case after use.
- Group blades by material: wood, metal, and general purpose.
- Keep metal-cutting blades away from wood blades so chips do not transfer.
- Store the case in a dry spot away from direct sunlight and damp areas.
- Discard broken or heavily worn blades instead of returning them to the case.
Protecting Blades Between Projects
Rust is the quiet killer of stored blades. A light oil film and a dry drawer beat any chemical treatment, and the same storage, cleaning and maintenance routine that protects circular blades keeps jig saw blades ready for the next job.
Building a Blade Kit That Covers Most Jobs
You do not need every blade type on the shelf. Most workshop and job-site cutting falls into a narrow range of materials and thicknesses, and a small, deliberate kit handles that range without a drawer full of duplicates.
A Five-Step Selection Workflow
- List the materials you cut most: softwood, plywood, sheet metal, or mixed demolition stock.
- Choose an assortment that contains at least one blade for each material on that list.
- Check the TPI ranges against the thickness of your typical stock.
- Buy one set for coverage, then add five-packs of the blade you use most.
- Reassess the kit after a few weeks and drop blade types you never touched.
For woodworking and finish work, the logic that guides cut and finish saw blades for woodworking and construction applies at jig saw scale: match the tooth geometry to the cut quality you need, keep the blade sharp, and let the assortment handle the rest.