Planer & Thicknesser Blades
Planer and thicknesser blades keep timber moving cleanly through the machine, giving you straight, consistent cuts without tear-out, burning, or wasted stock.
If your boards are coming out furry, chipped or out of square, the blades are usually the first thing to check. Good planer and thicknesser blades matter to joiners, chippies and workshop teams who need clean faces, true edges and repeatable thickness without fighting the machine. Match the blade size, fixing holes and material to your planer or thicknesser, and keep a spare set ready so the job does not stop halfway through a run.
What Are Planer and Thicknesser Blades Used For?
- Surfacing rough sawn timber in the workshop or on a fit-out job, so boards come out flat, cleaner and ready for joinery rather than needing loads of extra sanding.
- Thicknessing repeated lengths of softwood or hardwood when you need matching stock for doors, frames, carcasses or site-made trims that all have to finish the same.
- Replacing tired cutters that are leaving tear-out, burn marks or ridges, which saves you wasting decent timber and stops the machine working harder than it should.
- Cleaning up reclaimed or stored timber before second-fix work, where a sharp set of blades helps pull a straighter finish from stock that is not perfect to start with.
Choosing the Right Planer and Thicknesser Blades
Sorting the right blades is simple: match them to the machine exactly, then buy for the timber you actually run through it.
1. Size and Fixing Pattern First
If the length, width, thickness or hole positions are wrong, they are no use to you no matter how good the steel is. Check the machine manual or measure the old set properly before you order.
2. Timber Type Matters
If you mostly run softwood, a standard replacement set will usually do the job well. If you are regularly feeding hardwoods or abrasive boards through the machine, step up to blades that hold an edge longer or you will be changing them too often.
3. Disposable or Resharpenable
If downtime costs you money, disposable double-edged blades are often the easier call because you can swap and get going again fast. If you are workshop based and run the same stock all week, resharpenable blades can make more sense over time.
4. Keep a Spare Set
Do not wait until the finish goes bad halfway through a batch. If the machine earns its keep, keep another matched set on the shelf so you are not stopping work while waiting on replacements.
Who Uses These Blades?
- Chippies and joiners use planer and thicknesser blades when they are machining doors, frames, packers and trim, because blunt blades waste time and leave more finishing work behind.
- Bench joiners and workshop teams rely on them for running batches of timber to the same size, especially when they need clean, repeatable results across a full day of machining.
- Kitchen fitters and shopfitters keep spare sets handy for sizing down stock properly, rather than trying to make do with rough timber that will only cause grief later on.
- Maintenance teams and school or estate workshops use them to bring older machines back into useful service, especially for repair work and one-off timber prep jobs.
The Basics: Understanding Planer and Thicknesser Blades
These blades do one simple but important job. They shave timber cleanly and evenly as it passes over or through the machine, which is what gives you a flat face, a true edge and a consistent finished thickness.
1. Planing for a Flat Face
On the planer side, the blades skim off the high spots so you can flatten one face or straighten one edge. That gives you a reliable reference before you move on to final sizing.
2. Thicknessing for Consistent Size
On the thicknesser side, the blades remove material evenly while the machine controls the finished depth. That is how you turn rough stock into boards that all match for fitting and assembly.
3. Sharp Blades Mean Less Trouble
Sharp blades cut cleaner and put less strain on the machine. Once they go off, you start seeing tear-out, heavier feed resistance and more sanding or filling than the job should need.
Useful Extras to Keep Timber Prep Moving
A few sensible extras save downtime, improve finish quality and stop one worn part holding up the whole run.
1. Spare Blade Sets
This is the obvious one, but plenty still get caught out. Keep a second matched set ready and you will not be stuck with half-machined timber and a machine that is suddenly leaving ridges.
2. Setting Jigs or Alignment Tools
If your machine uses resettable blades, proper setting gear saves you from uneven cutter height, poor finish and the sort of vibration that makes the whole machine feel rougher than it is.
3. Cleaning and Resin Remover
Built-up pitch and resin can make decent blades cut like blunt ones. A proper cleaner helps you get a bit more life from the set before you bin or swap them.
Choose the Right Planer and Thicknesser Blades for the Job
Use this quick guide to avoid buying the wrong set.
| Your Job | Category or Type | Key Features |
|---|---|---|
| General softwood prep for site joinery | Standard replacement planer and thicknesser blades | Correct machine fit, clean cutting edge, reliable finish on regular timber stock |
| Running hardwoods through all week | Longer wearing blade sets | Better edge retention, fewer changeovers, cleaner finish on denser timber |
| Fast turnaround in a busy workshop | Disposable double edged blades | Quick swaps, less downtime, easy to flip or replace when finish drops off |
| Older planer or thicknesser with resettable cutters | Resharpenable blades | Reusable option, suits workshop servicing routines, worth it if you sharpen in batches |
Common Buying and Usage Mistakes
- Buying by eye instead of checking the exact blade size and hole pattern usually ends with a set that will not fit the machine at all. Measure properly or check the manual before ordering.
- Running blunt blades too long gives you tear-out, burn marks and more sanding than you bargained for. If the finish has gone off, swap them before you ruin decent stock.
- Ignoring resin and pitch build-up can make good blades seem worn out early. Clean them first if the cut quality drops off sooner than expected.
- Changing only one blade or fitting a mismatched set throws the cutter block out and leaves a poor finish. Replace blades as a proper matched set.
- Trying to machine dirty reclaimed timber without checking for grit, nails or embedded rubbish will trash a fresh edge in no time. Inspect and prep the timber before it goes near the machine.
Disposable Blades vs Resharpenable Blades vs Long Life Blades
Disposable Blades
Best when uptime matters more than anything else. They are quick to change and ideal for busy joinery shops or fit-out work where stopping to sharpen is more hassle than it is worth.
Resharpenable Blades
A solid choice for workshop users who maintain their own kit and run regular timber sizes. They can work out well over time, but only if you are set up to sharpen or send them off properly.
Long Life Blades
Worth looking at if you machine tougher timber or want fewer interruptions during the week. They cost more upfront, but they can save repeat swaps where standard blades lose their edge too quickly.
Maintenance and Care
Clean Resin Off Early
Do not leave pitch and resin baking onto the blades after use. A proper clean keeps the edge working better and helps you tell the difference between dirt build-up and a genuinely worn blade.
Store Them Flat and Protected
Loose blades chucked in a drawer soon pick up nicks and rust spots. Keep them in their sleeve, case or wrapped safely so the edge is not damaged before it even reaches the machine.
Check for Nicks and Uneven Wear
If the timber starts showing lines or repeated marks, inspect the edge closely. Small damage shows up quickly on finished stock and usually means it is time to rotate, sharpen or replace the set.
Keep the Machine Clean Too
A clean cutter block, bed and feed path help blades do their job properly. Packed dust and resin can affect feed and finish, even when the blades themselves are still serviceable.
Why Shop for Planer and Thicknesser Blades at ITS?
Whether you need a straight replacement set for a workshop machine or spare planer and thicknesser blades to keep on the shelf, we stock the range that trade users actually need. You will also find Power Tool Accessories, More Accessories, Drill Bits, Saw Blades and Sanding Pads & Sheets, all held in our own warehouse for fast next day delivery.
Planer and Thicknesser Blades FAQs
What are planer and thicknesser blades used for?
They are used to machine timber flat, straight and to a consistent thickness. In real workshop use, that means cleaner faces, truer edges and less time wasted trying to sand out ridges or tear-out after the cut.
How do I choose the right planer and thicknesser blades?
Start with the exact machine fit. Check blade length, width, thickness and any fixing holes or pins against your current set or the manual. After that, choose based on what timber you run most often and whether quick swap or resharpening matters more to your setup.
Are planer and thicknesser blades suitable for trade use?
Yes, provided you buy the right spec for the machine and the workload. Trade users depend on them every day for batch prep, joinery stock sizing and clean machining, but like any cutter they need changing before they go too far past their best.
What should I check before buying planer and thicknesser blades?
Check the exact dimensions, fixing layout, blade type and whether your machine takes disposable or resettable cutters. Also look at the timber you usually machine, because softwood, hardwood and reclaimed stock all wear edges differently.
Can I buy planer and thicknesser blades online from ITS?
Yes. You can buy planer and thicknesser blades online from ITS with the key sizes and replacement options clearly listed, so you can match what your machine needs and get it delivered quickly to keep the work moving.
