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23YEARS
SKU: 101-613

Infinity Tools Precision Miter Trimmer Replacement Blades, Pair

Regular price $99.90

Creating perfect 45° miters has never been easier. The Miter Trimmer is ideal for making professional quality picture frames, mitered cabinet doors, mitered trim pieces, or for when you simply need to cleanly and accurately trim a workpiece to final length.

We now offer replacement blades for the Precision Miter Trimmer —These extremely sharp blades are the same ones that come on your Precision Miter Trimmer, and should last a very long time. Whether you don't feel comfortable sharpening these blades yourself, or just want a spare to have on hand, these replacement blades will keep your miter trimmer going when one set eventually needs honing.

Precision Miter Trimmer

Creating perfect 45° miters has never been easier. The Miter Trimmer is ideal for making professional quality picture frames, mitered cabinet doors, mitered trim pieces, or for when you simply need to cleanly and accurately trim a workpiece to final length.

Infinity's Precision Miter Trimmer

If you're like most woodworkers you know that it can be difficult to cut mitered workpieces. Cutting to the perfect length on the first try, or even the second, is tricky. Even more difficult is making the second cut at the miter saw or table saw. Shaving off that last little bit for a perfect fit never quite works. This is where the Precision Miter trimmer (101-612) saves the day. It makes it easy to cut perfect miters and leaves a glass-smooth finish every time.

The Precision Miter Trimmer's 1/4
The Precision Miter Trimmer's 1/4" thick high carbon steel knives come razor sharp and ready for use.

Cast Iron Construction

The Precision Miter trimmer (101-612) is a tool most commonly seen in picture frame shops, for good reason, almost every cut on a picture frame is a 45° miter. This Precision Miter Trimmer is made of sturdy cast iron and weighs in at a solid 32 pounds. Both of the cast-iron fences have dedicated stops at 45° and 90° and can be set anywhere in between. The two high carbon steel blades measure a massive 1/4" thick and come razor sharp right out of the box. I know, everybody always says their tools are razor sharp and ready to work. Honestly, these blades have the keenest factory edge of any tool I have had the pleasure of using. So, when you use your Precision Miter Trimmer for the first time, be careful!

With a long cast-iron handle, the Precision Miter Trimmer can take shaving from paper-thin to extra thick.
With a long cast-iron handle, the Precision Miter Trimmer can take shaving from paper-thin to extra thick.

Aggressive Shear Angle

The blades are set at a steep 45° shearing angle that allows them to slice off paper-thin shavings or chop off material like a lumberjack's ax. This shearing action paired with the long cast iron handle allows controlled and effortless cuts both thick and thin. Also, the handle fits into a dovetailed receiver so it can be easily installed and removed without tools for easy storage.

The cast-iron fences allow cuts anywhere from 90° to 45° and can cut both left and right-handed for the ultimate versatility.
The cast-iron fences allow cuts anywhere from 90° to 45° and can cut both left and right-handed for the ultimate versatility.

Not Just For Pine

I get asked all the time if the Precision Miter Trimmer is just for the pine and poplar moldings you see in picture frame shops. The answer is, absolutely not. While the miter trimmer slices these soft species without missing a beat, we use ours on wood including Maple, Walnut, Cherry, Oak, and even Hickory. Not to mention, it also has an impressive cut capacity. Cutting a 1x6 (3/4" x 5-1/2")  at 90° is no problem. And, at 45° the miter trimmer can handle a 2x4 (1-1/2" x 3-1/2") without missing a beat. This ability to cut large workpieces and furniture grade hardwoods make it extremely versatile. 

Top-Trim Attachment for the miter trimmer . Great for working with picture frames when working from the inside of the rabbet.
Top-Trim Attachment for the miter trimmer. A great add-on when working with frames and moldings from the inside.

Top-Trim Attachment

We're now offering an extra accessory for the miter trimmer that allows working from the inside of a molding or frame piece. Often we mark our cut-mark on the inside of the frame to be more precise, but when we get to the trimmer, the mark can't be seen. This top-trim accessory holds the workpiece in place and allows easy view of our inside mark. 

The extension support at the top helps steady the workpiece, while the red clamp slips over the existing fence.Top-Trim Attachment for the miter trimmer . Great for working with picture frames when working from the inside of the rabbet.
The extension support at the top helps steady the workpiece, while the red clamp slips over the existing fence.
The interior wing nuts tighten the clamp and hold the extension in place.
The interior wing nuts tighten the clamp and hold the extension in place.

Mounting the top-trim accessory is a simple task with a hand-tightened clamp to hold it in place against the existing fence.

If you are looking for a way to make perfect miters or fine-tune the length of workpieces, the Precision Miter trimmer (101-612) is a great choice.  It is made of high-quality materials, built to uncompromising tolerances, and designed for decades of use. The Precision Miter Trimmer will help add accuracy and precision to your projects for years to come. 

Frequently Asked Questions

How many blades come in this set?

This product is sold as a pair of replacement blades for the Infinity Tools Precision Miter Trimmer.

Are these the same blades that ship on the trimmer?

Yes. These are the same extremely sharp blades that come on your Precision Miter Trimmer, so they deliver the same clean, accurate cutting performance.

What does the Precision Miter Trimmer do?

It makes creating perfect 45-degree miters easy — ideal for picture frames, mitered cabinet doors, and trim pieces, or for trimming a workpiece cleanly to final length.

Do I have to sharpen these blades myself?

No. These factory-sharp replacement blades are a convenient option if you don't feel comfortable honing the blades yourself, or if you just want a spare ready to go.

How long do the blades last?

The blades are built to last a very long time. Keeping this spare pair on hand means you can swap in a fresh edge the moment your original set eventually needs honing.

What projects is the miter trimmer best for?

It is ideal for professional-quality picture frames, mitered cabinet doors, mitered trim pieces, and trimming workpieces cleanly to final length. Browse our hand tools for more.

Why use a miter trimmer instead of a saw?

A miter trimmer shears the wood with extremely sharp blades to leave a smooth, glue-ready 45-degree surface, producing cleaner, more accurate miters than a saw blade alone.

Who makes these replacement blades?

They are made by Infinity Cutting Tools to fit the Infinity Tools Precision Miter Trimmer. Find them among our hand tools.

Is it worth keeping a spare pair on hand?

Yes. Having a fresh pair ready means no downtime — you can keep your miter trimmer cutting crisp miters while your original blades are out for honing.

What other fine hand tools pair with the miter trimmer?

Sharp paring chisels and quality hand planes complement the trimmer for fitting frames and trim by hand.