Lowest Price Guarantee. Learn More

Celebrate with Us & Save

$23 Off Orders Over $200

23YEARS
SKU: 83-130

Infinity Tools Bullnose Shape-Up Shaper Cutters, 3/4" Bore

Regular price $49.90

Bead Height
Cutter Radius

Mill beautiful stair treads, shelves and window sills with a single pass of these premium quality shaper cutters.

Traditionally, you would need to use two roundover bits, run the piece from both surfaces, and hope you've got the setting perfect enough to not leave a ridge line where the two cuts met.

Worry no more! With a single pass of these bullnose cutters you get a perfect half-round, with no defining lines, and little need of sanding. For any kind of production run, these cutters are a necessity!

Frequently Asked Questions

What bore size do these shaper cutters have?

These Bullnose Shape-Up shaper cutters have a 3/4" bore. Browse more shaper cutters and accessories to match your spindle.

What does a bullnose shaper cutter do?

It mills a perfect half-round edge in a single pass, ideal for stair treads, shelves and window sills, with no defining ridge line and little need for sanding.

What is the cutter diameter?

The cutter diameter is 2-5/8", with cutter heights available in 1-1/16", 1-1/2", 1-1/4" and 1/2".

Why is one pass better than using two roundover bits?

Running two roundover bits from both surfaces risks leaving a ridge line where the cuts meet. A single pass of these bullnose cutters produces a perfect half-round with no defining lines, saving time and sanding.

Are these cutters suited to production work?

Yes. For any kind of production run these cutters are a necessity, delivering a consistent half-round profile pass after pass. See the full Shape-Up shaper cutters line.

What projects are these cutters best for?

They are designed to mill stair treads, shelves and window sills, and any project requiring a clean, rounded bullnose edge.

Do I need much sanding after using these cutters?

No. Because a single pass produces a perfect half-round with no defining lines, there is little need for sanding afterward.

What height options are available?

The cutters come in heights of 1-1/16", 1-1/2", 1-1/4" and 1/2" to suit different material thicknesses.

Are there shaper cutters with replaceable knives?

Yes. If you prefer replaceable carbide inserts, look at our Insert Pro shaper cutters in addition to these Shape-Up cutters.

Who makes these shaper cutters?

They are part of the Infinity Cutting Tools Shape-Up line of premium carbide shaper cutters.