Precision Miter Bar - 9-7/8" x 3/4" x 3/8" Thick

Q: Which jig do these mortising cutters work with?

They're designed exclusively for the MortiseMate Loose Tenon Jig and create mortises sized for Kreg 6, 8, and 10 mm loose tenons. See more drill bits & drivers .

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Achieve flawless, precise mortises with the Carbide-Tipped MortiseMate™ Mortising Cutters. Designed for use exclusively with the MortiseMate™ Loose Tenon Jig, these cutters ensure clean, smooth mortises ready to accept loose tenons, delivering strong, accurate joints every time. The carbide-tipped design is built to last, with the durability to withstand the creation of over 5,000 joints (depending on material). Each cutter includes a stainless steel stop collar for precise depth control, making setup quick and easy.

Features:

Carbide-tipped cutter – lasts for over 5,000 joints (or more, depending on material)
Laser-etched markings for accurate, easy depth adjustment
Spiral flutes for clean, precise cuts
Creates perfect mortises for Kreg 6 mm, 8 mm, and 10 mm loose tenons

Capacity:

Cuts mortise depths up to 1"

Compatibility:

Designed exclusively for use with the MortiseMate™ Loose Tenon Jig

Includes:

One MortiseMate™ 6 mm Mortising Cutter and Stop Collar
One MortiseMate™ 8 mm Mortising Cutter and Stop Collar
One MortiseMate™ 10 mm Mortising Cutter and Stop Collar

Warranty:

3-year limited warranty

These cutters are an essential addition to your MortiseMate™ system, delivering the precision and durability needed to complete woodworking projects with confidence and ease.

Loose Tenon Joinery from Kreg

The Kreg® MortiseMate™ Loose Tenon Jig will change the way you think about traditional wood joinery. This innovative tool allows you to create loose tenon joints with ease, combining the precision of a router with the simplicity of a drill. Featuring an auto-indexing step-down mechanism, micro adjustment screws, and integrated mini work surface, the MortiseMate makes it easy to create professional-quality hidden joints with just a drill — no router needed.

The MortiseMate’s exclusive auto-indexing step-down mechanism enables precise mortise cutting with just a drill, eliminating the need for complex setups. Each pass automatically lowers the cutter by 1/16", ensuring flawless, accurate joints every time.

Achieve the perfect fit with the MortiseMate’s micro adjustment screws, allowing you to customize mortise width for tight or loose tenon fits.

With the MortiseMate, you can effortlessly take on woodworking projects that demand the highest standards of precision and strength, all while saving time and effort.

Elevate your craft with a tool that redefines what’s possible in joinery.

Includes carbide-tipped MortiseMate 6 mm Mortising Cutter; 8 mm and 10 mm cutters can be purchased separately.

If you're looking for a loose tenon system for your shop, take a look at Kreg!

Frequently Asked Questions

Which jig do these mortising cutters work with?

They're designed exclusively for the MortiseMate Loose Tenon Jig and create mortises sized for Kreg 6, 8, and 10 mm loose tenons. See more drill bits & drivers.

How long do the carbide-tipped cutters last?

The carbide-tipped design is built to cut over 5,000 joints, or more depending on the material being worked.

What sizes are included in this set?

The set includes one each of the 6 mm, 8 mm, and 10 mm mortising cutters, each with its own stainless steel stop collar.

How deep can these cutters mortise?

The cutters can cut mortise depths up to 1".

What is the stop collar for?

Each cutter includes a stainless steel stop collar for precise, repeatable depth control, making setup quick and consistent.

Why do the cutters have spiral flutes?

The spiral flute geometry shears the wood for clean, precise cuts and efficient chip clearing inside the mortise.

How do I set the cutting depth accurately?

Laser-etched markings on each cutter make it easy to set commonly used mortise depths, and the stop collar locks the setting in place.

Do these cutters come with the jig?

The MortiseMate jig ships with only the 6 mm cutter. This set provides all three sizes, or you can buy the cutters individually as replacements or upgrades.

What warranty applies to the cutters?

The mortising cutters are covered by a 3-year limited warranty.

What other boring tools pair well with these cutters?

For broader joinery and boring work, pair them with Forstner bits and other drilling & boring tools.

Kreg MortiseMate Mortising Cutters