Product Description
CMT Pattern Bits with Bearing - 3/4 in. Diameter, 1/2 in. Shank by CMT are professional-grade template routing bits built for woodworkers who need precision, repeatability, and clean results. Whether you are producing cabinet components, furniture parts, signs, or toys, this double-fluted pattern router bit pairs with a template to replicate shapes with consistent accuracy. The top-mounted bearing rides along your template above the workpiece, giving you a clear line of sight to the cut and letting you work with confidence. With a 2 in. cutting height and a 3-5/8 in. total length, this long-series bit handles deeper template routing tasks where shorter bits fall short.
Key Features
- Top-Mounted Bearing Guide - the bearing rides above the workpiece against the template, keeping your line of sight open and your routing path visible throughout the cut so you can work accurately without guesswork.
- Carbide-Tipped Cutting Edges (HW Material) - hard-wearing carbide tips stay sharp longer than high-speed steel alternatives, reducing downtime for resharpening and extending the usable life of the bit across demanding production runs.
- 2 in. Cutting Height - the long-series design handles deeper cuts in a single pass, making this bit well suited for thicker stock and template routing applications where standard-length bits cannot reach full depth.
- Double-Flute (2-Tooth) Configuration - two flutes deliver a balance of cutting speed and smooth surface finish, leaving cleaner edges on solid hardwood, softwood, plywood, and other sheet goods.
- 1/2 in. Shank Diameter - the larger 1/2 in. shank provides greater rigidity and reduced vibration compared to 1/4 in. shank bits, helping maintain accuracy during long template routing sessions.
- Right-Hand Rotation - designed for standard right-hand rotation routers, ensuring compatibility with handheld routers, router tables, and CNC routing machines without any special setup.
- 3-5/8 in. Total Length, Long Series - the extended overall length allows clearance for deep workpieces and template setups that require extra bit reach, expanding the range of projects you can take on.
Why This Product
- Built for template routing repeatability - the top-mounted bearing traces your template precisely, allowing you to reproduce the same shape across multiple workpieces with consistent results - ideal for cabinet production, furniture components, and batch woodworking projects.
- Long-series reach for deeper stock - with a 2 in. cutting height, this bit handles thicker workpieces that standard pattern bits cannot fully engage, reducing the need to make multiple setups or use specialty equipment.
- Carbide durability for professional use - the carbide-tipped construction is suited to full-time professional use on solid hardwood and sheet goods, holding an edge longer and performing reliably over repeated use.
- Clear sightline during routing - because the bearing sits above the wood rather than below, you can see exactly where the bit is cutting at all times, reducing the risk of overcuts and improving overall accuracy on creative and precision projects alike.
Specifications
- Manufacturer Part Number: 812.691.11B
- Brand: CMT Orange Tools
- Diameter: 3/4 in.
- Cutting Height: 2 in.
- Total Length: 3-5/8 in.
- Shank: 1/2 in.
- Number of Teeth: 2
- Rotation: Right-Hand (RH)
- Blade Material: Carbide-Tipped (HW)
- Product Type: Pattern Bit with Bearing, Long Series
Approved Applications
- Template routing with a guide template
- Cabinet and furniture component shaping
- Sign making
- Toy and decorative woodworking projects
- Deep straight cuts in solid wood and sheet goods
- Pattern duplication across multiple workpieces
Frequently Asked Questions
What is the difference between a pattern bit with a top bearing and one with a bottom bearing?
A pattern bit with a top bearing, like this CMT 812.691.11B, has its bearing positioned above the cutting flutes. This means the bearing rides along the template that sits on top of the workpiece, giving you a clear view of the cutting area as you route. A bottom-bearing flush-trim bit does the opposite - the bearing rides along a template or edge positioned below the bit. For template routing where the template is fastened to the top of the workpiece, a top-bearing pattern bit is the correct choice.
How do I use this bit safely with a template?
The template must be securely fastened to the workpiece before routing begins. When selecting this or any pattern bit, carefully consider the thickness of the template and all the implications of the cut. Always opt for the shortest bit that will accomplish the project at hand - this long-series bit is intended for situations where a shorter pattern bit cannot achieve the required cutting depth. Verify that the bit is properly seated and tightened in the collet before starting the router.
What routers and machines are compatible with this bit?
This pattern bit features a 1/2 in. shank and right-hand rotation, making it compatible with any handheld router, router table, or CNC routing machine equipped with a 1/2 in. collet and standard right-hand rotation. Always confirm your router's collet size and maximum RPM rating before use, and never use a 1/2 in. shank bit in a 1/4 in. collet with a reducer bushing under heavy routing conditions.
What materials can this pattern bit cut?
The carbide-tipped cutting edges make this bit well suited for a wide range of woodworking materials encountered in cabinet making, furniture production, and creative projects - including solid hardwood, softwood, plywood, and MDF. The double-flute design helps produce smooth, clean edges on both natural wood and engineered sheet goods when the bit is kept in top condition and used with a properly secured template.
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