Product Description
CMT Pattern Bit with Bearing - 5/8" Diameter, 1/4" Shank is a precision-ground template routing bit engineered for accurate, repeatable cuts in solid hardwood, softwood, plywood, composites, and a wide range of natural and manufactured wood materials. Designed for use with handheld routers, router tables, and CNC routing machines, this 2-flute carbide-tipped straight bit follows a guide bearing to reproduce shapes and profiles from templates with consistent, clean results. Whether you are routing dadoes, grooves, rabbets, or mortises, or duplicating complex shapes in production environments, this bit combines industrial-grade materials with protective coatings to deliver reliable performance across heavy workloads.
Key Features
- Micrograin Carbide Cutting Edges (HW) - ground from hard, dense carbide that resists edge wear and maintains sharpness longer, reducing the frequency of bit changes during production runs.
- Fatigue-Proof Steel Body - the bit shank and body are made from special fatigue-proof steel that absorbs stress under heavy cutting loads, helping prevent breakage and extending working life.
- Orange Non-Stick P.T.F.E. Coating - CMT's trademark surface treatment repels resin, pitch, and other wood residue that can build up on the bit, reducing heat and friction during cuts to protect both the bit and the workpiece.
- Guide Bearing Included - a top-mounted bearing follows a template or straight edge, enabling accurate pattern routing and template duplication without the need for fences or jigs in many setups.
- 2-Flute Design (Right-Hand Rotation) - dual cutting edges produce smooth, clean surface finishes in a single pass and are suited for right-hand rotation routers, which covers the vast majority of handheld and table-mounted routers.
- Strict Quality Testing - every bit is tested for cutting tolerance, balance, and concentricity, which means consistent, chatter-free cuts and predictable results on repeated passes.
Why This Product
- The guide bearing makes this bit ideal for template routing and pattern duplication - a practical choice for cabinet makers, furniture builders, and woodworkers who need to reproduce the same shape multiple times with consistent accuracy.
- The combination of micrograin carbide and fatigue-proof steel is suited to industrial-scale production, where bits are pushed through repeated, heavy-duty cutting of plywood, composites, and natural woods without frequent tool changes.
- The 1/4" shank fits a wide range of compact routers and trim routers, making this bit accessible for both shop use and jobsite work where a smaller, lighter router is preferred.
- The orange P.T.F.E. non-stick coating reduces resin and pitch buildup, which means less time cleaning the bit between uses and more consistent cutting performance over the life of the tool.
Specifications
- Manufacturer Part Number: 811.159.11B
- Brand: CMT Orange Tools
- Diameter: 5/8"
- Cutting Height: 1/2"
- Total Length: 2-9/32"
- Shank: 1/4"
- Number of Teeth: 2
- Material: HW (Micrograin Carbide)
- Rotation: Right-Hand (RH)
- Bit Type: Pattern Bit with Bearing
Approved Applications
- Template Routing and Pattern Duplication
- Straight Cuts - Dadoes, Grooves, and Rabbets
- Mortising
- Plywood Joinery
- Routing in Solid Hardwood and Softwood
- Routing in Plywood, Composites, and MDF
Frequently Asked Questions
What is a pattern bit with bearing, and how does it work?
A pattern bit with bearing is a straight router bit that has a guide bearing mounted on it. The bearing rides along the edge of a template or straight guide, causing the cutting edges to follow the same path precisely. This allows you to duplicate a shape or cut a perfectly straight edge by following a pre-made template rather than relying on a fence or freehand technique.
Is this bit compatible with my handheld router?
This bit has a 1/4" shank, which fits the 1/4" collets found on most compact and trim routers as well as many full-size handheld routers. It is also suitable for router table and CNC routing machine use. Check that your router accepts a 1/4" collet before installing.
What materials can this bit cut?
This pattern bit is suited for use in solid hardwood, softwood, plywood, composites, and other natural wood-based materials. The micrograin carbide cutting edges are designed to handle the demands of both natural woods and engineered sheet goods.
What does the orange non-stick coating do for cutting performance?
The orange P.T.F.E. coating on the bit surface reduces the tendency for resin, pitch, and wood residue to adhere to the bit during cutting. This helps keep the bit running cooler and cleaner, which translates to better cut quality and a longer useful life between cleanings or replacements.
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