Product Description
CMT Super-Duty Flush Trim Bit - 1-3/8" Diameter x 2" Cutting Height, 1/2" Shank, Xtreme Series is a precision-engineered routing bit from CMT designed for demanding flush trimming applications where both finish quality and tool longevity matter. Built with a 2+2 carbide tooth configuration and dual-bearing guidance, this bit delivers accurate, repeatable cuts when trimming laminates flush to a surface, following a template, or copying a pattern. The Xtreme Series spiral technology sets this flush trim router bit apart from conventional designs, making it a strong choice for woodworking professionals and serious hobbyists who push their equipment hard on solid hardwood, MDF, plywood, melamine, and plastic.
Key Features
- Xtreme Series Spiral Technology - the one-of-a-kind spiral geometry produces a superior surface finish along every trimmed edge and extends cutting life well beyond what standard flush trim bits typically deliver, reducing the frequency of bit replacement on high-volume work.
- 2+2 Carbide Tooth Configuration (Z2+2) - the dual-pair tooth arrangement balances chip evacuation and surface contact, resulting in cleaner cuts on both solid hardwood and sheet goods while reducing vibration and heat buildup during extended routing sessions.
- Dual-Bearing Guide System - two bearings (one above, one below the cutters) allow the bit to follow a template or adjacent surface from either side of the workpiece, giving the operator more setup flexibility when flush trimming laminates, veneers, and edge banding.
- 1/2" Shank Diameter - the full half-inch shank provides maximum rigidity in the router collet, minimizing deflection and chatter when cutting dense or thick materials, and is compatible with 1/2" collet handheld routers, router tables, and CNC routing machines.
- 2" Cutting Height Capacity - handles thick workpieces and stacked laminates in a single pass, reducing the need for multiple setups and saving time on production runs or complex template routing tasks.
- HW (Tungsten Carbide) Blade Material - hard-wearing carbide construction maintains edge sharpness through repeated cuts in abrasive materials like MDF, chipboard, and plastic, keeping the bit performing accurately over a longer service life.
- Right-Hand Rotation - standard RH rotation is compatible with the vast majority of handheld routers, router tables, and CNC spindles, making this bit a drop-in fit for most existing setups without any special configuration.
- 4-27/32" Total Length - the generous overall length provides clearance between the router base and the workpiece when trimming thicker stock or working along deep profiles, reducing interference during the cut.
Why This Product
- The Xtreme Series designation signals a step up in both finish quality and durability compared to standard flush trim bits - the spiral technology is specifically described as delivering the best possible finish alongside extra-long cutting life, making it well suited for shops where bit performance directly affects throughput.
- The dual-bearing arrangement eliminates the need to flip a workpiece simply to change which face the bearing rides against, streamlining template routing and pattern copying operations on both faces of a panel or laminated surface.
- A 2" cutting height paired with a 1-3/8" diameter gives this bit the geometry to handle thicker substrates and stacked laminates without requiring multiple passes, which matters when trimming edge banding or veneer on thicker cabinet components.
- The 1/2" shank and HW carbide construction together address two of the most common failure points in flush trim work - collet slippage under lateral load and premature edge wear in abrasive sheet materials - making this bit a dependable long-term tool investment.
Specifications
- Manufacturer Part Number: 806.880.41B
- Brand: CMT Orange Tools
- Diameter: 1-3/8"
- Cutting Height: 2"
- Total Length: 4-27/32"
- Shank: 1/2"
- Number of Teeth: 2 + 2
- Blade Material: HW (Tungsten Carbide)
- Rotation: Right-Hand (RH)
- Series: Xtreme
- Product Type: Super-Duty Flush Trim Bit with Dual Bearings
Approved Applications
- Flush trimming laminates and veneers to a substrate surface
- Template routing and pattern copying in solid hardwood and sheet goods
- Edge trimming on solid hardwood, softwood, plywood, MDF, and chipboard
- Flush trimming on melamine and plastic panels
- Use with handheld routers, router tables, and CNC routing machines
Frequently Asked Questions
What makes the Xtreme Series different from a standard flush trim bit?
The Xtreme Series uses a one-of-a-kind spiral technology that is specifically designed to produce the best possible surface finish on trimmed edges while also delivering extra-long cutting life. This distinguishes it from conventional flush trim bits that use straight carbide inserts without the spiral geometry.
Does this bit have one bearing or two, and does it matter for my application?
This bit is equipped with two bearings - one positioned above the cutting flutes and one below. The dual-bearing design means the bit can follow a template or flush surface from either the top or the bottom of the workpiece without flipping the bit or changing setup, which adds flexibility when trimming laminates, edge banding, or veneers from different reference faces.
Is a 1/2" shank collet required to use this bit?
Yes. This bit has a 1/2" shank diameter and requires a router or CNC spindle fitted with a 1/2" collet. It is compatible with 1/2" collet handheld routers, router tables, and CNC routing machines. It cannot be used in a 1/4" collet without an adapter.
What materials can this flush trim bit cut?
The HW (tungsten carbide) construction makes this bit suitable for use on solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic. The carbide edge retention holds up particularly well in abrasive sheet materials like MDF and chipboard that wear standard high-speed steel bits quickly.
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