Product Description
The CMT 811.682.11 Straight Bit Short Series is a precision-ground, 2-flute solid routing bit designed for clean, accurate straight cuts in plywood, composites, and natural wood. Built from special fatigue-proof steel and micrograin carbide, this 23/32" diameter cutter handles heavy production workloads with consistent results - making it an excellent choice for dadoes, grooves, mortises, and template routing on both handheld routers and router tables. The compact short-series profile delivers enhanced rigidity during high-volume routing operations where deflection and chatter must be minimized.
Key Features
- Micrograin Carbide Cutting Edges - harder, denser carbide resists wear over extended production runs, reducing the frequency of bit changes and downtime.
- Fatigue-Proof Steel Body - the specially formulated steel body withstands heavy, repeated workloads without stress fractures, giving operators confidence under demanding routing conditions.
- CMT Orange Non-Stick P.T.F.E. Coating - the trademark orange coating prevents resin, pitch, and other residue from adhering to the bit surface, keeping the cutter clean and reducing heat buildup during operation.
- 2-Flute (Double-Edged) Design - two cutting edges provide a balanced cut with smooth chip evacuation, producing cleaner groove walls in solid hardwood, softwood, plywood, and composite panels.
- Short-Series Profile - the compact 2-1/2" total length reduces deflection and vibration compared to longer bits, improving cut accuracy especially in repetitive production environments.
- 1/2" Shank Diameter - a full 1/2" shank provides maximum grip in router collets, minimizing runout and improving both safety and cut quality.
- Strict Quality Testing for Balance and Concentricity - every bit is tested to guarantee perfect cutting tolerance, balance, and concentricity, which translates directly to consistent results across large production batches.
Why This Product
- The 23/32" cutting diameter is an ideal match for routing dadoes sized to accept standard 3/4" plywood panels - a common joinery requirement in cabinet and furniture production where a snug, consistent fit matters.
- The short-series geometry paired with a 1/2" shank makes this bit particularly well-suited for CNC routing machines and router tables where rigidity and repeatability across high volumes are critical to throughput.
- The P.T.F.E. non-stick coating and micrograin carbide construction work together to extend the service life of the bit when routing resin-heavy materials such as MDF, melamine, and laminates - materials that quickly foul uncoated bits.
- With a 1" cutting height and right-hand rotation, this bit fits naturally into standard production workflows for dadoes, grooves, and mortising without requiring special setup adjustments.
Specifications
- Manufacturer Part Number: 811.682.11
- Brand: CMT Orange Tools
- Diameter: 23/32"
- Cutting Height: 1"
- Total Length: 2-1/2"
- Shank: 1/2"
- Number of Teeth: 2
- Material: HW (Micrograin Carbide)
- Rotation: Right-hand (RH)
- Product Type: Straight Bit Short Series
Approved Applications
- Straight cuts including dadoes, grooves, and rabbets
- Mortising
- Template routing
- Plywood joinery and panel assembly
- Industrial-scale production routing in plywood, composites, and natural woods
Frequently Asked Questions
What is the cutting height of the CMT 811.682.11 straight bit?
The cutting height is 1". This means the bit can rout a groove or dado up to 1" deep in a single pass, making it suitable for mortising and full-depth joinery cuts in panel and solid wood applications.
Why is the short-series design beneficial compared to a standard-length straight bit?
The short-series profile results in a more rigid setup with less tool overhang from the collet. This reduces deflection and vibration during cutting, which improves dimensional accuracy - especially important in production environments where the same cut must be repeated consistently across many workpieces.
Is the P.T.F.E. coating just cosmetic, or does it serve a functional purpose?
The orange P.T.F.E. coating is fully functional. It acts as a non-stick surface barrier that prevents resin, pitch, and other material residue from bonding to the bit during routing. This keeps the cutter cleaner between uses, helps reduce friction-related heat buildup, and contributes to longer cutting life - particularly when working with resinous or adhesive-coated materials like MDF, melamine, and laminates.
What router collet size is required to use this bit?
This bit has a 1/2" shank, so it requires a router or CNC spindle with a 1/2" collet. A 1/2" shank provides greater rigidity and reduced runout compared to smaller shank sizes, making it well-suited for both handheld routers and router table or CNC routing machine setups.
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