Product Description
CMT Straight Bit Short Series - 31/64" Diameter, 1/4" Shank is a precision two-flute router bit built for demanding routing tasks in solid hardwood, softwood, plywood, composites, and natural wood materials. Engineered with micrograin carbide cutting edges and a fatigue-proof steel body, this short-series straight bit delivers clean, accurate cuts in dadoes, grooves, rabbets, and mortises - whether you are working with a handheld router, a router table, or a CNC routing machine. Its compact short-series profile makes it an excellent choice for controlled depth passes and high-production routing workflows where rigidity and precision matter most.
Key Features
- Micrograin Carbide Cutting Edges - provide superior hardness and edge retention, so the bit stays sharp longer even during heavy-duty production routing through dense hardwoods and composites.
- Special Fatigue-Proof Steel Body - withstands repeated heavy workloads without stress failure, giving you reliable performance run after run in high-production environments.
- CMT Orange Non-Stick PTFE Coating - protects the bit surface from resin, pitch, and residue buildup, reduces friction-related heat, guards against corrosion, and extends overall tool life.
- 2-Flute (Double-Edged) Design - balances cutting efficiency with smooth chip evacuation, producing cleaner cuts in a wide range of wood-based sheet goods and solid lumber.
- Short Series Profile - keeps the bit compact and rigid for reduced vibration and improved cut accuracy, especially useful in template routing and precise joinery applications.
- Strict Quality Testing for Tolerance, Balance, and Concentricity - every bit is tested to tight manufacturing standards so you get consistent, repeatable results across every cut.
- Right-Hand Rotation - compatible with standard router spindle direction, making this bit a direct drop-in for the vast majority of handheld routers, router tables, and CNC machines.
- 1/4" Shank - fits a wide range of router collets, offering versatility across light-duty and mid-range routers without adapters.
Why This Product
- The micrograin carbide construction and fatigue-proof steel body make this bit a dependable choice for industrial-scale production routing where lesser bits wear out or fail under repeated heavy use in plywood, composites, and natural woods.
- The PTFE orange non-stick coating directly reduces downtime - less pitch and resin accumulation means you spend less time cleaning the bit and more time cutting.
- The short-series design adds rigidity that matters in precise applications like mortising and template routing, where a longer bit would introduce unwanted flex and reduce cut quality.
- Every bit passes strict quality tests for cutting tolerance, balance, and concentricity, so the 31/64" cutting diameter you expect is the diameter you get - cut after cut, batch after batch.
Specifications
- Manufacturer Part Number: 811.123.11
- Brand: CMT Orange Tools
- Diameter: 31/64"
- Cutting Height: 1"
- Total Length: 2 1/4"
- Shank: 1/4"
- Number of Teeth: 2
- Material: HW (Hardmetal / 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
- Routing in composites and natural woods
- Industrial-scale production routing
Frequently Asked Questions
What materials can this straight bit cut through?
This bit is designed for use in a variety of materials including plywood, composites, and natural woods such as solid hardwood and softwood. The micrograin carbide cutting edges provide the hardness needed to handle both sheet goods and solid lumber in production routing settings.
Why is the short-series design beneficial compared to a standard-length straight bit?
The short-series profile keeps the bit more rigid during cutting. This reduces vibration and deflection, which translates to better cut accuracy and cleaner results - particularly important in applications like mortising and template routing where precision is critical.
What is the purpose of the orange PTFE coating on this bit?
The orange non-stick PTFE coating is CMT's proprietary surface treatment. It helps prevent resin, pitch, and other residue from sticking to the bit during routing, reduces heat buildup from friction, and protects the bit from corrosion - all of which contribute to a longer tool life and easier maintenance between uses.
What machines is this bit compatible with?
The 1/4" shank and right-hand rotation make this bit compatible with handheld routers, router tables, and CNC routing machines that accept a 1/4" collet and use standard right-hand spindle rotation. Always verify your router's collet size before installing any bit.
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