Product Description
The CMT 811.040.11 Solid Carbide Straight Bit Short Series is a precision-ground, double-edged router bit designed for clean, accurate straight cuts in a wide range of materials - from solid hardwood and softwood to plywood, composites, MDF, and natural woods. Built from micrograin carbide and fatigue-proof steel, this 5/32" diameter bit delivers the rigidity and durability demanded by both professional woodworkers and industrial-scale CNC routing operations. Its compact short-series profile reduces deflection and improves cutting accuracy in tight routing applications such as dadoes, grooves, mortises, and template work.
Key Features
- Solid Micrograin Carbide Construction (HWM) - the micrograin carbide body resists chipping and wear under heavy workloads, extending cutting life and maintaining edge sharpness longer than standard carbide grades.
- Fatigue-Proof Steel Body - the shank and body are manufactured from special fatigue-proof steel that absorbs stress and vibration during demanding routing passes, reducing the risk of bit failure.
- CMT Orange Shield Non-Stick PTFE Coating - the trademark orange PTFE surface treatment prevents resin, pitch, and other residue from bonding to the bit, reducing friction, heat buildup, and cleanup time between cuts.
- 2-Flute Design - twin cutting edges provide a balanced chip load and smooth material removal, producing cleaner finished surfaces in hardwood, plywood, and composite panel routing.
- Short Series Profile (1 3/4" total length) - the compact overall length minimizes bit flex and runout, making this cutter ideal for precision work where concentricity and balance are critical.
- Right-Hand Rotation (RH) - compatible with standard handheld routers, router tables, and CNC routing machines for straightforward setup without special tooling configurations.
- Strict Quality Tolerances - every bit is tested for cutting tolerance, balance, and concentricity before leaving production, ensuring consistent performance across repeat runs and industrial-scale production cycles.
Why This Product
- Purpose-built for precision detail routing - at 5/32" diameter with a 3/8" cutting height, this bit is sized for narrow dadoes, small mortises, and fine inlay work where larger bits simply cannot fit or maintain accuracy.
- Reduced maintenance between cuts - the orange PTFE non-stick coating actively resists pitch and resin adhesion, meaning less time cleaning the bit and more time routing, especially when working with resinous softwoods or composite panels.
- Suitable for industrial production runs - the combination of micrograin carbide, fatigue-proof steel, and rigorous quality testing makes this bit a reliable choice for high-volume CNC routing operations where consistency across multiple passes is essential.
- Versatile machine compatibility - the 1/4" shank fits handheld routers, benchtop router tables, and CNC routing machines, making it a practical addition to shops that work across multiple setups.
Specifications
- Manufacturer Part Number: 811.040.11
- Brand: CMT Orange Tools
- Diameter: 5/32"
- Cutting Height: 3/8"
- Total Length: 1 3/4"
- Shank: 1/4"
- Number of Teeth: 2
- Material: Solid Carbide (HWM micrograin)
- Rotation: Right-Hand (RH)
- Coating: PTFE Non-Stick (Orange Shield)
- Series: Short Series
Approved Applications
- Straight cuts - dadoes, grooves, and rabbets
- Mortising
- Template routing
- Plywood joinery
- Composite panel routing
- Natural wood routing
Frequently Asked Questions
What materials is this straight bit designed to cut?
This solid carbide straight bit is suited for a variety of materials including solid hardwood, softwood, plywood, composites, MDF, chipboard, laminates, melamine, and plastic. Its micrograin carbide construction handles both natural woods and engineered panel products in production environments.
What machines is this bit compatible with?
The 1/4" shank makes this bit compatible with handheld routers, router tables, and CNC routing machines that accept a 1/4" collet. It uses standard right-hand rotation, so no special setup is required.
What does the orange PTFE coating do for bit performance?
The orange non-stick PTFE coating - CMT's trademark Orange Shield surface treatment - prevents resin, pitch, and other residue from building up on the bit during cutting. This reduces friction and heat accumulation, which helps protect the carbide edge and extend overall tool life, particularly when routing resinous or composite materials.
Why is this a "short series" bit and when should I use it?
The short series designation refers to the compact overall length of 1 3/4". This shorter profile reduces flex and deflection during the cut, resulting in improved concentricity and cutting accuracy. Short series bits are the preferred choice when routing shallow profiles, working in tight spaces, or when maximum rigidity is needed for precise, repeatable cuts in production settings.
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