Product Description
The CMT 811.050.11 Solid Carbide Straight Bit Short Series is a precision-engineered routing bit designed for demanding production environments where clean, accurate cuts are non-negotiable. Built from micrograin solid carbide and paired with a 1/4 in. shank, this 5mm diameter straight bit delivers consistent performance across a wide range of wood-based and composite materials. Whether you are cutting dadoes in plywood, routing grooves in solid hardwood, or running repetitive passes on a CNC routing machine, this short-series bit maintains tight tolerances and exceptional balance throughout the cut.
Key Features
- Micrograin solid carbide construction - provides superior hardness and edge retention compared to standard carbide blends, so the bit stays sharp longer even under heavy production workloads.
- Special fatigue-proof steel body - resists stress and flex during extended routing sessions, reducing the risk of bit failure and keeping cuts consistent from the first pass to the last.
- CMT Orange Shield non-stick PTFE coating - actively repels resin, pitch, and wood residue from the bit surface, reducing heat buildup and extending the usable life of the cutting edge without frequent cleaning stops.
- 2-flute cutting geometry - dual cutting edges balance chip evacuation and surface finish, making this bit well suited for both rough stock removal and cleaner finish passes in natural woods, plywood, and composites.
- Short series profile - the compact 15/32 in. cutting height and 2 in. total length improve rigidity during the cut, minimizing deflection and chatter for tighter tolerances on narrow grooves and mortises.
- Strict quality testing for balance and concentricity - every bit is individually tested to verify cutting tolerance, balance, and concentricity, so the bit runs true at router speed without vibration-induced error.
Why This Product
- The micrograin solid carbide construction combined with fatigue-proof steel makes this bit a practical choice for high-volume production runs where downtime from premature edge failure is costly.
- The non-stick PTFE surface coating directly addresses one of the most common maintenance problems in routing - resin and pitch adhesion - keeping the bit cleaner between passes and reducing the frequency of mid-job interruptions.
- At 5mm diameter with a 1/4 in. shank, this bit fits the most common router collet size, making it compatible with handheld routers, router tables, and CNC routing machines without adapters or special tooling.
- Individual balance and concentricity testing means you get a bit that runs smoothly at routing speeds, which translates directly to cleaner cut walls, reduced tearout in plywood and composites, and more consistent joinery results.
Specifications
- Manufacturer Part Number: 811.050.11
- Brand: CMT Orange Tools
- Diameter: 5mm
- Cutting Height: 15/32 in.
- Total Length: 2 in.
- Shank: 1/4 in.
- Number of Teeth: 2
- Material: Solid Carbide (HWM)
- Rotation: Right-hand (RH)
- Series: Short Series
Approved Applications
- Straight cuts including dadoes, grooves, and rabbets
- Mortising
- Template routing
- Plywood joinery
- CNC routing production work
- Composite panel machining
Frequently Asked Questions
What materials is the CMT 811.050.11 designed to cut?
This solid carbide straight bit is suited for use in plywood, composites, and natural woods, as stated by CMT for this series. It is well matched to the types of materials commonly encountered in cabinet, millwork, and panel processing applications.
What machines is this bit compatible with?
The 1/4 in. shank fits the standard collet size found on handheld routers, router tables, and CNC routing machines, making it a versatile option across different shop setups without requiring a collet adapter.
What is the purpose of the orange PTFE coating on this bit?
The non-stick PTFE coating - CMT's trademark orange surface treatment - helps prevent resin, pitch, and other residue from adhering to the bit during use. This reduces heat buildup at the cutting edge, protects against corrosion, and makes the bit easier to clean, all of which contribute to a longer working life.
Why is the short series profile an advantage for certain routing tasks?
The short series design - with a 15/32 in. cutting height and 2 in. total length - keeps the bit compact and rigid during the cut. Less overhang from the collet means less deflection under load, which is especially important when cutting narrow grooves, dadoes, or mortises where dimensional accuracy matters most.
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