Product Description
The CMT 811.690.11 Straight Bit Short Series is a precision-engineered 2-flute routing bit designed for clean, accurate straight cuts in a wide range of materials. Built from special fatigue-proof steel and micrograin carbide, this 3/4" diameter bit with a 1/2" shank is well-suited for demanding production environments - delivering consistent performance in solid hardwood, softwood, plywood, composites, and more. Whether you are cutting dadoes, grooves, rabbets, or mortises on a handheld router, router table, or CNC routing machine, this short-series bit provides the rigidity and precision needed for reliable results across repeated cuts.
Key Features
- Micrograin Carbide Cutting Edges - the high-density carbide formulation resists wear under heavy workloads, maintaining sharpness longer between sharpenings and reducing downtime in production environments.
- Fatigue-Proof Steel Body - the specially formulated steel body resists stress fractures and deformation, keeping the bit stable and true even under sustained high-feed-rate routing conditions.
- CMT Orange Non-Stick P.T.F.E. Coating - the trademark protective surface prevents resin, pitch, and other residue from building up on the bit, reducing friction and heat generation for cleaner cuts and extended tool life.
- 2-Flute Design - dual cutting edges provide balanced chip evacuation and a smooth cutting action, reducing vibration and leaving cleaner surfaces in plywood, composites, and natural woods.
- Short Series Profile - the compact 2-1/2" overall length with a 1" cutting height improves rigidity compared to longer-series bits, minimizing deflection and improving cut accuracy in production routing applications.
- Strict Quality Tolerances - every bit undergoes quality testing to verify perfect cutting tolerance, balance, and concentricity, ensuring predictable performance from the first pass to the last.
Why This Product
- The micrograin carbide construction and fatigue-proof steel body make this bit a practical choice for industrial-scale production routing where consistent edge quality across high volumes of cuts is essential.
- The short series form factor reduces overhang and improves bit stability, which is especially valuable when routing dense hardwoods, composites, or laminated panels where deflection can cause inaccurate cuts.
- The P.T.F.E. non-stick coating actively resists pitch and resin buildup - a common source of burn marks and degraded cut quality - helping maintain clean results without frequent cleaning stops.
- With a 1/2" shank and right-hand rotation, this bit is compatible with a broad range of full-size handheld routers, router tables, and CNC routing machines, making it a versatile addition to any production or cabinet shop workflow.
Specifications
- Manufacturer Part Number: 811.690.11
- Brand: CMT Orange Tools
- Diameter: 3/4"
- 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
- Composite panel routing
- CNC production routing in natural woods, plywood, and composites
Frequently Asked Questions
What materials can this bit cut effectively?
This straight bit is designed for use in a variety of materials including solid hardwood, softwood, plywood, composites, and other natural woods. The micrograin carbide cutting edges and fatigue-proof steel body are built to handle even heavy production workloads across these material types.
What is the purpose of the orange P.T.F.E. coating on this bit?
The orange P.T.F.E. non-stick coating is CMT's trademark surface treatment that helps prevent resin, pitch, and other debris from adhering to the bit during cutting. This reduces heat buildup, keeps the cutting edges cleaner for longer, and protects the bit body against corrosion - contributing to longer overall tool life.
Why choose a short series bit over a standard length straight bit?
Short series bits offer a more compact overall length - in this case 2-1/2" - which improves bit rigidity and reduces the risk of deflection during the cut. This makes them particularly well suited for applications where precision is critical, such as dadoing, mortising, and template routing in hardwoods or dense composite panels.
Is this bit compatible with CNC routing machines?
Yes. The 1/2" shank, right-hand rotation, and strict quality testing for balance and concentricity make this bit suitable for use on CNC routing machines as well as handheld routers and router tables. Its design is intended to support consistent, repeatable results at production scale.
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