Product Description
The CMT 811.785.11 Straight Bit Short Series is a 2-flute solid routing bit designed for precise straight cuts in demanding woodworking and production environments. With a 1 1/8 in. cutting diameter and a compact 3 in. overall length on a 1/2 in. shank, this short-series bit delivers exceptional stability and cutting accuracy when routing dadoes, grooves, rabbets, and mortises in solid hardwoods, softwoods, plywood, composites, and laminates. Built from special fatigue-proof steel and micrograin carbide, this CMT router bit is engineered to handle heavy production workloads on handheld routers, router tables, and CNC routing machines alike.
Key Features
- Micrograin Carbide Cutting Edges (HW) - harder and denser than standard carbide, this material maintains a sharp edge longer under heavy-duty use, reducing the frequency of bit changes during production runs.
- Fatigue-Proof Steel Body - the specially formulated steel construction resists stress fractures and material fatigue, making this bit dependable even during the most demanding continuous-use applications.
- CMT Orange Non-Stick P.T.F.E. Coating - the trademark orange surface treatment prevents resin, pitch, and other residue from bonding to the bit, keeping the cutter running cleaner and cooler for a longer effective tool life.
- Short Series Geometry (3 in. Total Length) - the compact overall length reduces vibration and deflection during cuts, resulting in improved accuracy and a cleaner finish compared to longer bit profiles.
- 2-Flute Right-Hand Rotation Design - dual cutting edges provide balanced chip evacuation and smooth material removal in right-hand rotation routers, making it compatible with standard handheld and table-mounted routing setups.
- 1/2 in. Shank Diameter - the larger shank size provides a more secure collet grip than 1/4 in. shank bits, reducing runout and chatter for cleaner, more consistent cuts in demanding materials.
- Strict Quality Testing for Tolerance, Balance, and Concentricity - every bit undergoes rigorous inspection before leaving the factory, ensuring the cut path is true and the bit spins without wobble, which protects both the workpiece and the router.
Why This Product
- The 1 1/8 in. cutting diameter and 1 1/4 in. cutting height make this bit well suited for wide dado and groove work in plywood joinery and cabinetry, providing a single-pass cut that saves time on production jobs.
- The short-series design keeps the bit close to the collet, which minimizes flex and vibration during deep passes into hardwoods and composites - a real advantage when cut quality and dimensional accuracy matter.
- The P.T.F.E. non-stick coating means less time cleaning pitch and resin off the bit between uses, helping maintain cutting performance and extending the life of the tool through repeated use in natural woods and man-made panels.
- With micrograin carbide and fatigue-proof steel construction, this bit is built to hold up under CNC routing production volumes and repeated use across a wide variety of materials, making it a practical choice for professional woodshop applications.
Specifications
- Manufacturer Part Number: 811.785.11
- Brand: CMT Orange Tools
- Product Type: Straight Bit Short Series
- Diameter: 1 1/8 in.
- Cutting Height: 1 1/4 in.
- Total Length: 3 in.
- Shank: 1/2 in.
- Number of Teeth: 2
- Material: HW (Micrograin Carbide)
- Rotation: Right-Hand (RH)
Approved Applications
- Straight Cuts - Dadoes, Grooves, and Rabbets
- Mortising
- Template Routing
- Plywood Joinery
- CNC Production Routing
Frequently Asked Questions
What materials can the CMT 811.785.11 Straight Bit cut?
This bit is designed for use in a variety of materials including solid hardwoods, softwoods, plywood, composites, and natural woods. The micrograin carbide cutting edges provide the hardness needed to handle these materials at industrial production volumes without rapid edge wear.
What does the orange P.T.F.E. coating do for this router bit?
The orange non-stick P.T.F.E. coating protects the bit surface from collecting resin, pitch, and other residue during cutting. This keeps the flutes cleaner between uses, helps prevent the bit from overheating due to resin buildup, and contributes to a longer overall tool life.
Is this bit compatible with CNC routing machines?
Yes. This straight bit is compatible with handheld routers, router tables, and CNC routing machines. The 1/2 in. shank and short-series geometry are well suited for CNC applications where rigidity and consistent concentricity are required. Every bit is quality tested for perfect cutting tolerance, balance, and concentricity before use.
Why choose a short-series straight bit over a standard-length bit?
Short-series bits have a reduced total length - in this case 3 in. - which places the cutting edges closer to the collet. This shorter reach reduces vibration and deflection under load, which improves cut accuracy and surface finish quality, particularly when making wide cuts in harder or denser materials.
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