Product Description
CMT Solid Carbide Straight Bit Short Series - 15/64" Diameter, 1/2" Shank is a precision-ground, double-edged routing bit engineered for demanding production environments. Built from micrograin solid carbide and fatigue-proof steel, this compact straight bit delivers clean, accurate cuts in plywood, composites, solid hardwoods, and a wide range of natural and engineered wood materials. Its short-series profile keeps the cutting geometry tight to the collet, reducing deflection and improving control when routing dadoes, grooves, mortises, and rabbet joints on handheld routers, router tables, and CNC routing machines alike.
Key Features
- Micrograin Solid Carbide Construction - the entire cutting body is formed from high-density micrograin carbide, giving this bit exceptional hardness and wear resistance that holds a sharp edge through heavy production workloads without chipping or premature dulling.
- Fatigue-Proof Steel Body - the shank and body are made of special fatigue-proof steel that absorbs vibration and resists stress fractures, keeping the bit safe and stable even under continuous, high-volume use.
- CMT Orange Non-Stick P.T.F.E. Coating - the trademark orange surface treatment prevents resin, pitch, and other wood residue from adhering to the bit, reducing heat buildup, minimizing cleaning time, and extending the usable life of the cutter between sharpenings.
- 2-Flute Cutting Geometry, Right-Hand Rotation - the two-tooth configuration balances material removal rate with surface finish quality, making this bit well suited for straight routing passes in plywood joinery, template work, and mortising applications.
- Short Series Profile - the compact 3/4" cutting height and 2-1/2" total length reduce tool overhang and runout, which translates directly to tighter dimensional tolerances and cleaner cut walls compared to longer-series equivalents.
- Strict Quality and Concentricity Testing - every bit undergoes rigorous inspection for cutting tolerance, balance, and concentricity before leaving the factory, ensuring consistent, repeatable performance across production runs.
Why This Product
- The short-series format combined with a 1/2" shank provides a rigid, low-vibration setup that is ideal for CNC routing operations and router table work where precision and repeatability matter most.
- Micrograin solid carbide construction allows this bit to handle the demanding cutting requirements of plywood, composites, and hardwoods without the rapid edge degradation common in lower-grade tool materials.
- The P.T.F.E. non-stick coating addresses one of the most common productivity problems in wood routing - resin and pitch accumulation - by actively shedding buildup so the bit stays sharper and cuts cleaner for longer between maintenance intervals.
- With a 15/64" cutting diameter and 3/4" cutting height, this bit fills a precise size niche for joinery work, mortising, and grooves that require a narrower kerf than standard 1/4" bits, making it a practical addition to any production routing setup.
Specifications
- Manufacturer Part Number: 811.560.11
- Brand: CMT Orange Tools
- Diameter: 15/64"
- Cutting Height: 3/4"
- Total Length: 2-1/2"
- Shank: 1/2"
- Number of Teeth: 2
- Material: Solid Carbide (HWM)
- Rotation: Right-Hand (RH)
- Series: Short Series
Approved Applications
- Straight cuts including dadoes, grooves, and rabbet joints
- Mortising
- Template routing
- Plywood joinery
- General production routing in solid hardwood, softwood, plywood, and composites
Frequently Asked Questions
What materials can this solid carbide straight bit cut through?
This bit is designed for use in a variety of materials including solid hardwoods, softwoods, plywood, composites, and other natural wood products. The micrograin solid carbide construction gives it the hardness needed to handle both dense and engineered materials in production-scale applications.
What machines is this bit compatible with?
The 1/2" shank diameter makes this bit compatible with handheld routers, router tables, and CNC routing machines that accept a 1/2" collet. Always verify your router's collet size before installation.
What is the purpose of the orange P.T.F.E. coating on CMT bits?
The orange non-stick P.T.F.E. coating is applied to help prevent resin, pitch, and other residue from accumulating on the bit during use. This reduces heat buildup, makes the bit easier to clean, protects the surface from corrosion, and helps extend the overall cutting life of the tool.
Why choose a short-series bit instead of a standard-length straight bit?
Short-series bits have a more compact total length - in this case 2-1/2" overall with a 3/4" cutting height - which reduces tool deflection and runout. This results in tighter cutting tolerances, improved balance during operation, and better surface finish quality on the cut walls, especially in CNC and router table setups where precision is critical.
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