Product Description
CMT Conical Spiral Bit Z3 1/16" Dia. by CMT is a precision-engineered solid carbide conical spiral router cutter designed for demanding 2D and 3D CNC profiling and carving operations. With a 3-flute spiral geometry, this bit delivers excellent surface finish quality on the underside of the workpiece while ejecting chips upward to keep the cut area clear. Purpose-built for routing plastic, aluminum, and wood, it handles a wide range of materials where clean tapered profiles and precise conical channels are required.
Key Features
- Solid carbide construction (HWM material grade) - provides superior wear resistance and long tool life compared to carbide-tipped alternatives, allowing for more resharpenings and consistent performance over time.
- 3-flute (Z3) spiral geometry - three cutting edges work together to distribute cutting load evenly, resulting in smoother cuts, reduced vibration, and an excellent finish on the lower side of the workpiece.
- Upward chip ejection - actively clears chips away from the cutting zone during operation, reducing recutting of material and helping maintain cut quality throughout long production runs.
- 5.4 deg. conical cutting angle - creates precise tapered profiles and conical channels suited for 2D and 3D CNC carving applications across plastic, aluminum, and wood.
- 1/4" shank diameter - fits standard CNC router collets and router tables, making this bit broadly compatible with common CNC routing setups without adapters.
- 1" cutting height with 1/32" radius - provides adequate depth capacity for profiling and carving passes while the radiused tip helps produce smooth, finished contours at the base of the cut.
- Right-hand (RH) rotation - compatible with the standard spindle direction of virtually all CNC routing machines and routers, ensuring straightforward drop-in use.
Why This Product
- Specially designed for 2D and 3D CNC profiling and carving - this is not a general-purpose bit but a targeted tool for operators who need accurate conical profiles in plastic, aluminum, and wood without secondary finishing work.
- The upward chip ejection design keeps the cut path clear during operation, which is especially valuable in production CNC environments where debris buildup can degrade cut quality and surface finish.
- Solid carbide construction means the bit holds its edge longer under the demands of CNC routing, reducing downtime for tool changes and delivering more consistent results across repeated cuts.
- The 5.4 deg. angle and 1/32" radius tip combination make this bit well suited for detailed 3D carving passes where both taper accuracy and a clean bottom surface finish are critical to the final result.
Specifications
- Manufacturer Part Number: 152.064.162
- Brand: CMT Orange Tools
- Product Type: Solid Carbide Conical Spiral Bit
- Diameter: 1/16"
- Cutting Height: 1"
- Total Length: 3"
- Radius: 1/32"
- Shank Diameter: 1/4"
- Cutting Angle: 5.4 deg.
- Number of Teeth: 3
- Rotation: Right-Hand (RH)
- Blade Material: Solid Carbide (HWM)
Approved Applications
- 2D CNC profiling in plastic, aluminum, and wood
- 3D CNC carving in plastic, aluminum, and wood
- Conical channel and tapered profile routing
- CNC routing where excellent underside surface finish is required
Frequently Asked Questions
What materials is the CMT 152.064.162 conical spiral bit designed to cut?
This bit is specially designed for 2D and 3D CNC profiling and carving in plastic, aluminum, and wood. The solid carbide construction gives it the hardness and wear resistance needed to handle both non-ferrous metals like aluminum and abrasive materials like composites and hardwoods.
What does the 5.4 deg. conical angle mean for my cuts?
The 5.4 deg. cutting angle determines the taper of the profile produced by the bit. This shallow angle is well suited for detailed 3D carving passes and conical profiling where a precise, controlled taper is needed rather than a steep V-groove. The 1/32" radius at the tip also helps produce a smooth, finished contour at the base of the cut.
Why does chip ejection direction matter for CNC routing?
This bit features upward chip ejection, which means chips and debris are pushed away from the cutting zone toward the top of the workpiece during operation. This helps prevent chips from being recut, which can cause surface defects and accelerate bit wear - making upward ejection particularly valuable for achieving the excellent lower-side finish this bit is designed to produce.
Is this bit compatible with a standard 1/4" CNC router collet?
Yes. The CMT 152.064.162 has a 1/4" shank diameter and right-hand (RH) rotation, making it compatible with standard 1/4" collets found on most CNC routing machines and router tables that spin in the conventional right-hand direction.
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