Freud CNC Router Bit 72-202 1/4 Inch Cutting Diameter (1/4 Shank Solid Carbide Up Cut Spiral Ball Nose 3D Carving Wood Plastic Aluminum Tool)
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Professional Solid Carbide Up Cut Spiral Ball Nose CNC Routing and Deep 3D Carving Bit
The Freud 72-202 is an industrial-grade 1/4-inch cutting diameter solid carbide up cut spiral ball nose router bit featuring a 1/4-inch shank and an extra-long 1-1/8 inch cutting length, engineered to execute high-precision 3D contouring, deep-reach relief work, and complex dimensional layout carvings. Forged from proprietary TiCo super density carbide with chromium, this premium dual-flute milling tool delivers up to twice the tool life and cutting performance of standard uncoated alternatives under heavy manufacturing environments. Operating up to an architectural maximum threshold of 24,000 RPM on CNC machinery, automated production tables, and specialized handheld units, its aggressive upward-helix spiral geometry continually pulls waste chips up and away from the cut path to eliminate parasitic friction heat and prevent bottom-surface fiber tear-out.
Best Used For:
- Deep-Reach 3D Contour Carving: Machining high-aspect dimensional wood portraits, architectural models, and deep relief molding details into thick premium hardwoods.
- Deep Rounded Core Grooving: Cutting uniform, micro-smooth radius channels and deep flutes into structural signage panels or cabinetry frameworks without edge burning.
- Abrasive Non-Ferrous Milling: Slotting and pocketing profiles cleanly through composite plastics, acrylic sheets, and thin aluminum blanks without melting or chip re-welding.
Key Performance & Safety Features
- Up Cut Spiral Flute Architecture: High-helix flute channels continuously extract structural dust fields vertically, preventing pack-loading and ensuring cooler operating matrix metrics.
- Precision Rounded Ball Nose Tip: Ground with a tight 1/8-inch nose radius to generate exceptionally smooth scalloped paths and zero-clearance internal corners on multi-axis equipment.
- Extra-Long 1-1/8 Inch Cutter Height: Extended carbide height maximizes linear plunge reach capabilities when slotting thick material templates or nested profiles.
- TiCo Super Density Carbide Metallurgy: Custom-formulated carbide substrate with chromium addition offers absolute structural hardness to maintain sharp edge retention under severe friction.
- Balanced Dual Flute Matrix: Two-cutter concentric configuration matches mechanical spindle loading to lower tool vibration and eliminate rotational deflection paths.
What's Included
- (1) Freud 72-202 1/4" Up Cut Spiral Ball Nose Solid Carbide Bit
Technical Specifications
| Brand Name: | Freud Tools |
| Model Number: | 72-202 |
| Tool Accessory Classification: | CNC Router Bit Accessory |
| Cutting Diameter (D): | 1/4 in. |
| Carbide Cutting Height (h): | 1-1/8 in. |
| Shank Diameter (A): | 1/4 in. |
| Overall Dimension Length (H): | 3 in. |
| Nose Tip Radius (R): | 1/8 in. |
| Total Number of Cutters: | 2 Flutes |
| Maximum Angular Velocity: | 24,000 RPM |
| Material Metallurgy Core: | TiCo Super-Density Solid Carbide with Chromium |
| Flute Configuration Style: | Up Cut Spiral Ball Nose Pattern |
Pro-Tip: Due to the extra-long 1-1/8 inch cutting length of this 1/4-inch shank bit, optimize your tool paths by reducing your stepdown depth per pass to a maximum of half the bit diameter when profiling dense hardwoods or aluminum. Taking multiple light, rapid depth cuts shields the narrow steel shank from high lateral strain patterns, keeping your cutter tracking perfectly square with clean finishes.
