Double flute ball nose router bit in 10x40x80L size is designed for stable CNC contouring, curved-surface machining and efficient material removal. The two cutting edges provide balanced engagement, while the ball nose profile follows three-dimensional geometry for molds, reliefs, prototypes and shaped components. Its 10 mm diameter, 40 mm cutting length and 80 mm overall length suit compatible CNC machines.
10x40x80L Double Flute Ball Nose Router Bit Overview
The rounded cutting tip produces smooth transitions on curved or sculpted surfaces. Two flutes can increase edge contact and support an even finish when chip evacuation, spindle speed and feed rate are properly matched. The longer cutting section provides useful reach, but users should minimize unnecessary overhang and confirm that the machine, collet and workpiece setup provide adequate rigidity.
Key Features and Benefits
- 10 mm ball nose diameter for curved surfaces and three-dimensional profiles.
- 40 mm cutting length supports deeper contours with a suitable tool path.
- 80 mm overall length offers practical reach for compatible CNC equipment.
- Double-flute geometry balances material removal and finished-surface quality.
- Precision-ground edges support predictable cutting when parameters are correct.
CNC Applications
A double flute ball nose router bit can be used for 3D carving, mold contours, decorative reliefs, sign making, prototype machining, curved pockets and surface finishing. Compatible materials may include acrylic, selected plastics, wood-based panels, non-ferrous materials or composites, depending on the specific tool material and edge design. Always confirm the workpiece grade and test before production.
The bit can support roughing with a controlled stepover or finishing with a smaller stepover to reduce visible tool marks. Final quality depends on tool-path direction, machine accuracy, runout, cutting load and programmed tolerance. For detailed work, leave a consistent finishing allowance and use a separate finishing pass rather than forcing the full depth in one operation.
Recommended Machine Setup
Clean the collet and shank before installation, verify spindle runout and secure the workpiece firmly. Keep tool overhang as short as the required depth allows. Begin with conservative spindle speed, feed rate, pass depth and stepover. Observe cutting sound, chip shape, heat and surface finish, then adjust one parameter at a time to find a stable production setting.
Use suitable air blast, coolant or lubrication when required by the material and permitted by the machine. Effective chip evacuation prevents recutting and can reduce heat. Stop immediately if vibration, abnormal noise or edge chipping appears. Record the approved parameters so future operators can reproduce tool life, cycle time and finished-surface results more consistently.
Tool Material, Inspection and Storage
Edge quality, carbide grade and machining conditions influence tool life. Buyers can review the general properties of tungsten carbide when comparing wear resistance and rigidity. Inspect both flutes under good lighting before every job. Replace the cutter if chipping, heavy wear, built-up material or damage to the shank is visible.
Store the router bit in a dry protective case and prevent the cutting edges from touching other tools. Clean residue with an appropriate workshop method and protect the long cutting section during transport. A documented inspection routine is especially useful for distributors and factories comparing batches, repeat orders and different workpiece materials.
How to Select the Correct 10x40x80L Tool
Confirm the cutting diameter, cutting length, shank diameter, overall length and ball radius before ordering. Also provide the workpiece material, spindle type, collet size, target depth, required surface finish and order quantity. A drawing or sample photo helps the supplier check whether this 10x40x80L specification or a customized option is more practical.
JEEFOO Supplier in Guangzhou, China
JEEFOO supplies CNC cutting tools from Guangzhou, China to distributors, workshops and manufacturing users. The team can review standard dimensions, custom requirements, packaging, labeling and sample needs for export or local orders. Browse more JEEFOO CNC router bits or send machine and application information for a practical recommendation.
Frequently Asked Questions
What is a double flute ball nose router bit used for?
It is commonly used for 3D contouring, curved surfaces, molds, relief carving and finishing. The rounded tip follows complex shapes, while two flutes provide balanced cutting engagement.
Can JEEFOO provide a custom specification?
Yes. Send the confirmed dimensions, workpiece material, machine details, drawing and quantity. JEEFOO can review a standard or customized double flute ball nose router bit for the application.
