what are the preferred rpm, feed rate, plunge rate so that i can configure my CAM software?

I use trial and error on tapered BN bits as the geometry varies from the tip as you move up the bit. For 3d carving I will run a roughing pass first, then change to the TBN and start at about 2 IPS for both feed and plunge and move towards 3.5. I will start my rpms at 12k and go up or down. Whatever tip size, I generally use 10% stepover. As I run test passes on the wood type I am using I listen for any stress or chatter. As I finish the run and the bit stops spinning, I verify that it is not hot to the touch and finally view the test carve for results. Again, this is my process for any size TBN.

Is there a SpeTool database?

Yes, there is just go to SpeTool website and you can download the database for Fusion 360, Vectric, and others there.

How many inches per minute do you run with this mill? my no load rpm available are 8,000-24,000 rpm. any suggestions appreciated

I do 18000rpm in my cnc and find it leaves a nice cut on hard woods

What are the general speeds, spm, and depth for this bit for oak carving, for fine detail ? I am just starting out. Thanks for any info. jc

I can't give any suggestions because I don't know what machine you have, spindle or router, horsepower nor it's rigidity.

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SpeTool Tapered Spiral End Mill Ball Nose 0.5mm Radius 1/4'' Shank CNC Router Bits Solid Tungsten Carbide 2-Flute TiAlN Coated Milling Cutter for 2D and 3D Engraving Carving Woodworking

SpeTool Tapered Spiral End Mill Ball Nose 0.5mm Radius 1/4'' Shank CNC Router Bits Solid Tungsten Carbide 2-Flute TiAlN Coated Milling Cutter for 2D and 3D Engraving Carving Woodworking

Product ID: 406968828

Details

Cutting diameter
1 Millimeters
Cutting length
1.25 Inches
Finish type
TiAlN
Material
Tungsten Steel
Number of flutes
2

🔥TiAlN thermal coating

🔩Solid tungsten carbide build

⚙️0.5mm precision radius

¥12097

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Description

⚡ Elevate Your Craft with Precision & Power!

EXTENDED SERVICE LIFE - Crafted from solid tungsten carbide to minimize cutter changes and maximize productivity.
VERSATILE COMPATIBILITY - Perfect for CNC routers and handheld tools with a 1/4'' shank—wood, metal, acrylic, and more.
HEAT RESISTANT TI AL N COATING - Run higher spindle speeds without overheating—longer bit life, less downtime.
PINPOINT PRECISION AT 0 5 MM RADIUS - Achieve ultra-fine detail with industry-leading accuracy for flawless 2D & 3D engraving.
TAPERED DESIGN FOR ULTIMATE RIGIDITY - Reinforced tip reduces breakage during deep plunges, balancing strength and finesse.

The SpeTool Tapered Spiral Ball Nose End Mill features a 0.5mm radius and a 1/4'' shank, crafted from solid tungsten carbide with a durable TiAlN coating. Designed for CNC and handheld routers, it delivers exceptional precision and heat resistance for detailed 2D and 3D engraving on wood, metals, and plastics—ensuring longer tool life and fewer interruptions.

Specifications

ASIN	B0778F6KP8
Brand Name	SpeTool
Corner Radius	0.5 Millimeters
Customer Reviews	4.7 4.7 out of 5 stars (249)
Cut Type	Ball End
Cutting Diameter	1 Millimeters
Cutting Length	1.25 Inches
End Cut Type	Ball End
Finish Types	TiAlN
Helix Angle	3E+1 Degrees
Manufacturer	SpeTool
Material Type	Tungsten Steel
Model	R0.5-D1/4 FBA
Number of Cutting Edges	2
Number of Flutes	2
Number of Items	1
Part Number	R0.5-D1/4 FBA
Shape	Taper
Size Name	D=1.0MM
Tolerance Held	Precision
Unit Count	1.0 Count

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¥12097

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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