

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.
Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.
โก Elevate your CNC game with precision that lasts and detail that dazzles!
The SpeTool Tapered Spiral Ball Nose Router Bit features a 0.5mm radius ultra-fine ball nose and a durable TiAlN-coated tungsten carbide body for 3x longer life. Its 2-flute spiral design ensures rapid chip evacuation and smooth cutting across hardwood, MDF, acrylic, and aluminum. With a 1-1/4" cut length and 1/4" shank, itโs engineered for deep, intricate 3D carving and versatile multi-material use, making it a must-have for professional CNC engraving projects.










| ASIN | B0778F6KP8 |
| Best Sellers Rank | 47,140 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 4 in Tapered End Mills |
| Brand | SpeTool |
| Country Of Origin | China |
| Customer Reviews | 4.7 4.7 out of 5 stars (243) |
| Cut Type | Ball End |
| Cutting Diameter | 1 Millimetres |
| Cutting Length | 1.25 Inches |
| End Cut Type | Ball End |
| Finish Types | AlTiN |
| Helix Angle | 3E+1 Degrees |
| Item Shape | Round |
| Manufacturer | SpeTool |
| Manufacturer Part Number | R0.5-D1/4 FBA |
| Material | Tungsten Carbide |
| Model Number | R0.5-D1/4 FBA |
| Number of Cutting Edges | 2 |
| Number of Flutes | 2 |
| Size Name | D=1.0MM |
| Tolerance Held | Precision |
| Unit Count | 1.0 count |
M**T
Great
Great product and fast delivery
A**A
Good CNC bits
Sharp and durable
T**E
I picked up the SpeTool Tapered Ball Nose Spiral Router Bit (1.0mm tip / 0.5mm radius) for detailed carving work, and it performed beautifully. Cut Quality & Precision: This bit is excellent for fine detail work. The small tip allows for very clean, controlled cuts, making it ideal for intricate designs. I used it to carve a detailed log cabin into wood, and the results were crisp with smooth transitions and minimal fuzzing. Control & Stability: The tapered design really helps with rigidity. Even at small diameters, the bit feels stable and predictable, which makes it much easier to work confidently on delicate features like grooves, corners, and texture lines. Finish & Durability: Edges stay sharp and leave a surprisingly clean finish for such a small bit. I didnโt notice any burning or chatter when using appropriate speeds and light passes. Value: For the price, the quality is excellent. It performs like a much more expensive precision carving bit and holds up well under careful use. Bottom Line: If you do CNC work or detailed hand-guided carving and need a reliable bit for fine detail, this one is a great choice. Perfect for architectural details, textures, and small-scale relief carving. Highly recommended.
J**R
Broke my original. 1/4โ drive and worked liked a champ. Clean cuts and does what I need it to. Price wasnโt to bad for the item.
B**.
I have been ordering this same size bit from another seller here on Amazon, and the difference is night and day. The bits from the other seller here lately are delivered already dull and I suspect those are used bits. The reason I state this is because there is absolutely no way those bits can be new, especially when compared to way the SpeTool bit cuts, I am currently using my CNC machine carving my 4th piece with the SpeTool Tapered Ball Nose End Mill and it is still super sharp. The other sellers bits are cutting for me like the ones I replace when they are dull, all kinds of wood "fuzzies" ay the edges of cuts. With this bit for SpeTool I am not getting any of those "fuzzies" even on my 4th carve, so I highly recommend this bit.
V**L
Everything good
J**U
At first I was skeptical getting this bit, but as they were highly recommended thought it would be worth a go. I've been using it for Corain carving and 3d models in hard wood. WOW! Over 60 hours on it and still as sharp as the day it were new. They cut so clean that clean up of fuzzies is a thing of the past. My new go to tool bits!!
Trustpilot
2 days ago
2 months ago