--- product_id: 118585013 title: "Tapered Spiral Ball Nose Router Bit - 0.5mm Radius 1/4 Inch Shank CNC Engraving Bit, TiAlN Coated Carbide 2-Flute Milling Cutter for 3D Wood Carving, MDF & Aluminum, 1-1/4\" Cut Length" brand: "spetool" price: "2486122₫" currency: VND in_stock: true reviews_count: 7 category: "Spe Tool" url: https://www.desertcart.vn/products/118585013-tapered-spiral-ball-nose-router-bit-0-5mm-radius-1 store_origin: VN region: Vietnam --- # 2-flute spiral for rapid chip evacuation 0.5mm ultra-fine ball nose for intricate detail 3x longer life TiAlN coating Tapered Spiral Ball Nose Router Bit - 0.5mm Radius 1/4 Inch Shank CNC Engraving Bit, TiAlN Coated Carbide 2-Flute Milling Cutter for 3D Wood Carving, MDF & Aluminum, 1-1/4" Cut Length **Brand:** spetool **Price:** 2486122₫ **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your CNC game with precision that lasts and detail that dazzles! ## Quick Answers - **What is this?** Tapered Spiral Ball Nose Router Bit - 0.5mm Radius 1/4 Inch Shank CNC Engraving Bit, TiAlN Coated Carbide 2-Flute Milling Cutter for 3D Wood Carving, MDF & Aluminum, 1-1/4" Cut Length by spetool - **How much does it cost?** 2486122₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/118585013-tapered-spiral-ball-nose-router-bit-0-5mm-radius-1) ## Best For - spetool enthusiasts ## Why This Product - Trusted spetool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unmatched Durability:** Industrial-grade tungsten carbide with TiAlN coating for 3x longer tool life under extreme heat. - • **Deep Reach Versatility:** 1-1/4" cut length enables complex deep pocket carving and tall 3D profiles beyond standard bits. - • **Multi-Material Powerhouse:** Effortlessly carves hardwood, MDF, acrylic, aluminum, and more with universal 1/4" shank compatibility. - • **Precision Carving Mastery:** Ultra-fine 0.5mm radius ball nose delivers razor-sharp, high-definition 3D relief details. - • **Vibration-Free Performance:** Tapered spiral design minimizes vibration and breakage for flawless, smooth cuts every time. ## Overview 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, it’s engineered for deep, intricate 3D carving and versatile multi-material use, making it a must-have for professional CNC engraving projects. ## Description Buy SpeTool Tapered Spiral Ball Nose Router Bit - 0.5mm Radius 1/4 Inch Shank CNC Engraving Bit, TiAlN Coated Carbide 2-Flute Milling Cutter for 3D Wood Carving, MDF & Aluminum, 1-1/4" Cut Length at desertcart UK. Free delivery on eligible orders. Review: Great - Great product and fast delivery Review: Good CNC bits - Sharp and durable ## Features - PREMIUM TiAlN COATED CARBIDE - Constructed from industrial-grade solid tungsten carbide for 3x longer life. The TiAlN coating handles extreme heat, preventing bit dulling during long 3D CNC engraving sessions. - ULTRA-FINE 0.5MM BALL NOSE - Specifically engineered for intricate detail and high-definition 3D relief carving. The tapered design provides superior lateral strength, minimizing vibration and tool breakage. - SMOOTH SPIRAL CHIP EVACUATION - Features a high-performance 2-flute spiral design for rapid chip removal. This prevents material melting or clogging, ensuring a clean finish on hardwoods, plywood, and soft metals. - DEEP REACH 1-1/4" CUT LENGTH - Designed for deep pocket carving and tall 3D profiles. This extended reach allows for versatile project depth that standard straight bits cannot achieve in complex woodworking. - MULTI-MATERIAL VERSATILITY - One tool for multiple projects. Highly effective on Hardwood, Oak, MDF, Acrylic, and non-ferrous metals like Aluminum and Copper. Compatible with all 1/4" CNC router collets. ## Technical Specifications | Specification | Value | |---------------|-------| | 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 | ## Product Details - **Cutting diameter:** 1 Millimetres - **Cutting length:** 1.25 Inches - **Finish type:** AlTiN - **Material:** Tungsten Carbide - **Number of flutes:** 2 ## Images ![Tapered Spiral Ball Nose Router Bit - 0.5mm Radius 1/4 Inch Shank CNC Engraving Bit, TiAlN Coated Carbide 2-Flute Milling Cutter for 3D Wood Carving, MDF & Aluminum, 1-1/4" Cut Length - Image 1](https://m.media-amazon.com/images/I/41kF3pHGh8L.jpg) ## Questions & Answers **Q: what are the preferred rpm, feed rate, plunge rate so that i can configure my CAM software?** A: 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. **Q: Is there a SpeTool database?** A: Yes, there is just go to SpeTool website and you can download the database for Fusion 360, Vectric, and others there. **Q: 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** A: I do 18000rpm in my cnc and find it leaves a nice cut on hard woods **Q: 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** A: I can't give any suggestions because I don't know what machine you have, spindle or router, horsepower nor it's rigidity. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great *by M***T on 21 March 2021* Great product and fast delivery ### ⭐⭐⭐⭐⭐ Good CNC bits *by A***A on 16 July 2025* Sharp and durable ### ⭐⭐⭐⭐⭐ Review *by T***E on 15 December 2025* 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 didn’t 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. ## Frequently Bought Together - SpeTool Tapered Ball Nose Spiral Router Bit 1.0mm Tip Diameter (0.5mm Radius) 4.82 Deg for CNC Milling Engraver Carving Bits - SpeTool Tapered Ball Nose End Mill 1/4" X 3" with 0.5mm Tip Diameter(0.25mm Radius) Ball Nose 5.26Deg for CNC Machine Engraving Carving Bits H-Si Coated - SpeTool 1/8 Inch Spiral Downcut Router Bit 1/4 Inch Shank Extra Long 3 Inch with Extra Long Life Coating CNC Carbide Router Wood Bits --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/118585013-tapered-spiral-ball-nose-router-bit-0-5mm-radius-1](https://www.desertcart.vn/products/118585013-tapered-spiral-ball-nose-router-bit-0-5mm-radius-1) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-21*