--- product_id: 401594593 title: "Radius Ball Turning Tool for Lathe – 3/8\" Shank HSS Tool Bit – Turns Concave & Convex Balls – Fits 7x14 & 7x16 Mini Lathes" brand: "assorts" price: "$188.47" currency: USD in_stock: true category: "Assorts" url: https://www.desertcart.ec/products/401594593-radius-ball-turning-tool-for-lathe-3-8-shank-hss store_origin: EC region: Ecuador --- # Turns both concave & convex spheres 3/8" HSS Shank for precision fit Durable high-speed steel for long life Radius Ball Turning Tool for Lathe – 3/8" Shank HSS Tool Bit – Turns Concave & Convex Balls – Fits 7x14 & 7x16 Mini Lathes **Brand:** assorts **Price:** $188.47 **Availability:** ✅ In Stock ## Summary > ⚙️ Turn heads with every sphere – precision meets power! ## Quick Answers - **What is this?** Radius Ball Turning Tool for Lathe – 3/8" Shank HSS Tool Bit – Turns Concave & Convex Balls – Fits 7x14 & 7x16 Mini Lathes by assorts - **How much does it cost?** $188.47 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/401594593-radius-ball-turning-tool-for-lathe-3-8-shank-hss) ## Best For - assorts enthusiasts ## Why This Product - Trusted assorts brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust HSS Construction:** High-speed steel tool bit built to withstand repeated machining without dulling. - • **Precision Sphere Crafting:** Achieve flawless concave and convex metal balls with ease on your mini lathe. - • **Compact & Efficient Design:** Streamlined tool shape for quick changes and enhanced handling during projects. - • **Expand Your Lathe’s Potential:** Unlock complex spherical turning capabilities previously out of reach with standard tools. - • **Universal Mini Lathe Compatibility:** Perfectly fits 7x14 & 7x16 mini lathes for versatile workshop use. ## Overview The Radius Ball Turning Tool features a 3/8" HSS shank designed for precise turning of concave and convex metal spheres on popular 7x14 and 7x16 mini lathes. Its durable high-speed steel construction ensures long-lasting performance, while the compact design allows for easy handling and quick tool changes, making it an essential upgrade for hobbyists and professionals aiming to expand their lathe’s capabilities. ## Description Assorts Radius Ball Turning Tool for Lathe – 3/8" Shank HSS Tool Bit – Turns Concave & Convex Balls – Fits 7x14 & 7x16 Mini Lathes - desertcart.com ## Features - Precision Radius Ball Turning Tool Designed For Accurate Machining Of Concave And Convex Metal Spheres On Mini Lathes. - 3/8" Shank HSS Tool Bit Ideal For Light To Medium-duty Sphere Turning Operations On 7x14 & 7x16 Mini Lathes. - Multiple Sizes To Suit Your Needs: From 3/8" Shank Hss Bits To Larger Radius Tools Supporting Up To 65mm Max Radius For A Wide Range Of Projects. - Durable & Reliable Construction Designed For Repeated Use, Delivering Long-lasting Performance For Hobbyists, Machinists, And Professionals. - Enhances Mini Lathe Capabilities By Enabling Complex Spherical Radius Turning Previously Difficult With Standard Lathe Tools. - Compact Design For Easy Handling And Quick Tool Changes, Maximizing Workshop Efficiency And Productivity. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09KV8MGSZ | | Best Sellers Rank | #643,629 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #612 in Lathe Turning Tools | | Color | Black | | Customer Reviews | 3.1 3.1 out of 5 stars (28) | | Date First Available | November 2, 2021 | | Included Components | 1 ball turning | | Item Package Quantity | 1 | | Item Weight | 8.8 ounces | | Item model number | ALRTA-19 | | Manufacturer | Assort Machine Tools Co. | | Material | Tool Steel | | Package Dimensions | 6.3 x 3.82 x 1.65 inches | | Part Number | ALRTA-19 | | Power Source | hand_powered | | Size | 3/8" HSS Shank | ## Images ![Radius Ball Turning Tool for Lathe – 3/8" Shank HSS Tool Bit – Turns Concave & Convex Balls – Fits 7x14 & 7x16 Mini Lathes - Image 1](https://m.media-amazon.com/images/I/51rStJc3mAL.jpg) ![Radius Ball Turning Tool for Lathe – 3/8" Shank HSS Tool Bit – Turns Concave & Convex Balls – Fits 7x14 & 7x16 Mini Lathes - Image 2](https://m.media-amazon.com/images/I/31a9ztWhPOL.jpg) ![Radius Ball Turning Tool for Lathe – 3/8" Shank HSS Tool Bit – Turns Concave & Convex Balls – Fits 7x14 & 7x16 Mini Lathes - Image 3](https://m.media-amazon.com/images/I/41XGsxjN4WL.jpg) ![Radius Ball Turning Tool for Lathe – 3/8" Shank HSS Tool Bit – Turns Concave & Convex Balls – Fits 7x14 & 7x16 Mini Lathes - Image 4](https://m.media-amazon.com/images/I/41xlNsQzHbL.jpg) ![Radius Ball Turning Tool for Lathe – 3/8" Shank HSS Tool Bit – Turns Concave & Convex Balls – Fits 7x14 & 7x16 Mini Lathes - Image 5](https://m.media-amazon.com/images/I/41GBnhvdomL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Assorts Radius Ball Turning Tool for Lathe 3/8" Shank with HSS Tool Bit - 7 Pieces Center Drill Bits Set, M2 High Speed Steel 60-Degree Angle Center Drill Bits Kit Countersink Tools for Lathe Metalworking Size 1.0 1.5 2.0 2.5 3.0 4.0 5.0 - Mini Parting Tool Cut off Holder with 6Pcs HSS Blades for Mini Lathes 8mm Shank --- ## 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.ec/products/401594593-radius-ball-turning-tool-for-lathe-3-8-shank-hss](https://www.desertcart.ec/products/401594593-radius-ball-turning-tool-for-lathe-3-8-shank-hss) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-08-27*