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Item #:
8090428
Lathe Ball Turning Attachment Round Base with Size Scale Double Bit Convex & Concave Metal Sphere Radius Turning Tool | Fits Myford & Similar Lathes
Item #:
8090428
NZD 175
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
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In stock
Imported from USA store
Order now and get it around Tuesday, July 28
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Upgrade your lathe work with this Heavy-Duty Radius Ball Turning Attachment, designed for precision and durability.
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What Stands Out
Precision Radius Control
The Ball Turning Attachment allows for precise adjustments to achieve both concave and convex shapes, ensuring high-quality finishes tailored to any spherical radius for metalwork projects.
Versatile Metalworking Tool
Compatible with standard lathes, this attachment expands your machining capabilities, enabling the creation of intricate designs and refined spheres, setting it apart from typical lathe accessories.
Ease of Use
Designed for simplicity, this attachment makes it easy for both beginners and seasoned machinists to produce complex shapes efficiently, significantly reducing the time and effort required for detailed metalworking tasks.
Product Details
- 🎯 Dual-bit Precision Turning Tool: Designed For Accurate Spherical, Convex, And Concave Radius Turning On Metal Lathes, Allowing Smoother Transitions And Precision Shaping Of Round Components.
- ⚙️ Fits Myford & Similar Lathes: Installs Directly Onto The Cross Slide Of Myford And Other Comparable-size Lathes — Ensuring Solid Alignment And Vibration-free Operation.
- 🔧 Double Bit Design: Equipped With A Dual Tool Holder For Quick Switching Between Roughing And Finishing Tools — Improving Efficiency And Surface Finish Without Re-adjustment.
- 📏 Engraved Size Scale: Features A Graduated Radius Scale In Metric & Imperial Units For Precise Setup. Note: The Scale Reads Radius — E.g., 15 mm On The Scale Yields A 30 mm Diameter Ball.
- 🔄 Bearing-based Smooth Rotation: The Bearing-mounted Base Ensures Effortless Movement Of The Cutting Arm, Enabling Smooth, Accurate, And Consistent Turning Performance.
- 💪 Rigid & Durable Build: Constructed From Hardened Alloy Steel With Precision-ground Surfaces, Providing Strength, Accuracy, And Long Service Life For Workshop And Hobby Use.
| Brand Name | ASSORTS |
| Bearing Type | Ball Bearing |
| Part Number | BT-O-S |
| Manufacturer | Assort Machine Tools Co. |
| Model | AST01 |
| Item Dimensions | 6.3 x 5.12 x 4.33 inches (16 x 13 x 11 cm) |
| Item Weight | 3.26 Pounds (1.48 kg) |
| Outside Diameter | 42 Millimeters |
| Material Type | ALLOY TOOL STEEL |
| Compatible Lubricant | Grease |
| Specification Met | ABEC 1 |
| Brand | ASSORTS |
| Material | ALLOY TOOL STEEL |
| Item dimensions L x W x H | 6.3 x 5.12 x 4.33 inches (16 x 13 x 11 cm) |
Who Should Buy?
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Hobbyist Metalworkers
Ideal for hobbyists seeking precision in creating decorative or functional ball shapes in metal projects.
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Prototype Developers
Useful for those developing prototypes that require specific spherical shapes for testing or application purposes.
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Machinists
Great for machinists needing to produce accurate concave and convex shapes in a variety of metal materials.
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Beginner Users
Not suitable for beginners without prior lathe experience; requires skill and understanding of lathe operations.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the Assorts Radius Ball Turning Tool and what can it be used for?
Answer: The Assorts Radius Ball Turning Tool is a specialized lathe accessory designed for creating rounded shapes and contours on a variety of materials. This tool features a 3/8” shank and is equipped with a high-speed steel (HSS) tool bit, ensuring durability and precision. It's commonly used in woodworking, metalworking, and model making, allowing you to craft smooth arcs and spheres with ease. Whether you're shaping furniture legs or creating unique artistic pieces, this tool enhances versatility and creativity in your projects. -
Question:
How do you install the Assorts Radius Ball Turning Tool on a lathe?
Answer: Installing the Assorts Radius Ball Turning Tool is straightforward. First, ensure your lathe is powered off for safety. Insert the 3/8” shank into the lathe's tool holder, securing it tightly to prevent any movement during operation. Adjust the tool height and angle according to your project needs for optimal performance. Proper installation is critical for achieving the desired results, so take a moment to check that the tool is snug and aligned correctly before starting your job. -
Question:
What materials can be used with the Assorts Radius Ball Turning Tool?
Answer: The Assorts Radius Ball Turning Tool is versatile and can be used on various materials including wood, soft metals, and plastics. Its HSS tool bit is designed to handle moderate hardness, allowing for smooth and precise operation across different substances. Whether you’re working on hardwood for furniture, aluminum for machining components, or plastic for models, this tool provides excellent results. Be sure to select appropriate speeds based on the material you’re using for best outcomes. -
Question:
What are the benefits of using HSS tool bits in the Assorts Radius Ball Turning Tool?
Answer: HSS (High-Speed Steel) tool bits are favored in the Assorts Radius Ball Turning Tool due to their exceptional cutting performance and resistance to wear. HSS remains sharp longer than many alternatives and can withstand high temperatures produced during cutting operations. As a result, users benefit from both efficiency and precision, minimizing the need for frequent replacements. This is particularly useful for those tackling intricate designs or heavy workloads, ensuring a smoother workflow with consistent results. -
Question:
Can I use the Assorts Radius Ball Turning Tool for making decorative carvings?
Answer: Absolutely! The Assorts Radius Ball Turning Tool is ideal for creating decorative carvings, such as spheres and rounded edges, thanks to its precision geometry. By adjusting the lathe speed and feed rate, you can achieve different finishes and textures, making it suitable for ornamental work on furniture or artistic projects. This versatility enables woodworkers and artisans to expand their creative horizons and produce stunning, detailed designs. -
Question:
What lathe specifications are compatible with the Assorts Radius Ball Turning Tool?
Answer: The Assorts Radius Ball Turning Tool is compatible with most lathes that accept a 3/8” shank. It’s important to verify the tool holder in your lathe to ensure a secure fit. Generally, any lathe with adequate horsepower and RPM capability for your specific material will work. Most hobbyist and professional lathes should suffice, allowing users to effectively incorporate this tool into their existing setups with minimal adjustments. -
Question:
Is the Assorts Radius Ball Turning Tool suitable for beginners?
Answer: Yes, the Assorts Radius Ball Turning Tool is suitable for beginners, especially those looking to enhance their turning skills. While some degree of lathe operation knowledge is necessary, the tool’s design allows for intuitive use as users gain experience. Beginners can practice simple shapes and gradually work up to more complex designs, making it a great addition to a new woodworker's toolkit. Additionally, its durability allows users to learn without frequent tool replacements. -
Question:
How do you maintain the Assorts Radius Ball Turning Tool for longevity?
Answer: Maintaining the Assorts Radius Ball Turning Tool is crucial for ensuring its longevity and performance. Regularly inspect the tool bit for signs of wear and replace it when necessary. Clean the tool after each use to prevent material buildup, which can hinder performance. Additionally, store it in a dry, safe place to avoid damage. Proper care will help maintain cutting efficiency and extend the overall life of the tool, making it a reliable part of your workshop. -
Question:
What are common applications for the Assorts Radius Ball Turning Tool in woodworking?
Answer: In woodworking, the Assorts Radius Ball Turning Tool can be used for various applications, such as crafting furniture legs, decorative finials, and intricate patterns in woodworking projects. By making rounded edges and smooth curves, it enhances both the functionality and aesthetic appeal of wooden pieces. This tool is particularly valuable for those looking to add a professional touch to their furniture or unique creations, allowing craftsmen to stand out in their designs. -
Question:
Where can I buy the Assorts Radius Ball Turning Tool for Lathe 3/8 Shank with HSS Tool Bit?
Answer: You can purchase the Assorts Radius Ball Turning Tool for Lathe 3/8 Shank with HSS Tool Bit on Ubuy. Ubuy offers a reliable platform for acquiring this tool, ensuring customers have access to quality products. By choosing Ubuy, you can conveniently explore various options and find the right tools and accessories to enhance your lathe work, making it a go-to destination for tools and equipment.
ASSORTS Turning Tools Editorial Review
Ball Turning Attachment For Lathe-Turns Round Concave and Convex Metal-Sphere Radius ball turning The Ball Turning Attachment is a reasonably priced tool for your lathe designed to turn concave and convex shape metals into spheres. The tool has mounting holes at 0.325" and counter-sunk at 0.225". The base is 0.410". Customers have noted that the product needs some modifications to work efficiently. A custom mount needs to be made and a bushing added to prevent the screw from locking up. Reviewers say the tool has a sloppy Construction, lacks a fine adjustment tool block and the bearing needs to be improved. Custom shims were needed to get the tool centered, which is a common modification. If manuals measuring is used, the diameter of the cut is a little tricky to set, and more precision is required to achieve the desired result. Customers could use the product on a jet 9x20 or a harbor freight 7x12 mini lathe.
Customer Reviews & Ratings
106 customers ratings
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5 Star
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4 Star
12%
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3 Star
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2 Star
3%
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1 Star
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Pros
- Reasonably priced
- Can turn concave and convex shapes
Cons
- Sloppy Construction
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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NZD 175
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Features & Benefits
- Compatible with 7x16 and 7/16 mini lathes, plus larger machines.
- Maximum radius capacity of 65mm for smooth, accurate turning.
- Heavy-duty build with a stable bearing base for vibration-free operation.
- Includes DCMT11T304 carbide insert for long tool life and cleaner finishes.
- Features side scale with 0–90° markings for quick and precise setup.
- Perfect for hobbyists and professionals, works with various metals.
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