5pcs Bakelite Ball Lever Knobs M5–M12 Machine Tool Handles
5pcs Bakelite Ball Lever Knobs M5–M12 Machine Tool Handles
5-Pack Black Round Bakelite Ball Lever Knobs — M5 to M12 Thread
Upgrade or replace worn machine tool handles with these durable Bakelite Ball Lever Knobs. Made from high-quality bakelite with excellent insulation properties, each knob features an embedded female-thread copper nut for a rock-solid, tool-free installation. Simply hand-tighten in seconds — no special skills or equipment needed.
Key Features
- Premium Bakelite Material: Excellent insulation performance, resistant to heat and electrical conductivity.
- Embedded Copper Nut: Female-threaded copper insert ensures a secure, long-lasting fit.
- Tool-Free Installation: Hand-tighten directly onto your machine in just a few seconds.
- Wide Compatibility: Suitable for printing presses, electronic equipment, general machinery, and machine tools.
- Pack of 5: Great value — replace multiple knobs at once or keep spares on hand.
Specifications
| Material | Bakelite (with copper female-thread insert) |
| Color | Black |
| Thread Sizes | M5 / M6 / M8 / M10 / M12 (select your size) |
| Ball Diameters | 20mm / 25mm / 30mm / 35mm / 40mm (corresponding to thread size) |
| Quantity | 5 pcs per pack |
| Origin | Made in China |
Package Contents
- 5 × Bakelite Ball Lever Knobs
Notes
- Actual color may vary slightly from images due to monitor brightness and lighting conditions.
- Please allow a slight measurement deviation (±1–2 mm) due to manual measurement.
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Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What thread sizes are available for these bakelite ball lever knobs?
A: These knobs are available in five standard metric thread sizes: M5, M6, M8, M10, and M12. Each size corresponds to a specific ball diameter (20mm, 25mm, 30mm, 35mm, and 40mm respectively), so be sure to select the correct size for your machine tool.
Q: Do I need any tools or special skills to install these ball lever knobs?
A: No tools or technical skills are required. Each knob features an embedded female-thread copper nut — simply hand-tighten the knob onto the existing threaded stud of your machine in just a few seconds.
Q: What types of equipment are these bakelite knobs compatible with?
A: These round ball lever knobs are designed for wide-ranging use, including printing presses, electronic equipment, general machinery, lathes, milling machines, and other machine tools with standard M5–M12 threaded studs.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.