30-Piece Ball Mounted Point Grinding Heads – 2–4mm Rotary
30-Piece Ball Mounted Point Grinding Heads – 2–4mm Rotary
30-Piece Ball-Shaped Mounted Point Grinding Head Set
Take your rotary tool projects to the next level with this professional-grade set of 30 ball-shaped mounted point grinding heads. Made from durable emery (diamond burr style), these compact grinding bits are engineered for precision work on a wide range of hard and delicate materials. Whether you're a seasoned craftsman or a passionate DIYer, this versatile set is a must-have for metalworking, lapidary, model-making, and more.
Key Features
- 30 Pieces Per Box: A generous quantity to keep your projects running without interruption.
- Multiple Grinding Head Sizes: Includes diameters of 2mm, 2.5mm, 3mm, and 4mm to suit a wide variety of detailed grinding tasks.
- 3mm Shank Diameter: Compatible with most standard rotary tools, die grinders, hand drills, and drill presses.
- Emery Material: Provides excellent abrasion for efficient material removal on hard and brittle surfaces.
- Ball-Shaped Profile: Ideal for contouring, shaping, and reaching curved or recessed areas with ease.
- Wide Material Compatibility: Suitable for use on hard alloy steel, moulds, stone, glass, jade, gemstones, and other hard or brittle materials.
- Broad Tool Compatibility: Fits hand drills, drill presses, rotary tools, and die grinders — versatile enough for your entire workshop setup.
Specifications
| Brand | RAMS BRALIN |
| Model Number | DMP30 |
| Quantity | 30 pieces per box |
| Shank Diameter | 3mm |
| Grinding Head Diameters | 2mm, 2.5mm, 3mm, 4mm |
| Material | Emery |
| Application | Metalworking, stone, glass, jade, gemstones, hard alloys |
| Country of Origin | Made in China |
Applications
These ball-shaped grinding heads are perfect for a variety of precision tasks:
- Grinding and shaping hard alloy steel and metal moulds
- Working with stone, glass, jade, and gemstones
- Detail carving and finishing on intricate surfaces
- Reaching recessed or curved areas that flat bits cannot access
- DIY metalworking, jewellery making, and lapidary projects
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Frequently Asked Questions
Q: What rotary tools are compatible with these ball-shaped grinding heads?
A: These mounted point grinding heads feature a standard 3mm shank diameter, making them compatible with most rotary tools (such as Dremel-style tools), die grinders, hand drills, and drill presses. Always verify that your tool's collet or chuck accepts a 3mm shank before use.
Q: What materials can these grinding heads be used on?
A: These emery ball-shaped grinding heads are designed for hard and brittle materials including hard alloy steel, metal moulds, stone, glass, jade, gemstones, and similar surfaces. They are not recommended for soft materials like wood or plastic where finer finishing tools would be more appropriate.
Q: How many size options are included in this set?
A: The set includes grinding heads in four diameter sizes: 2mm, 2.5mm, 3mm, and 4mm. All pieces share a 3mm shank diameter for consistent compatibility across your tools.
Q: Are these grinding heads suitable for beginners?
A: Yes! While these tools are professional quality, they are straightforward to use with any compatible rotary tool. Beginners should start at a lower speed setting and work up as they grow comfortable with the grinding action. Always wear appropriate eye protection when operating grinding tools.
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.