5PCS 3mm Shank Grinding Rods Mini Drill Diamond Grinding Head Bur Needle Engraving Carving Polishing Glass Jade Stone Drill Bit
These diamond-coated grinding rods are designed for precision engraving, carving, and polishing of various materials including glass, ceramics, and metals. Ideal for use with hand drills and rotary tools, they provide durability and high performance for detailed work.
Features
- Diamond coated cylindrical flat head lengthened burrs set.
- High strength and hardness.
- Durable in use.
- Suitable for grinding, shaping, and finishing with precision.
- Fits for hand drill, drill press rotary tool with a 3mm collet.
Specification
- Shank Diameter: approximately 3mm
- Head Diameter: approximately 3mm
- Overall Length: approximately 70mm
- Plated grinding sand part length: approximately 30mm
- Grit Size (US): 120
Package Content
- 5pcs x Grinding Rods
H***s –
Fine, but it took about 2 months or so, I thought the post lost them already.