31-Pc Glass Polishing Disc Set & Mandrel – 4 Grits
31-Pc Glass Polishing Disc Set & Mandrel – 4 Grits
31-Piece Polishing Disc Set with Mandrel – Coarse to Superfine Grits
Achieve a flawless, mirror-like finish on glass and composite materials with this comprehensive 31-piece polishing disc set. Featuring four progressive grit levels — Coarse, Medium, Fine, and Superfine — this kit takes you all the way from initial shaping to high-gloss polishing in one convenient pack. Whether you're working on glass edges, resin, ceramics, or similar surfaces, these flexible discs deliver precise, professional-quality results.
Key Features
- Complete 31-Piece Kit: Includes 30 assorted polishing discs (across all four grit levels) plus 1 mandrel — everything you need to get started right away.
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4-Stage Grit System:
- Coarse – Initial shaping and material removal
- Medium – Surface smoothing and scratch reduction
- Fine – Fine finishing and pre-polishing
- Superfine – High-gloss, mirror polishing
- Dual Disc Sizes: 12.7 mm and 9.5 mm diameter discs for versatile use on different surface areas.
- 2.35 mm Mandrel Compatible: Fits standard RA / 2.35 mm rotary tool shanks for easy attachment to most rotary handpieces and drills.
- Autoclavable up to 135°C: Built to withstand high-temperature sterilization, making them ideal for professional workshop environments.
- Flexible Composite Backing: The abrasive-coated flexible backing conforms to curved and irregular surfaces for even, consistent finishing.
Specifications
| Pack Contents | 30 polishing discs + 1 mandrel |
| Grit Types | Coarse, Medium, Fine, Superfine |
| Disc Diameters | 12.7 mm / 9.5 mm |
| Shank Size | 2.35 mm (RA compatible) |
| Max Autoclave Temperature | 135°C |
| Material | Flexible composite backing with abrasive coating |
| Country of Origin | Made in China |
Who Is This For?
This polishing disc set is ideal for hobbyists, craftspeople, jewelers, and workshop professionals who regularly work with glass, resin, ceramics, or other hard materials and need a reliable multi-stage finishing system in a single affordable kit.
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Frequently Asked Questions
Q: What materials can these polishing discs be used on?
A: These polishing discs are designed primarily for glass material finishing, but they also work effectively on resin, ceramics, and similar hard or semi-hard composite surfaces. The four-grit system (Coarse, Medium, Fine, Superfine) allows you to progressively refine any surface from rough shaping to a high-gloss finish.
Q: What rotary tools are compatible with the included mandrel?
A: The included mandrel features a 2.35 mm shank, which is compatible with most standard RA rotary handpieces, dental-style rotary tools, and Dremel-type rotary tools that accept a 2.35 mm collet or chuck. Always confirm your tool's collet size before use.
Q: Can these discs be sterilized or cleaned after use?
A: Yes. These discs are autoclavable up to 135°C, making them suitable for repeated use in professional or workshop environments where sterilization between uses is required.
Q: How many discs of each grit level are included?
A: The set includes 30 discs in total, assorted across the four grit levels (Coarse, Medium, Fine, and Superfine), plus 1 mandrel. The exact quantity per grit level may vary; the assortment is designed to cover all stages of the finishing process.
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.