Technical Specifications
| Parameter | Technical Specification |
| Brand | ADN® (Made in Thailand) |
| Product Model | Spider Flexible Mounted Abrasive Disc |
| Disc Diameter |
Φ23mm |
| Shank / Mandrel Diameter |
2.35 mm (3/32” Standard Collet Fit) |
| Recommended Operating Speed | 3,000 – 5,000 RPM |
| Available Grit Spectrum | 150#, 220#, 320#, 400#, 600#, 800#, 1000#, 1200# |
| Color Code System | Bronze (150#), Silver (220#), Blue (320#), Red (400#), Orange (600#), Green (800#), Purple (1000#), Grey (1200#) |
| Target Materials | Gold, Silver, Platinum, Stainless Steel, Titanium, Brass, Bronze |
Execute seamless contour blending, smooth fine organic jewelry castings, and refine surface finishes across precious and hard metals with authentic Thailand-made ADN® Spider Flexible Abrasive Discs. Precision-engineered for goldsmithing workbenches, watchmaking restoration ateliers, and precision micro-finishing cells, these innovative Φ23mm rotary discs are mounted on standard 2.35mm (3/32”) stainless steel shanks. Designed to operate at recommended speeds between 3,000 and 5,000 RPM, the Spider disc features an innovative, ultra-flexible backing material that yields naturally against curved geometries, delivering uniform abrasive contact from heavy 150# stock removal up to super-fine 1200# pre-mirror prep.
Key Features & Benefits
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Ultra-Flexible Spider Architecture Conforms to Curved Geometries: Rigid sanding discs chatter and create flat facets on curved ring shanks, domed surfaces, and rounded bezels. The supple backing structure flexes under contact pressure, wrapping smoothly around irregular contours without gouging workpiece details.
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Comprehensive 8-Stage Color-Coded Grit Spectrum: Available from 150# coarse stock removal to 1200# super-fine finishing (Bronze 150#, Silver 220#, Blue 320#, Red 400#, Orange 600#, Green 800#, Purple 1000#, and Grey 1200#), enabling technicians to execute multi-stage surface refinement with standardized tooling.
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Wide Operating Speed Range (3,000 – 5,000 RPM): Delivers optimal abrasive performance and smooth surface blending across standard micromotor and flexible shaft setups.
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Precision 2.35mm (3/32”) Mandrels for Concentric Stability: Built on solid stainless steel shanks to ensure vibration-free, balanced rotary running in standard handpieces.
Wholesale Inquiries & Commercial Supply
Equipping your production benches or sourcing premium rotary abrasives for regional trade distribution? We provide direct volume manufacturing fulfillment, tiered enterprise price schedules, and flexible batch assortments across the full ADN® Spider abrasive range (150# through 1200#). Click the Get a Quote button to connect with our corporate sales team for customized volume pricing and supply terms.













