Features
- X‑Lock quick‑change, snap‑on mounting with lever release
- Aluminum oxide abrasive for metal work
- Backward compatible with 7/8" arbor mounts
- 4-1/2" diameter, 100 grit
- Pack of 25 discs
- No perforations (solid fiber discs)
Specifications
| Diameter | 4-1/2 in (115 mm) |
| Grit | 100 (fine) |
| Abrasive | Aluminum oxide |
| Mount Type | X‑Lock snap-on |
| Arbor Compatibility | 7/8 in arbor (backward compatible) |
| Pack Quantity | 25 discs |
| Perforation | No holes |
| Typical Applications | Metal surface finishing, weld blending, rust removal |
| Includes | 25 x 4-1/2" fiber discs |
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A pack of 4-1/2" fiber sanding discs using aluminum oxide abrasive. Designed for use on metal for surface finishing, weld blending, and rust removal. Discs mount to an X‑Lock backing pad for tool-free installation and are compatible with standard 7/8" arbor grinders.
Model Number: FBX45100
Project Ideas
Business
Mobile Handrail & Gate Rust Rehab
Offer on-site rust removal, weld blending, and repainting for residential/HOA handrails and gates. Use 100‑grit to prep a paintable surface profile quickly with X‑Lock disc swaps. Price by linear foot and sell yearly maintenance plans.
Weld Seam Blending for Small Fabricators
Provide white‑label post‑weld finishing to local welding shops that lack finishing capacity. Blend welds, soften edges, and prep for paint or powder. Charge per seam/part and use the 25‑pack to batch jobs efficiently.
Patio Metal Furniture Refinishing Service
Refinish rusty outdoor steel chairs, benches, and frames. Strip flaking coatings and corrosion with the fiber discs, smooth surfaces, then prime and topcoat. Offer pickup/delivery and package pricing per set.
Auto/Trailer Brackets & Hardware Prep
Partner with detailers and restoration hobbyists to clean and prep steel brackets, hitch parts, and underbody accessories for paint. Provide quick turnaround, consistent satin finish, and masking of mating surfaces.
Restored Tools & Shop Decor Resale
Source rusty vises, clamps, stands, and metal signage at auctions and classifieds. Use the discs to de‑rust and blend surfaces, repaint or clear coat, then resell on Etsy/FB Marketplace with before/after photos and bundled kits.
Creative
Brushed Steel Skyline Wall Art
Cut or source steel panels and use the 100‑grit discs to create directional brush patterns for clouds, water, or skyline silhouettes. Mask with tape to alternate grain directions for contrast, then clear coat. The X‑Lock quick change lets you swap discs fast to keep the grain consistent across multiple panels.
Upcycled Metal Furniture Glow-Up
Rescue rusty steel stools, chairs, and side tables. Blend welds, knock down sharp edges, and remove rust/old finish with the 100‑grit discs to a satin base. Add a blackening/patina solution or metal primer and durable topcoat for a factory-like finish.
Custom Metal Signs with Blended Edges
Create or outsource cut letters/plaques in mild steel. Use the discs to radius edges, blend cut marks, and add a uniform brushed face before paint or clear. Layer masked brush directions for logos and scripted text highlights.
Restored Vintage Tools Display
Clean up rusty wrenches, vises, and jacks. Remove oxidation and old paint, then blend surfaces to a consistent satin. Finish with oil, wax, or paint for a museum‑style display rack or shadowboard feature wall.
Textured Metal Sculpture Panels
Create abstract panels by varying pressure and pass patterns to build light-catching textures. Use stencils to ‘etch’ graphics via scratch direction, then apply a patina and clear coat to lock in depth.