Stock up and save. The Proxxon 50-pack fiber cut-off discs are the bulk option for the same fiberglass-reinforced 7/8" (22mm) discs included in the 10-pack starter kit (No. 28808) — ideal for high-volume users, production environments, or anyone who goes through discs regularly. At $37 for 50 vs. $11 for 10, the bulk pack delivers a meaningful cost-per-disc saving for frequent users. Key Specifications Disc diameter: 7/8" (22mm) Disc thickness: 1/32" (0.8mm) Arbor/shank: 2.35mm — standard Micromot collet size Construction: Fiberglass-reinforced fiber — nearly unbreakable Quantity: 50 discs per pack Part No.: 28809 Compatible Materials Steel: Standard, alloyed, and stainless steel Non-ferrous metals: Aluminum, brass, copper Wood: Hardwood, softwood, dowels, and thin stock Plastics: ABS, acrylic, PVC, and similar materials Which Pack Size Is Right for You? 10-pack + mandrel (No. 28808): Best for new users or occasional use — includes a mandrel to get started immediately 50-pack (No. 28809): Best for regular or production use — lower cost per disc, no mandrel included (use your existing mandrel from the 10-pack) 1-1/2" 5-pack (No. 28818): Best when you need greater cutting depth on thicker stock Frequently Asked Questions Is a mandrel included?No — this bulk pack contains discs only. If you need a mandrel, the 10-pack (No. 28808) includes one. What rotary tools are these compatible with?These discs fit any Micromot-compatible tool with a 2.35mm collet, including the IBS/E and IBS/A. What do I use after cutting to clean up the edge?Follow up with a corundum grinding bit for deburring, then felt polishing bits for a finished surface. Works Well With Proxxon Fiber Cut-Off Discs — 10-Pack + Mandrel, Ø 7/8" (No. 28808) — starter pack with mandrel included Proxxon Fiber Cut-Off Discs — 5-Pack, Ø 1-1/2" (No. 28818) — larger diameter for deeper cuts Proxxon Professional Rotary Tool IBS/E — recommended corded Micromot host tool Proxxon Cordless Drill/Grinder IBS/A (Tool Only) — cordless option Proxxon Corundum Grinding Bits — Wheel Shape, 3-Pack — deburr and clean up cut edges Returns can only be accepted for unused product in its original packaging. A copy of the original packing slip or invoice is required. For warranty claims please call 1-877-776-9966. Please see our return and refund policy here. California Residents Prop 65 Information WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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