More reach, same toughness. The Proxxon large fiber cut-off discs are the bigger sibling to the 7/8" discs — fiberglass-reinforced for near-unbreakable durability, with a 1-1/2" (38mm) diameter that gives you greater cutting depth and reach on thicker stock. Same versatile material coverage: alloyed steel, standard steel, stainless steel, non-ferrous metals, wood, and plastics. What's Included 5 fiber cut-off discs, Ø 1-1/2" × 1/32" (38 × 1.0mm) Arbor shaft: 2.35mm — standard Micromot collet size Key Specifications Disc diameter: 1-1/2" (38mm) Disc thickness: 1/32" (1.0mm) Arbor/shank: 2.35mm — standard Micromot collet size Construction: Fiberglass-reinforced fiber — nearly unbreakable Quantity: 5 discs per pack Part No.: 28818 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 7/8" vs. 1-1/2" — Which Size Do You Need? The 7/8" discs (No. 28808, 10-pack + mandrel) are ideal for fine, precise cuts in tight spaces and thin stock. The 1-1/2" discs offer greater cutting depth and are better suited for thicker material and longer cuts where the smaller disc would require multiple passes. Many users keep both sizes on hand. Frequently Asked Questions Is a mandrel included?The pack includes the discs with a 2.35mm arbor shaft. If you need a separate mandrel, the 7/8" 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 the felt polishing bits for a finished surface. Works Well With Proxxon Fiber Cut-Off Discs — 10-Pack + Mandrel, Ø 7/8" (No. 28808) — smaller size for tight spaces and thin stock 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 Proxxon Felt Polishing Bits — Disc Shape, 2-Pack (No. 28803) — final finishing after grinding 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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