The Proxxon Tungsten Vanadium Micro Twist Drills (No. 28858) are a 3-pack of ×1.6mm (1/16") precision micro twist drills for Proxxon Micromot tools, on 2.35mm shanks. Manufactured from one-piece blanks in tungsten vanadium steel for highest concentricity — the single-blank construction eliminates the joint between drill tip and shank, providing breakage safety and long service life critical at this fine diameter where drill breakage is a constant risk. For drilling metal, non-ferrous metals, plastics, and wood. Speed guidance: approximately 8,000 RPM for soft materials (wood, plastics), approximately 3,000 RPM for hard materials (steel, NF metals) — running too fast in hard materials accelerates wear and increases breakage risk at this fine diameter. Key Features ×1.6mm precision diameter — fine micro drill for small-diameter holes in metal, wood, and plastics One-piece blank construction — highest concentricity; breakage safety and long life at fine diameters Tungsten vanadium steel — for metal, NF metals, plastics, and wood 2.35mm shank — fits standard Micromot collets and keyless chucks 3-pack — spares included; essential at fine diameters where breakage can occur Speed Guide Soft materials (wood, plastics): approx. 8,000 RPM Hard materials (steel, NF metals): approx. 3,000 RPM Specifications Part Number: No. 28858 Drill diameter: ×1.6mm (1/16") Shank: 2.35mm (3/32") Material: Tungsten vanadium steel Quantity: 3 per pack Materials drilled: Metal, non-ferrous metals, plastics, wood Works Well With Professional Rotary Tool IBS/E (No. 38481) — collet-based 100W Micromot tool; use with 2.35mm collet Precision Rotary Tool FBS 115/E (No. 38472) — keyless chuck Micromot tool accepting 2.35mm shank MICROMOT Steel Collet Set — 6-Piece (No. 28940) — includes 2.35mm collet for this drill Drill Stand MB 200 (No. 28600) — for stationary precision drilling with controlled depth and perpendicularity Modeler's Set — 13-Piece (No. 28910) — comprehensive accessory set including drilling, milling, and grinding bits 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. See our full return and refund policy. 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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