The Proxxon Tungsten Vanadium Micro Twist Drills (No. 28864) are a 3-pack of ×0.5mm (1/64") precision micro twist drills for Proxxon Micromot tools, on 2.35mm shanks. The absolute finest diameter in the TV micro drill range — at 0.5mm, this is an ultra-precision drill where breakage risk is at its maximum. The one-piece blank construction in tungsten vanadium steel is essential at this diameter: the single-blank eliminates the joint between tip and shank, providing the concentricity and structural integrity needed to drill at 0.5mm without immediate breakage. For drilling metal, non-ferrous metals, plastics, and wood. At 0.5mm, technique is as important as tooling — use a drill stand for perpendicularity, apply minimal pressure, and run at the correct speed. Speed guidance: approximately 8,000 RPM for soft materials, approximately 3,000 RPM for hard materials. Key Features ×0.5mm ultra-precision diameter — absolute finest TV micro drill; for the smallest possible precision holes One-piece blank construction — maximum concentricity and structural integrity; essential at 0.5mm Tungsten vanadium steel — for metal, NF metals, plastics, and wood 2.35mm shank — fits standard Micromot collets and keyless chucks 3-pack — spares critical at 0.5mm where breakage risk is highest Speed Guide Soft materials (wood, plastics): approx. 8,000 RPM Hard materials (steel, NF metals): approx. 3,000 RPM Technique tip: Use a drill stand, apply minimal pressure, and let the drill do the work — forcing a 0.5mm drill causes immediate breakage Specifications Part Number: No. 28864 Drill diameter: ×0.5mm (1/64") Shank: 2.35mm (3/32") Material: Tungsten vanadium steel Quantity: 3 per pack Materials drilled: Metal, non-ferrous metals, plastics, wood TV Micro Twist Drill Diameter Guide ×0.5mm / No. 28864 (this drill) — absolute finest; ultra-precision holes, maximum breakage risk — use drill stand and minimal pressure ×0.8mm (No. 28852) — very fine; ultra-fine holes with slightly more breakage tolerance ×1.0mm (No. 28854) — fine; precision holes with good breakage tolerance ×1.6mm (No. 28858) — larger micro drill for wider precision holes 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) — essential at 0.5mm — perpendicularity and controlled depth prevent breakage 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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