Proxxon 3/64" Tungsten Drill Bits 3 pk

Purpose made, selected, tungsten vanadium steel with high concentricity. Manufactured from a one-piece blank. High hardness for optimum life expectancy. For drilling metal, non-ferrous metals, plastic, PC cards and wood. Work speeds: hard materials approx. 3,000 rpm, soft materials approx 8,000.

Specifications:

• Diameter: .05"
• Cutter length: .32"
• Bit length: 1.75"
• Shank: .09"