purpose-made and selected wolfram vanadium steel, shafts and drill tips manufactured from one-piece blanks, shaft ø 2.35 mm, l (total) = 44 mm
The purposeful and sturdy construction of the tungsten vanadium steel twist drills produces an optimally exact concentricity without sacrificing elasticity. Its high degree of hardness guarantees a long service life! The drills can be used for working on steel, non-ferrous metals, plastic, circuit board as well as softwoods and hardwoods. When working on soft material about 8,000 revolutions of rotary speed should be employed, for hard materials about 3,000.
Broca espiral Proxxon, de acero tungsteno-vanadio
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