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Fein VARIO Drill/Driver Twist Drill 27/64 Inch (1/2 Inch Thread) 63111049010

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63111049010
$44.95
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Fein VARIO TiAlN-Coated 27/64" Twist Drill for 1/2" Threading The Fein VARIO 27/64" twist drill is a heavy-duty industrial pilot bit engineered specifically to create the high-tolerance hole required for 1/2" threading applications. Forged from ultra-high-strength tool steel and heat-treated to an impressive 64 HRC, this drill is designed to survive the intense mechanical stresses of impact-driven drilling. Unlike standard bits that may shatter under percussive force, this tool features specialized cutting geometries fully compatible with impact wrench systems. The Titanium Aluminum Nitride (TiAlN) coating provides a low-friction surface and a formidable thermal barrier, allowing the bit to maintain its razor-sharp edge even at high speeds in high-tensile steels up to 130 ksi. This drill is an essential component for structural fabricators and industrial technicians working with alloyed steels, aluminum, and brass.

Features
  • Precision 27/64" Diameter: The mathematically correct pilot size for 1/2" threads, ensuring 75% thread engagement for maximum fastener strength.
  • High-Performance TiAlN Coating: Titanium Aluminum Nitride layer offers superior heat resistance and reduces friction, extending tool life in dry-drilling conditions.
  • Impact Wrench Compatible: Engineered with ruggedized geometries to withstand the extreme torque and rotational impacts of power drivers.
  • Industrial Hardness (64 HRC): Forged from premium tool steel for maximum edge retention and resistance to abrasive wear in tough alloys.
  • 130 ksi High-Tensile Rating: Specifically designed to penetrate unalloyed and alloyed steels with tensile strengths up to 130 ksi.
  • Enhanced Chip Removal: Specialized flute design ensures efficient evacuation of metal chips, preventing binding and heat buildup in deep holes.
  • Multi-Material Versatility: Delivers clean, accurate holes in a wide range of substrates, including structural steel, aluminum, and brass.
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