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1/2 in x 6 in Impact Tough Titanium Drill Bit with 1/4 in Quick-Change Hex Shank

Item #: TI4159IM
MFR #: TI4159IM


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Product Details


The Bosch TI4159IM is a 1/2 in Impact Tough Titanium Drill Bit engineered specifically for use in higher-torque impact drivers and rotary tools. Its TiN (Titanium Nitride) coating significantly reduces friction and heat buildup, delivering extended service life over standard uncoated drill bits. The 135-degree split point design is self-centering and eliminates walking for accurate starts in heavy-gauge and high-carbon steel. Long spiral flutes efficiently evacuate chips from the hole, keeping the bit cooler and cutting faster. An impact-rated 1/4 in Quick-Change Hex shank locks securely in impact drivers and drill chucks, resisting slippage even under high torque.

  • No-skate 135-degree split point tip is self-centering for accurate starts without walking
  • Impact-rated 1/4 in Quick-Change Hex shank withstands the high torque of impact drivers and drill/driver combos
  • TiN (Titanium Nitride) coating reduces friction and heat, extending bit life over standard impact drill bits
  • Long spiral flutes for effective chip evacuation and reduced heat buildup during deep drilling
  • Designed for heavy-gauge and high-carbon steel, as well as light-gauge metal and hardwood applications
  • Laser marking on the shank clearly identifies the diameter for fast bit selection on the job
  • High Speed Steel construction absorbs shock and vibration for durability in handheld and impact power tools

Item Specifications

  • Right Hand
  • 10xD
  • Split Point
  • Spiral
  • Yes
  • Fractional Inch
  • 135°
  • Steel
  • 1/4 in
  • 0.17 lb