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Chicago-Latrobe 11108 extra long 1/4 inch HSS drill bit black oxide finish 135 degree split point

Chicago-Latrobe

Chicago-Latrobe 11108 Extra Long Drill 1/4 in HSS 135° Split Point Black Oxide

SKU CH-P955-P8FME

Extra-long 1/4 in high-speed steel drill bit with 135° split point and black oxide finish for deep-hole machining

  • Product typeDrill Accessories
  • Main materialHAWA
  • 1/4 in diameter suits standard chucks
  • 135° split point starts on contact without wandering
  • Extra-long design reaches 2 3/4 in depth
  • Black oxide finish resists wear in high-speed steel

Chicago-Latrobe 11108 Extra Long Drill Bit

The Chicago-Latrobe 11108 is an extra long drill bit designed for deep-hole drilling tasks. It suits machinists and technicians who need extended reach in high-performance applications. The 1/4 inch fractional size fits standard chucks for versatile use.

Thermals Noise and Power Draw

As a passive cutting tool, the drill bit generates no operational noise or electrical power draw. Heat produced during machining depends on the workpiece material and drilling parameters used. Proper coolant application manages thermal buildup effectively.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 84% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameChicago-Latrobe
Product typeDrill Accessories
Size & build
Main materialHAWA

Questions about this item

How do I install the 1/4 inch HSS drill bit with 135 degree split point into my drill chuck, and what step do people often miss?

Open the chuck fully, insert the shank until it seats, then tighten securely; the step often missed is checking that the split point runs true before drilling.

What maintenance or replacement will the Chicago-Latrobe 11108 extra long drill bit need after extended use?

The black oxide coating reduces friction, but the 135 degree split point will dull over time; resharpen or replace when cutting performance drops.

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