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Chicago-Latrobe extra-long HSS drill bit #34 black oxide finish

Chicago-Latrobe

Chicago-Latrobe Extra Long Drill Bit #34 HSS 11158

SKU CH-0KC1-9WVP9

Extra-long #34 HSS drill bit with 135-degree split point and black oxide finish for deep-hole drilling

  • Product typeDrill Accessories
  • Main materialHAWA
  • Extra reach with 4×D extended flute length
  • Precise starts from 135° split-point geometry
  • Hard-wearing HSS with black-oxide finish
  • Drills to 1 1/2 in depth in wire-gauge #34

Extra Long Drill Bit #34 HSS

The Chicago-Latrobe Extra Long Drill Bit #34 is made from high speed steel with a black oxide finish for machining high performance. It features a 135 degree split point designed for accurate starting and reduced walking. The bit targets wire gauge drilling tasks and suits users needing extended reach for deep holes.

Thermals noise and power draw

The high speed steel construction resists heat buildup during prolonged drilling in metal. A 135 degree split point lowers cutting force which reduces motor load and operational noise. Black oxide coating decreases friction to limit temperature rise. Maximum drilling depth is 1 1/2 in at 4xD capability.

How it compares

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

Price $10.99
Cheaper than about 86% 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 #34 HSS drill bit correctly, and what step is often missed?

Chuck the 11158 bit securely, set the drill to low speed, and apply steady pressure; the step many miss is using cutting fluid to prevent overheating the high-speed steel.

When will the #34 extra-long drill bit need replacement, and what indicates wear?

Replace the 11158 bit when the 135-degree split point dulls, the black oxide coating wears off, or holes exceed 1 1/2 in depth and show wandering.

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