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Chicago-Latrobe 50466 extra-long drill bit, black oxide finish, 118-degree notched point

Chicago-Latrobe

Chicago-Latrobe 50466 118 Degree Heavy-Duty Extra Long Drill Bit

SKU CH-E2B3-6AFNC

Extra-long 9/64 in high-speed steel drill bit with 118-degree notched point for deep holes up to 9 in

  • 118-degree notched point starts holes cleanly without wandering
  • Extra-long 9-inch reach accesses deep or hard-to-reach work areas
  • High-speed steel with black oxide resists wear and reduces friction
  • 28-degree helix clears chips efficiently for smoother drilling
  • General-purpose grade handles a wide range of materials

Chicago-Latrobe 50466 Extra Long Drill Bit

The Chicago-Latrobe 50466 is a fractional-inch drill bit sized at 9/64 in with a 118-degree notched point. Made from high-speed steel with a black oxide finish, it offers a maximum drilling depth of 9 in. The 4xD design suits general-purpose machining tasks that require extended reach.

Check shank compatibility and workpiece thickness

Verify that your drill chuck accepts the 9/64 in shank before ordering. Confirm the workpiece thickness does not exceed the 9 in maximum drilling depth. The 28-degree helix angle influences chip evacuation, so ensure your application matches general-purpose machining parameters.

Black oxide finish and notched point improve

The black oxide coating reduces friction and resists corrosion during extended use. The 118-degree notched point aids in accurate hole starts without a centre punch. These features combine to maintain cutting performance across the full 9 in depth capacity.

How it compares

Measured against everything we stock in Power Drills, Drivers & Cutting Bits, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 81% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameCHICAGO-LATROBE

Questions about this item

Does the 50466 drill bit come as a single piece or a set, and is a drill chuck included?

The 50466 is sold as an individual extra-long drill bit; a compatible drill chuck is not included and must be purchased separately.

How do I choose between fractional sizes like the 9/64 inch option for this model?

Select the 9/64 inch size when your project requires that exact fractional diameter; other fractional sizes are separate items under different part numbers.

What does the 118-degree point angle mean for drilling performance in a real machine?

The 118-degree point angle provides a general-purpose cutting geometry suitable for drilling into common materials like mild steel and wood on standard drill presses or hand drills.

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