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Slender #60 aircraft extension drill, 135° split point, black oxide high-speed steel

Chicago-Latrobe

Chicago-Latrobe 11184 #60 135° split-point aircraft extension drill

SKU CH-6299-TKTEA

A #60 wire-gauge aircraft extension drill with a 135° split point, black-oxide high-speed steel and 11/16 in maximum drilling depth

  • 135° split point starts on contact without wandering
  • #60 wire-gauge size drills precise small holes
  • High-speed steel with black oxide resists wear and heat
  • 11/16 in maximum depth reaches tight aircraft structures
  • 4xD flute length clears chips efficiently in deep cuts

Chicago-Latrobe 11184 #60 Aircraft Extension Drill

This Chicago-Latrobe 11184 drill bit is a #60 size aircraft extension drill designed for precision drilling in tight or deep locations. It is intended for machinists and maintenance technicians who need accurate holes in metal using high-speed steel tooling.

Check your chuck capacity and reach requirements

Verify that your drill chuck accepts the #60 shank and that the 11/16 inch maximum drilling depth meets your workpiece thickness. The 135 degree split point reduces walking, but ensure your application suits a 28 degree helix angle and wire gauge sizing.

Sustained drilling performance

The high-speed steel construction with black oxide coating resists wear and heat buildup during extended drilling cycles. The split-point geometry maintains centring accuracy over repeated use, while the material grade supports high-performance machining without premature dulling.

How it compares

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

Price $9.99
Cheaper than about 93% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameCHICAGO-LATROBE

Questions about this item

Does the 11184 #60 drill arrive as a single bit or a set, and will I need a longer extension separately?

The listing describes one aircraft extension drill at size #60; no multi-pack or additional extension is mentioned.

Should I choose this 135° split-point bit over a standard 118° point for the same #60 size?

The 135° split-point geometry is designed to reduce walking and cut cleaner in hard materials, unlike a conventional 118° point.

What does the 11/16 in maximum drilling depth mean when the bit is chucked in my drill press?

You can drill holes up to 11/16 in deep before the flutes or shank limit further advance.

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