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Chicago-Latrobe extra-long HSS drill bit #53 black oxide finish split point

Chicago-Latrobe

Chicago-Latrobe Extra Long Drill Bit #53 HSS 11177

SKU CH-Q8QZ-2RSM5

Extra-long HSS drill bit with split point and black oxide finish for deep, accurate drilling in wire and machining applications

  • Product typeDrill Accessories
  • Main materialHAWA
  • Extra-long reach for deep holes with 7/8 in maximum drilling depth
  • Precise starts without wandering thanks to 135-degree split point
  • High-speed steel construction resists wear during repetitive drilling tasks
  • Black oxide finish reduces friction and improves chip evacuation at 28-degree helix angle

Chicago-Latrobe #53 Extra Long Drill Bit

This Chicago-Latrobe drill bit is a high-speed steel accessory designed for precision drilling tasks. It features a #53 wire gauge size and a 135-degree split point for accurate starting without walking. The black oxide finish adds durability and corrosion resistance for demanding applications.

Suited for deep-hole drilling in metal up to 7/8

Machinists needing extended reach in steel or alloy materials will benefit from the 4xD length and Machining High Performance grade. Users requiring larger diameters, different point angles, or shorter stub-length bits for rigid setups should look at other options.

How it compares

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

Price $9.99
Cheaper than about 88% 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

What size drill chuck is needed to hold the #53 shank?

A standard 1/4-inch or 3/8-inch three-jaw chuck will grip the #53 wire-gauge shank securely.

Will the 135-degree split point start cleanly on the hardened steel I already drill?

Yes, the 135-degree split point is designed for self-centering on hard materials such as hardened steel.

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