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Chicago-Latrobe 53128 118 degree taper shank drill bit 7/16 in high speed steel black oxide finish

Chicago-Latrobe

Chicago-Latrobe 53128 118 Degree Taper Shank Drill Bit 7/16 in

SKU CH-RNJH-MXDQQ

A 7/16 in taper shank drill bit with a 118-degree point angle made from high-speed steel with black oxide finish

  • Product typeDrill Bits
  • 118-degree point centres the bit quickly
  • 7/16 inch diameter drills precise holes
  • High-speed steel resists heat during drilling
  • Black oxide finish reduces friction and wear
  • Taper shank fits standard machine spindles

Chicago-Latrobe 53128 Taper Shank Drill

This Chicago-Latrobe 53128 drill bit is a general-purpose cutting tool with a 7/16 in diameter and a 118 degree conventional point. It is made from high speed steel with a black oxide finish. The taper shank fits directly into compatible machine spindles or sleeves for secure drive.

Installation and fit

Insert the taper shank into a clean, matching Morse taper socket and seat it firmly so the bit cannot spin under load. A loose or worn socket is the usual cause of slippage and poor hole accuracy. The black oxide surface helps retain cutting fluid during the first cuts.

Sustained drilling behaviour

High speed steel construction maintains hardness at the temperatures reached in prolonged steel or iron drilling. The 118 degree point distributes cutting forces evenly across the lips, reducing edge breakdown during continuous feed. Black oxide coating resists galling when coolant flow is steady.

How it compares

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

Price $21.99
Cheaper than about 80% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameCHICAGO-LATROBE
Product typeDrill Bits

Questions about this item

How can I confirm the 118-degree point angle is cutting correctly after setup?

The bit should start drilling without wandering and produce even chips when used at proper speeds for the material.

What comes in the box and what must I buy separately?

The package contains the 7/16-inch taper shank drill bit only; a compatible taper-shank holder or Morse taper sleeve is sold separately.

Which version should I choose for general-purpose drilling?

The 53128 model with its 118-degree conventional point and black-oxide high-speed steel is the standard choice for general-purpose work.

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