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Black oxide 21-piece 135-degree jobber drill set in metal case

Chicago-Latrobe

Chicago-Latrobe 69851 21-piece 135-degree drill bit set

SKU CH-RD80-T6M2Z

A 21-piece jobber-length drill bit set with 135-degree points in high-speed steel and black-oxide finish

  • Product typeDrill Bits
  • Main materialHAWA
  • 21-piece set covers a wide range of drilling tasks
  • 135-degree split point starts on contact without wandering
  • High-speed steel construction resists wear in tough materials
  • Black oxide finish reduces friction and adds corrosion protection
  • Jobber length provides standard reach for general-purpose drilling

Chicago-Latrobe 69851 21-Piece Drill Set

The Chicago-Latrobe 69851 set supplies 21 jobber-length drill bits for general-purpose metalworking. It is intended for machinists, maintenance technicians and serious DIY users who need a ready range of diameters in one indexed case.

135-Degree Split Point

Each bit features a 135-degree point angle that reduces walking and starts holes cleanly in steel and other hard materials. This geometry is the single specification that determines whether the set matches the material and accuracy requirements of the job.

High-Speed Steel with Black Oxide

The bits are made from high-speed steel and finished with black oxide, a combination that resists heat buildup and chip welding during extended drilling sessions. The coating helps maintain cutting edges longer than uncoated steel when running at sustained feed rates.

How it compares

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

Price $61.99
Pricier than about 72% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCHICAGO-LATROBE
Product typeDrill Bits
Size & build
Main materialHAWA

Questions about this item

What does the 135-degree point angle do when drilling?

The 135-degree split point starts on contact and reduces wandering, so each of the 21 bits cuts cleaner holes in metal and hard plastics without a centre punch.

What material are the bits made from and how does it hold up?

They are machined from High Speed Steel with a black-oxide finish that resists corrosion and reduces friction during repetitive drilling.

How are the 21 pieces organised for storage?

The set comes in an indexed metal case that holds each bit in a labelled slot, keeping the jobber-length drills sorted and protected between jobs.

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