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A black metal case holding twenty-one gold-coated cobalt drill bits

Chicago-Latrobe

Chicago-Latrobe 69892 21-piece 135° cobalt jobber drill set

SKU CH-C5J7-04HC0

21-piece cobalt jobber drill set with 135-degree TiN-coated tips for hard materials

  • TypeDrill Bits
  • MaterialHAWA
  • 21 cobalt bits tackle hard metals
  • 135-degree split point starts holes fast
  • TiN coating cuts friction and heat
  • Jobber length fits standard chucks
  • Chicago-Latrobe quality for pro workshops

Chicago-Latrobe 69892 drill set

The Chicago-Latrobe 69892 is a 21-piece jobber-length drill bit set manufactured from cobalt steel with a TiN coating. It is intended for professional mechanics and metalworkers who need a ready-to-use range of bits for heavy-duty drilling tasks.

Suited for high-temperature alloy work

These bits suit workshops drilling stainless steel, titanium and other tough alloys where heat resistance and edge retention matter. Buyers who need specialised step drills, carbide-tipped cutters or bits for non-metallic materials should look elsewhere.

135° split point reduces wandering

The 135-degree split-point geometry centres the bit quickly and lowers thrust force during extended drilling cycles. Cobalt substrate and TiN finish together dissipate heat so cutting edges stay sharp longer under sustained load.

Highlights

  • 21 cobalt bits tackle hard metals
  • 135-degree split point starts holes fast
  • TiN coating cuts friction and heat
  • Jobber length fits standard chucks
  • Chicago-Latrobe quality for pro workshops

Specifications

BrandCHICAGO-LATROBE
TypeDrill Bits
MaterialHAWA

Questions about this item

What drill chuck capacity do I need to use the 21 cobalt bits in this 69892 set?

The jobber-length shanks fit standard three-jaw chucks, so any common drill press or hand drill that accepts jobber bits will work.

Can I mix these 135-degree cobalt bits with standard high-speed steel bits in the same job?

Yes, the 135-degree split point starts on contact and reduces walk, letting you switch between cobalt and HSS bits without changing technique.

How can I verify the TiN finish on the 69892 bits is intact after first use?

The gold-coloured titanium nitride coating should remain visible on the flutes; wear that exposes the silver cobalt substrate shows the finish has been consumed.

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