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Cleveland C15123 cobalt drill bit #33, 135° split point, TiAlN coated

Cleveland

Cleveland C15123 Screw Machine Drill Bit #33 135° Split Point Cobalt TiAlN

SKU CH-FK86-KJWCS

A #33 cobalt screw-machine drill bit with a 135° split point and TiAlN coating for right-hand cutting at .1130 inch

  • Product typeDrill Bits
  • #33 size drills 0.1130 in holes precisely
  • 135° split point starts fast without walking
  • Cobalt substrate resists heat in tough alloys
  • TiAlN coating extends edge life significantly
  • Right-hand cut suits standard drill chucks

Cleveland C15123 Screw Machine Drill Bit #33

The Cleveland C15123 is a screw machine drill bit sized at #33 with a decimal equivalent of .1130. It is made from cobalt and coated with TiAlN for wear resistance. The 135 degree split point reduces walking and improves hole accuracy. This bit suits machinists and maintenance technicians drilling precise holes in metal.

Installation and common issues

The bit installs directly into a drill chuck or collet with a right-hand cutting direction. No coolant-through channels are present, so external lubrication is required for deep cuts. Overheating can dull the cobalt substrate quickly if feed rates are too aggressive. Proper clamping prevents breakage on the smaller diameter.

Who this suits and who should look elsewhere

This drill bit serves professionals needing a single #33 size for screw machine or CNC work in steel and alloys. Buyers who want a set of multiple sizes or a bit with internal coolant delivery will not find those features here. It is not intended for wood, plastic or masonry applications.

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 nameCLEVELAND
Product typeDrill Bits

Questions about this item

How can I confirm the #33 bit is cutting correctly after I chuck it?

The 135° split point should self-centre and produce clean chips in steel without wandering.

What comes in the package and is anything else needed to use it?

The box contains the single C15123 cobalt TiAlN bit; a compatible drill chuck is required separately.

When should I choose the #33 size over another diameter?

Select #33 when the job calls for a 0.1130 in. hole; other sizes have different decimal equivalents.

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