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12 mm cobalt jobber drill bit, straw bronze finish, split point, 135 degree angle

Chicago-Latrobe

Chicago-Latrobe 46496 12 mm Cobalt 135° Jobber Drill Bit

SKU CH-TQAP-P4ZZZ

12 mm cobalt jobber drill bit with 135° split point for hard-metal drilling

  • Product typeDrill Bits
  • Main materialHAWA
  • 12 mm diameter drills medium holes
  • 135° split point starts on contact without wandering
  • Cobalt alloy resists heat during extended drilling
  • Jobber length 151.00 mm reaches deep workpieces
  • Decimal size .4724 matches metric drawings precisely

Chicago-Latrobe 46496 Cobalt Jobber Drill Bit

The Chicago-Latrobe 46496 is a 12 mm cobalt jobber drill bit with a 135 degree split point. It is designed for drilling tough materials such as stainless steel and high-strength alloys. The straw bronze finish identifies the cobalt construction. This bit suits professional and industrial metalworking tasks.

Ideal for Hard Metals Not for Soft Materials

Machinists and maintenance technicians who drill stainless steel, titanium or hardened steel will benefit from the cobalt heat resistance and split-point accuracy. The 135 degree angle reduces walking on hard surfaces. Buyers who mainly drill wood, plastic or soft aluminium do not need this level of hardness and should choose a general-purpose bit instead.

12 mm Diameter Decides Fit

The 12 mm diameter, equivalent to .4724 inch, is the critical specification for matching the required hole size. The 151.00 mm overall length defines the reach available for the job. The bit has zero coolant holes and a non-coolant-through design. Verify the drill chuck capacity and workpiece thickness against these dimensions before purchase.

How it compares

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

Price $17.99
Cheaper than about 68% 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

How does the 135-degree split point behave once the bit is chucked in a drill?

The 135-degree split point centres itself on contact, reducing wander and the force needed to start a hole in metal.

What does the jobber-length shank imply for chuck compatibility?

The straight 12 mm shank fits any standard three-jaw chuck that accepts 12 mm or 1/2-inch capacity.

What physical clearance does the 151.00 mm overall length require?

The bit needs at least 151 mm of spindle-to-workpiece clearance plus room for the chuck body.

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