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Silver cobalt jobber drill bit, split point, 135 degree angle

Chicago-Latrobe

Chicago-Latrobe 44956 135 Degree Cobalt Jobber Drill Bit

SKU CH-N652-NZDQV

Size L cobalt jobber drill bit with 135-degree split point and TiAlN coating for hard metals

  • Product typeDrill Bits
  • Main materialHAWA
  • 135° split point starts on contact without wandering
  • Cobalt HAWA steel resists heat for longer edge life
  • TiAlN coating reduces friction and extends wear resistance
  • Jobber length suits general-purpose drilling in metal
  • .2900 inch letter L size fits standard chucks

Chicago-Latrobe 44956 Cobalt Drill Bit

This 135-degree split-point jobber drill bit is made from cobalt with a TiAlN coating for heavy-duty drilling tasks. It suits machinists and maintenance technicians who need reliable performance in hard metals. The letter-size L bit delivers a 0.2900 decimal equivalent hole. It is a new accessory built for professional power-tool users.

135-Degree Split Point With TiAlN Coating

The 135-degree split-point geometry reduces walking and starts holes cleanly without a centre punch. Cobalt construction resists heat and wear when drilling stainless steel, titanium and other tough alloys. The TiAlN surface treatment further extends tool life by lowering friction and improving chip evacuation. No coolant holes are present, so external lubrication is required.

Fits Standard Chucks For General Machine Work

The jobber-length shank fits common three-jaw chucks on bench drills, milling machines and handheld drills. The non-coolant-through design keeps the bit simple for dry or externally lubricated operations. It frees the operator from centre-punching steps on flat surfaces. Buyers who need through-coolant capability or carbide-grade hardness should select a different tool.

How it compares

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

Price $11.99
Cheaper than about 84% 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 when drilling into hard metals?

The 135-degree split point reduces walking and starts cutting immediately in tough materials like stainless steel, so the bit centres itself without a centre punch.

What does the TiAlN coating actually do during high-speed drilling?

The TiAlN coating resists heat buildup and wear, letting the cobalt bit hold its edge longer at elevated temperatures.

Will the 0.2900-inch diameter fit a standard 3/8-inch drill chuck?

Yes, the 0.2900-inch shank is well within the capacity of a typical 3/8-inch chuck, so it mounts directly without a sleeve.

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