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Cobalt jobber drill bit, straw bronze finish, split point tip

Chicago-Latrobe

Chicago-Latrobe 46792 135° Cobalt Jobber Drill Bit

SKU CH-JBDV-HPNSB

A 135° split-point cobalt jobber drill bit in size V with a .3770 decimal equivalent

  • Product typeDrill Bits
  • 135° split point starts on contact without wandering
  • Cobalt steel resists heat and wear in tough alloys
  • Jobber length gives standard reach for common drilling tasks
  • Size V (.3770) fits precise letter-gauge requirements
  • Heavy-duty construction handles repetitive shop use

Chicago-Latrobe 46792 Cobalt Jobber Bit

This Chicago-Latrobe 46792 is a jobber-length drill bit made from cobalt steel for heavy-duty drilling in hard metals such as stainless steel and high-strength alloys. It suits professional mechanics, metal fabricators and maintenance technicians who need a durable bit that resists heat and wear during repetitive production or repair work.

Check shank fit and material suitability

Verify that your drill chuck accepts a straight shank of this diameter and that the machine delivers appropriate speed and torque for cobalt tooling. The bit is not coolant-through, so external lubrication or cutting fluid must be supplied when drilling deep holes or tough alloys. Confirm the 135-degree split point matches the hole-starting accuracy your application requires.

Cobalt construction with split-point geometry

The cobalt steel body maintains hardness at elevated temperatures, extending service life in abrasive or work-hardening materials. A 135-degree split point centres the bit without a centre punch and reduces thrust, improving control on curved or angled surfaces. The straw-bronze surface finish identifies the heat-treated cobalt grade and provides some corrosion resistance during storage and use.

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 nameCHICAGO-LATROBE
Product typeDrill Bits

Questions about this item

Does the Chicago-Latrobe 46792 cobalt jobber bit come as a single piece or in a set, and do I need a separate drill chuck?

The item is sold as an individual drill bit sized to letter V with a .3770 decimal equivalent; it fits any standard drill chuck that accepts jobber-length shanks, so no extra chuck is required.

When should I choose this 135-degree split-point cobalt bit instead of a general-purpose twist drill?

Choose it for drilling hard metals such as stainless steel or high-temperature alloys where the 135-degree split point reduces walking and the cobalt construction resists heat better than standard high-speed steel.

How does the 135-degree split point affect hole accuracy in a handheld drill?

The 135-degree split point centres itself on contact, minimising wander and producing straighter, cleaner holes in tough materials even without a drill press.

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