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Silver cylindrical drill bit with split point tip and fluted shaft

Chicago-Latrobe

Chicago-Latrobe 43628 135 Degree Jobber Length Drill Bit pneumatic accessory

SKU CH-PPEK-ZVW0K

A 7/16 inch high-speed steel jobber drill bit with a 135-degree split point and TiCN coating

  • TypeDrill Bits
  • MaterialHAWA
  • 135-degree split point starts drilling on contact
  • High-speed steel with TiCN coating resists wear
  • Jobber length suits standard chuck capacities
  • 7/16-inch diameter matches common fastener sizes
  • Chicago-Latrobe brand trusted in professional shops

Precision Drilling Tool

The Chicago-Latrobe 43628 is a jobber length drill bit built for production drilling in metal. Its 135 degree split point reduces walking and lowers thrust force, while the TiCN coating on high speed steel extends edge life in abrasive or high-heat applications.

Target Users

Machinists and maintenance technicians who need repeatable hole accuracy in steel, stainless or cast iron will benefit from the split-point geometry and wear-resistant coating. Buyers who require coolant-through capability or a different point angle for specialised materials should look at other options.

Deciding Specification

The 135 degree split point is the single feature that determines suitability; it centres the cut instantly and enables higher feed rates in hard materials compared with conventional point geometries.

Highlights

  • 135-degree split point starts drilling on contact
  • High-speed steel with TiCN coating resists wear
  • Jobber length suits standard chuck capacities
  • 7/16-inch diameter matches common fastener sizes
  • Chicago-Latrobe brand trusted in professional shops

Specifications

BrandCHICAGO-LATROBE
TypeDrill Bits
MaterialHAWA

Questions about this item

Will the 135-degree split point on the 43628 bit work well with my older 1/2-inch chuck drill press?

Yes, the jobber length shank fits standard 1/2-inch chucks, and the 135-degree split point reduces walking so it starts cleanly in steel without needing a centre punch.

How can I confirm the 43628 bit is cutting correctly once installed?

The split point should produce short, curled chips and a round hole measuring .4375 inch; excessive heat or long stringy chips indicate dullness or wrong speed.

Does the 43628 package include any cutting fluid or a storage case?

Only the single TiCN-coated high-speed steel drill bit is supplied; cutting fluid and a case must be purchased separately.

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