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Cylindrical silver drill bit with split point tip

Chicago-Latrobe

Chicago-Latrobe 43617 17/64" HSS 135° Split Point Drill Bit

SKU CH-EGKJ-H58KF

A 17/64 inch high-speed steel jobber drill bit with a 135 degree split point for accurate starting

  • Product typeDrill Bits
  • Main materialHAWA
  • 135° split point starts on contact for accurate holes
  • 17/64 in high-speed steel resists wear in tough materials
  • TiCN coating reduces friction and extends bit life
  • Jobber length gives 4-1/8 in reach for deep drilling

Chicago-Latrobe 43617 17/64" HSS Split Point Bit

The Chicago-Latrobe 43617 is a jobber length drill bit manufactured from high speed steel for general purpose drilling tasks. It features a 135 degree split point design that promotes accurate starts and reduces walking on contact. The bit is finished with a TiCN coating to enhance surface hardness and extend tool life during repetitive use. It suits trade professionals and maintenance crews requiring reliable fractional sizing.

17/64" Capacity and Drilling Headroom

The 17/64 inch diameter provides a decimal equivalent of .2656 for precise hole sizing in metal, wood, and plastic materials. The jobber length flute offers standard reach for typical through-hole and blind-hole applications in sheet stock and structural sections. The split point geometry handles moderate feed rates without centre punch preparation on softer alloys. The bit lacks coolant-through capability, limiting sustained high-speed production runs in hardened steels or deep cavities where heat evacuation is critical.

How it compares

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

Price $7.99
Cheaper than about 91% 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

Will the 17/64" diameter work with the 1/4" chuck on my older drill?

The 17/64 inch drill bit has a decimal equivalent of .2656 inch, which exceeds the 1/4 inch capacity of that chuck, so it will not fit.

How can I confirm the 135 degree split point is cutting correctly after I start drilling?

A properly functioning 135 degree split point will self-centre immediately and produce short, curled chips in steel without needing a centre punch to start the hole.

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