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Chicago-Latrobe 57717 80-piece jobber drill bit set in black oxide finish

Chicago-Latrobe

Chicago-Latrobe 57717 80pc 118° Jobber Length Drill Bit Set

SKU CH-DP0Z-ARWT9

An 80-piece jobber-length drill bit set with 118-degree points made from high-speed steel with a black oxide finish

  • TypeDrill Bits
  • MaterialHAWA
  • 80-piece set covers a wide range of drilling tasks
  • 118-degree point angle suits general-purpose metal and wood drilling
  • High-speed steel construction resists wear during repetitive use
  • Black oxide finish reduces friction and helps prevent corrosion
  • Jobber length design provides standard reach for common applications

Chicago-Latrobe 57717 80-Piece Drill Set

This Chicago-Latrobe 57717 set supplies 80 jobber-length drill bits for general-purpose machining tasks. The high-speed steel construction handles routine drilling in metal, wood and plastic. It suits maintenance technicians, fabricators and serious DIY users who need a broad range of diameters in one kit.

Black Oxide Finish on High-Speed Steel

The black oxide finish reduces chip welding and improves lubricity during cutting. High-speed steel designated as HAWA provides the hardness and heat resistance required for repeated use. Together, the material and coating extend bit life compared with uncoated carbon-steel alternatives.

118-Degree Point Angle for General Use

The 118-degree point angle is the standard geometry for general-purpose drilling across common materials. It centres easily without a pilot hole but is not optimised for hard alloys or deep-hole work. Buyers needing split-point starts or specialised angles for stainless steel should select a different set.

Highlights

  • 80-piece set covers a wide range of drilling tasks
  • 118-degree point angle suits general-purpose metal and wood drilling
  • High-speed steel construction resists wear during repetitive use
  • Black oxide finish reduces friction and helps prevent corrosion
  • Jobber length design provides standard reach for common applications

Specifications

BrandCHICAGO-LATROBE
TypeDrill Bits
MaterialHAWA

Questions about this item

Will the black oxide finish on the 80 drill bits need reapplication after heavy use?

The black oxide finish provides corrosion resistance and reduces friction during drilling; it wears gradually with extended use but does not require reapplication for the bits to function.

Which component of the 57717 set reaches its limit first during continuous drilling?

The 118 degree point angle on the high speed steel bits dulls before the jobber length shank or black oxide coating fails under sustained load.

How much heat do the high speed steel bits generate when running all day?

High speed steel with black oxide dissipates heat efficiently during prolonged drilling; using cutting fluid keeps temperatures manageable for the material.

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