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User-friendly Chicagolatrobe 135° Heavy-duty Cobalt Screw Machine Drill, X Tip Size, 1.9375 Inches Flute Length, 3.3125 Inches Oal, Straw Finish - 6 Per Pk - 50853 Bundle Deal [SGbfRt9P]

$20.99 $67.99 -69%

Heavy-duty geometry for drilling tougher materials by hand or machine. 6 per PK Shorter flute and overall length provide superior rigidity to minimize deflection when using heavy feed rates. Manufactured from premium cobalt high-speed steel. 135° P3

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User-friendly Chicagolatrobe 135° Heavy-duty Cobalt Screw Machine Drill, X Tip Size, 1.9375 Inches Flute Length, 3.3125 Inches Oal, Straw Finish - 6 Per Pk - 50853 Bundle Deal [SGbfRt9P]

  • Heavy-duty geometry for drilling tougher materials by hand or machine. 6 per PK
  • Shorter flute and overall length provide superior rigidity to minimize deflection when using heavy feed rates.
  • Manufactured from premium cobalt high-speed steel.
  • 135° P3 split point is self-centering for reduced thrust and easier penetration. sizes under .0625 in do not have split points.
  • Straw and titanium nitride (TiN) finishes standard from stock; titanium aluminum nitride (TiAlN) is a non-stocked standard; alternate coatings available as stock modifications.
  • Dia.
  • [Nom]=0.397 in.
  • Finish=Straw.
  • Flute Length=1.9375 in.
  • Material=HSS-CO 8% (M42).
  • No.
  • of Flutes=2.
  • Overall Length [Nom]=3.3125 in.
  • Packing Type=Envelope.
  • Point Angle=135°.
  • Point Shape=Split.
  • Shank Type=Straight.
  • Tip Size Symbol [Nom]=X.
  • Type=Screw Machine Drill.
  • Heavy-duty geometry for drilling tougher materials by hand or machine.
  • Shorter flute and overall length provide superior rigidity to minimize deflection when using heavy feed rates.
  • Manufactured from premium cobalt high-speed steel.
  • 135° P3 split point is self-centering for reduced thrust and easier penetration. sizes under.
  • 0625 in do not have split points.
  • Straw and titanium nitride (TiN) finishes standard from stock; titanium aluminum nitride (TiAlN) is a non-stocked standard; alternate coatings available as stock modifications.
.

What Our Customers Say

January 18, 2026

Absolutely no complaints!

This is a product that makes you feel good about your purchase.

- Quinn Z..

January 18, 2026

Absolutely no complaints!

The premium feel is undeniable. It's a pleasure to own.

- Jayden X..

January 18, 2026

Absolutely no complaints!

This is a product that delivers on every single promise.

- Michelle T..

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