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Internet # 300046833

Model # C21125

1802 Cobalt Heavy-Duty 135-degree Split Point #1 - #60 Bit Set (60-Piece)

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Product Details

About This Product

This #1 to #60 Cobalt Steel Drill Set is designed for tough and work hardened materials such as stainless, armor and INCONEL. The drills feature 135-degree split points to eliminate drill walking on work-pieces and precision Heavy-Duty construction with tight tolerances which make them ideal for extreme operating conditions. The cobalt steel material provides heat resistance in the drills for greater longevity while a straw finish adds lubricity. These drills offer superior rigidity for hand or machine drilling.


  • Superior rigidity in hand or machine drilling
  • Made of industrial-grade cobalt steel designed for tough and work hardened materials like stainless, armor and INCONEL
  • Cobalt steel is a refractory material that resists heat and allowing the tool to run cooler and last longer
  • 135-degree split point eliminates walking and drills on contact along with requiring less force to push it also drills faster than a conventional pointed drill
  • Straw finish adds lubricity and identifies cobalt
  • Precision ground to tight tolerances
  • Heavy-duty construction for extreme operating conditions
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Product Information

Internet # 300046833

Model # C21125

Additional Resources




Bit Material


Drill Bit Type


Drill Bit Type(s) Included



No Additional Features



Material Application

Aluminum, Angle Iron, Cast Iron, Copper, Duct/Sheet Metal, Nickel, PVC, Stainless Steel, Steel, Wood

Number of Pieces

41-60 Pieces

Number of Pieces




Shank Style


Tools Product Type

Power Tool

Questions & Answers

Q:What is the size range from smallest to largest in this set?
by|Jul 1, 2018
1 Answer
Answer This Question

A:  The size ranges for this product go from a # 1 bit to a # 60 bit.

by|Jun 10, 2023
    1 found this answer helpful
    Showing 1-1 of 1

    Customer Reviews

    5 out of 5

    • 5 out of 2 reviews
    • 0% recommend this product
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    Showing 1-2 of 2 reviews
    What can I say, they cut into steel just like...
    What can I say, they cut into steel just like they're supposed to!
    • Verified Purchase
    I replaced my old 0-60 drill bit kit that I...
    I replaced my old 0-60 drill bit kit that I got in 1978. This set has good quality and drills products with ease. I am sure it will last for a long time also.
    • Verified Purchase
    1 found this review helpful
    Showing 1-2 of 2 reviews