Industrial-Grade Cobalt Step Drill Bits

$10.97
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The Industrial-Grade Cobalt Step Drill Bits lets you drill nearly any size of hole with ease! Multiple sized drill bits integrated into one, saving you a lot of time while working, meeting all your needs, compact and easy to carry!The 1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck!

Convenient & Accurate! on each bit offer superb convenience and accuracy, ideal for drilling large and small-diameter holes in stainless steel, steel, metal and plastic. With these drill bits you don't need to hire any workers to drill for you!

FEATURES:

  • Easy and smooth drilling: Each step is clearly labelled with the depth diameter in steps
  • Two-Flute Design: 2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process.
  • Built to last: Made of high speed steel and titanium coated for added durability and bit life.The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean.
  • Quick Change: 1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck.
  • Multiple in one: Multiple sized drill bits integrated into one, saving you a lot of time while working
  • Wide Application: Works on plastic ,wood and most metals, including steel, brass, aluminum and copper.
  • Meet Your Demands: Perfect for home DIY, and general building/ engineering use.

PACKAGE SPECIFICATION: 

  • Material: High speed steel
  • Finish: Titanium
  • Shaft Type: Hexagonal shaft
  • Size:
  1. 4-12mm Length: Approximately 6.7cm / 2.64"
  2. 4-20mm Length: Approximately 7.4cm / 2.91"
  3. 4-32mm Length: Approximately 10.2cm / 4.02"

    PACKAGE INCLUDES:

    • 4-12mm: 4mm 6mm 8mm 10mm 12mm
    • 4-20mm: 4mm 4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm
    • 4-32mm: 4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 24mm 26mm 28mm 30mm 32mm

    PACKAGE INCLUDES:

    • 1 x 4-12mm Step drill or
    • 1 x 4-20mm Step drill or
    • 1 x 4-32mm Step drill or
    • 1 x Set of 3
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