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20mm - 34mm Irwin #21M High Speed Steel Metric Hole Enlarging, 8 Steps

Irwin #21M High Speed Steel Metric Hole Enlarging, 8 Steps

Irwin #21M High Speed Steel Metric Hole Enlarging, 8 Steps

  • Irwin
  • SKU: 11581 UPC: 038548112213 Product Size: 20mm - 34mm Weight: 0.4 lb Condition: New
  • $116.79 for 1 Unibit
  • You pay $103.75 if you buy 6 or more.
    That's only $103.7457 per Unibit
Product Detailed Description

Irwin #21M High Speed Steel Metric Hole Enlarging, 8 Steps

8 Steps 20mm - 34mm. Maximum Material Thickness 5mm

IRWIN® UNIBIT® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel UNIBIT step drill bits are perfect for use in mild steel, copper, brass, aluminum, plexiglass, wood, and laminate. Our Titanium Nitride-coated (TiN) bits resist heat and friction, which extends the life of the cutting edge six times longer than standard step drills. And, our Cobalt step drill bits are engineered with M35 Cobalt steel for maximum life when drilling in the toughest steel, including stainless steel. Most UNIBIT step drills are designed with a SpeedPoint® tip that guarantees fast starts. They’re manufactured with a single-flute cutting edge that drills multiple sizes of true, round holes with precise step control. Plus, the hole sizes are permanently laser-etched on the inside of the flute, so they can be easily identified throughout the life of the bit.

  • Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
  • Single-flute cutting edge for greater control through steps
  • 3 flatted shank prevents slipping in drill chuck
  • Also available with titanium nitride coating for longer life
  • Patented single-flute cutting edge gives the user a true round hole every time

This Irwin 11581 Irwin High Speed Steel Unibit® Step Drill Bits typically ships in 3-5 business days

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