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Home > All Categories > Power Tools > Drill Bits > Step Drill Bits > Item# 962152
Irwin Unibit #1 High Speed Steel Fractional Self-Starting/Hole Enlarging Step Drill Bit, Model# 10231 | Buy now for just $21.99!
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Irwin Unibit #1 High Speed Steel Fractional Self-Starting/Hole Enlarging Step Drill Bit, Model# 10231

SpeedPoint tip geometry penetrates stainless steel 6 times faster than before. Single-flute design minimizes vibration and controls progression through the drilling steps. U.S.A.

Item# 962152

Only $21.99
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Key Product Specs
Includes (qty.)1
Hole Size Range1/8 to 1/2 in.
Increments (in.)1/32
Steps13

Additional Product Specs
  • Ideal for drilling holes into thin materials (1/8in. max.) such as stainless steel, copper, brass, aluminum, plastic and laminates
  • New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
  • Single-flute cutting edge for greater control through steps
  • 3 flatted shank prevents slipping in drill chuck
  • Model 10231
Made in the USA