Top 10 Best IRWIN Unibits
for January 2023

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1
9.9
SCORE
Irwin Tools Unibit #5 1/4-Inch to 1-3/8-Inch Step-Drill Bit, 1/2- by IRWIN 10235 ..#from-by#_partzforce_62231816880624

Jonyandwater Irwin Tools Unibit #5 to 1/4-Inch 1-3/8-Inch Step-Drill Bit

by Irwin
What We like

question? Fast way: send us message w/ name: Irwin Tools Unibit #5 1/4-Inch to 1-3/8-Inch Step-Drill Bit, 1/2- by IRWIN 10235 ..#from-by#_*partzforce*_62231816880624

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2
9.5
SCORE
Irwin Industrial Tools 10220CB Unibit 1/16-Inch Hole Enlarging 8-Steps Cobalt Step Drill Bit

Irwin Tools Irwin Industrial Tools 10220CB Unibit Hole 1/16-Inch Enlarging 8-Steps Cobalt Step Drill Bit

by IRWIN
What We like

Country of manufacture: United States

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Product Features

  • Power Cutting & Sawing
  • Made in: United States
  • Package Dimensions: 1.016 H x 15.24 L x 6.858 W (centimeters)
3
9.5
SCORE
Irwin Industrial Tools 10233CB Unibit 1/16-Inch 9-Steps Cobalt Step Drill Bit

Irwin Tools Irwin Industrial Tools 10233CB 1/16-Inch Unibit 9-Steps Cobalt Step Drill Bit

by IRWIN
What We like

Drills 9 hole sizes from 1/4" to 3/4" increments in 1/16" steps

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Product Features

  • Drill bits feature a radial concave flute
  • IRWIN drill bits have laser-marked sizes for simple identification
  • Drill bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel
  • SpeedPoint tip for fast starts
  • Drill bits feature a radial concave flute
4
9
SCORE
Irwin Industrial Tools 10234CB #4 Unibit 3/16- Inch – 7/8-Inch, 12-Steps Cobalt Step Drill Bit (1/16- Inch Steps)

Irwin Tools Irwin Industrial Tools 10234CB Unibit #4 3/16- Inch – 7/8-Inch

by IRWIN
What We like

Cobalt high speed steel for extended cutting edge life makes it ideal for drilling stainless steel

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Product Features

  • SpeedPoint tip prevents "walking," gets fast starts, and eliminates the need for pilot/starting hole
  • Drills 12 different hole sizes, from 3/16" to 7/8" by 16ths
  • Single-flute cutting edge drills true round holes with smooth, clean finish
5
8.9
SCORE
Irwin Tools UniBit 3/16-Inch to 1/2-Inch Step-Drill Bit, 1/4-Inch Shank (10232)

Irwin Tools UniBit 3/16-Inch 1/2-Inch to Step-Drill Bit

by IRWIN
What We like

IRWIN Unibit step drill bits are ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates

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Product Features

  • SpeedPoint tip penetrates fast and helps prevent walking
  • Single-flute cutting edge for greater control through steps
  • Drills 3/16" - 1/2" holes in 1/16" steps
  • Drills 3/16" - 1/2" holes in 1/16" steps
  • Single-flute cutting edge for greater control through steps
6
8.7
SCORE
IRWIN Unibit High-Speed Steel Fractional Self-Starting Step-Drill #5, 10235

Irwin Tools IRWIN Unibit High-Speed Fractional Steel Self-Starting Step-Drill #5

by IRWIN
What We like

Crafted of durable high-speed steel

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Product Features

  • Ideal for drilling holes in mild steel, copper, brass, aluminum, plexiglass, wood, and laminate
  • Hex shank prevents slipping in drill chuck
  • SpeedPoint tip for faster starting
  • Single-flute cutting edge drills true round holes and maximizes step control
7
8.7
SCORE
Irwin Tools Unibit #3 1/4-Inch to 3/4-Inch Step-Drill Bit, 3/8-Inch Shank (10233)

Irwin Tools Unibit #3 to 1/4-Inch 3/4-Inch Step-Drill Bit

by IRWIN
What We like

Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates

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Product Features

  • Patented single-flute cutting edge gives the user a true round hole every time
  • This product is highly durable
  • This product is manufactured in China
  • Single-flute cutting edge for greater control through steps
  • New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
8
8.7
SCORE
Irwin Tools Unibit #14 1-7/32-Inch Step-Drill Bit, 1/2-Inch Shank (10314)

Irwin Tools Unibit 1-7/32-Inch #14 Step-Drill Bit

by IRWIN
What We like

Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates

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Product Features

  • Single-flute cutting edge for greater control through steps
  • Patented single-flute cutting edge gives the user a true round hole every time
  • 3 faltted shank prevents slipping in drill chuck
  • New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
9
8.6
SCORE
Irwin 11104 Unibit4M 4-Millimeter to 22-Millimeter by 3/8-Inch Shank Step Drill Bit

Irwin Tools Irwin 11104 Unibit4M 4-Millimeter to by 22-Millimeter 3/8-Inch Shank Step Drill Bit

by IRWIN
What We like

Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates

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Product Features

  • New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
  • Single-flute cutting edge for greater control through steps
  • 3 faltted shank prevents slipping in drill chuck
10
7.9
SCORE
Irwin Industrial Tools 10239CB Unibit 2-Steps Cobalt Step Drill Bit for 1/2-Inch and 3/4-Inch KO

Irwin Tools Irwin Industrial Tools 10239CB Unibit 2-Steps Step Cobalt Drill Bit for 1/2-Inch and 3/4-Inch KO

by IRWIN
What We like

Package height:21.0"

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Product Features

  • Package length:18.0"
  • Package width:18.0"
  • Country of Origin:United States

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