Step Drill Bit

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10220 Irwin Unibit Step Drill Bit Set,8 Hole S (9/16''-1''),Shank1/2",1/8'' Increments

IRW10220

$70.98

Irwin Unibit Step Drill Bit Set, Size: 8 Hole sizes (9/16''-1''), Style: 1/8'' Increments, Material: Steel, Type: Unibit high-speed hole enlarging, Shank Size: 1/2"

10231 Irwin Unibit Step Drill Bit Set,13 Hole S (1/8"-1/2"),1/8''

IRW10231

$34.41

Irwin Unibit Step Drill Bit Set, Size: 13 Hole Sizes (1/8"-1/2"), Style: 1/8'' Increments, Material: Steel, Type: Unibit high-speed self-starting, Shank Size: 1/4"

10232 Irwin Unibit Step Drill Bit Set,6 Hole S (3/16"-1/2"),3/8"

IRW10232

$37.31

Irwin Unibit Step Drill Bit Set, Size: 6 Hole Sizes (3/16"-1/2"), Style: 3/8" Increments, Material: Steel, Type: Unibit high-speed self-starting, Shank Size: 1/4"

10233 Irwin Unibit Step Drill Bit Set,9 Hole S (1/4"-3/4"),1/8'',Shank3/8"

IRW10233

$62.12

Irwin Unibit Step Drill Bit Set, Size: 9 Hole Sizes (1/4"-3/4"), Style: 1/8'' Increments, Material: Steel, Type: Unibit high-speed self-starting, Shank Size: 3/8"

10310 Irwin Step Drill Bit,10-1/2" standard,1 Hole

IRW10310

$36.15

Irwin Step Drill Bit, Size: 10-1/2" standard, Number of holes: 1

10311ZR Irwin Step Drill Bit,11-7/8",1 Hole

IRW10311ZR

$74.60

Irwin Step Drill Bit, Size: 11-7/8", Number of holes: 1

10313ZR Irwin Step Drill Bit,#13 UNIBIT Step Drill,1-1/8",1 Hole

IRW10313ZR

$96.12

Irwin Step Drill Bit, Type: #13 UNIBIT Step Drill, Size: 1-1/8", Number of holes: 1

15102ZR Irwin Step Drill Bit,2T 6 Hole S (3/16"-1/2"),1 /16" Increments

IRW15102ZR

$49.69

Irwin Step Drill Bit, Type: 2T 6 Hole Sizes (3/16"-1/2"), Size: 1 /16" Increments

15104 Irwin Step Drill Bit,3/16" minimum DIA,7/8" maximum DIA

IRW15104

$105.92

Irwin Step Drill Bit, Size: 3/16" minimum diameter, 7/8" maximum diameter, 1/16" incremetal diameter, 3/8" shank, 1/6" Increments, Number of holes: 12, Material: Titanium nitride coated coating, Brand: UNIBIT, Max material thickness: 1/8"

10234 Irwin Unibit Step Drill Bit Set,12 Hole S (3/16"-7/8"),1/8'',Shank3/8"

IRW10234

$73.44

Irwin Unibit Step Drill Bit Set, Size: 12 Hole Sizes (3/16"-7/8"), Style: 1/8'' Increments, Material: Steel, Type: Unibit high-speed self-starting, Shank Size: 3/8"

10235 Irwin Unibit Step Drill Bit Set,10 Hole S (1/4"- 1-3/8"),1/8",Shank1/2"

IRW10235

$140.81

Irwin Unibit Step Drill Bit Set, Size: 10 Hole Sizes (1/4"- 1-3/8"), Style: 1/8" Increments, Material: Steel, Type: Unibit high-speed self-starting, Shank Size: 1/2"

10314 Irwin Step Drill Bit,1-7/32" maximum DIA,1/2" shank,1-7/32" hole Sz,UNIBIT

IRW10314

$103.02

Irwin Step Drill Bit, Size: 1-7/32" maximum diameter, 1/2" shank, 1-7/32" hole size, Brand: UNIBIT