Bostwick-Braun Industrial | Step Drill Bits

Alfa USA® MB52501 Step Drill, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, Steel, 1/4 in Shank

Part #

MB52501

MFG Part #

MB52501

Alfa USA® MB52507 Step Drill, 13/16 in Minimum Hole Dia, 1-3/8 in Maximum Hole Dia, 10 Steps, Steel, 1/2 in Shank

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Alfa USA® MB52507 Step Drill, 13/16 in Minimum Hole Dia, 1-3/8 in Maximum Hole Dia, 10 Steps, Steel, 1/2 in Shank

Part #

MB52507

MFG Part #

MB52507

Alfa USA® MB52511 Step Drill, 3/16 in Minimum Hole Dia, 7/8 in Maximum Hole Dia, 12 Steps, Steel, 3/8 in Shank

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Alfa USA® MB52511 Step Drill, 3/16 in Minimum Hole Dia, 7/8 in Maximum Hole Dia, 12 Steps, Steel, 3/8 in Shank

Part #

MB52511

MFG Part #

MB52511

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ARCH Cutting Tools

ARCH 4031749 Oil Hole Step Drill Bit

Part #

4031749

MFG Part #

4031749

Champion ProLine MB52504 Step Drill Bit, 1 Steps, HSS, 1/4 in Shank

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Champion ProLine MB52504 Step Drill Bit, 1 Steps, HSS, 1/4 in Shank

Part #

/MB52504

MFG Part #

MB52504

Champion® MSD 1/2 X 3/16 Step Drill Bit, 3/16 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 6 Steps, High Speed Steel

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Champion® MSD 1/2 X 3/16 Step Drill Bit, 3/16 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 6 Steps, High Speed Steel

Part #

UNB1850CH

MFG Part #

MSD 1/2 X 3/16

Champion® MSD 3/16 X 7/8 Step Drill Bit, 3/16 in Minimum Hole Dia, 7/8 in Maximum Hole Dia, 6 Steps, High Speed Steel

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Champion® MSD 3/16 X 7/8 Step Drill Bit, 3/16 in Minimum Hole Dia, 7/8 in Maximum Hole Dia, 6 Steps, High Speed Steel

Part #

UNB1887CH

MFG Part #

MSD 3/16 X 7/8

Champion® MSD1/4 X 3/4 Step Drill Bit, 3/4 in Minimum Hole Dia, 1/4 in Maximum Hole Dia, 9 Steps

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Champion® MSD1/4 X 3/4 Step Drill Bit, 3/4 in Minimum Hole Dia, 1/4 in Maximum Hole Dia, 9 Steps

Part #

UNB075

MFG Part #

MSD1/4 X 3/4

DeWALT® IMPACT READY® DWA1786IR High Performance Impact-Rated Step Drill Bit, Imperial, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, Titanium, 12 Hole Sizes, 1/4 in Shank

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DeWALT® IMPACT READY® DWA1786IR High Performance Impact-Rated Step Drill Bit, Imperial, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, Titanium, 12 Hole Sizes, 1/4 in Shank

Part #

DWA1786IR

MFG Part #

DWA1786IR

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EZ Cut Tool 4062573 Step Drill Bit, 0.257 in Minimum Hole Dia, 0.406 in Maximum Hole Dia

Part #

ECTDRILL4062573

MFG Part #

4062573

Standard Pack

EACH

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EZ Cut Tool 437313 Step Drill Bit, 0.313 in Minimum Hole Dia, 0.437 in Maximum Hole Dia

Part #

ECTDRILL437313

MFG Part #

437313

Standard Pack

EACH

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EZ Cut Tool 646-7-16-19 Step Drill Bit, 3/8 in Shank

Part #

ECTEZ1140

MFG Part #

646-7-16-19

Standard Pack

EACH

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EZ Cut Tool 948-6-01-21 Flat Bottom Step Drill Bit, High Speed Steel, 3/8 in Shank

Part #

ECTQUOTE948

MFG Part #

948-6-01-21

Standard Pack

EACH

Fractional Self-Starting Bit, 1/2 in Maximum Hole Dia, 1 Steps, Steel, 1/4 in Shank

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Fractional Self-Starting Bit, 1/2 in Maximum Hole Dia, 1 Steps, Steel, 1/4 in Shank

Part #

IRW10310

MFG Part #

585-10310

Fractional Self-Starting Bit, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, Steel, 1/4 in Shank

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Fractional Self-Starting Bit, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, Steel, 1/4 in Shank

Part #

/IRW10231

MFG Part #

585-10231

GARR 44-10-715065 Step Drill Bit, Carbide

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Garr Tool Company

GARR 44-10-715065 Step Drill Bit, Carbide

Part #

STIP44-10-715065

MFG Part #

44-10-715065

Greenlee® GSB04-B Step Drill Bit, 12 Steps, Steel, 12 Hole Sizes, 1/2 in Shank

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Greenlee Textron

Greenlee® GSB04-B Step Drill Bit, 12 Steps, Steel, 12 Hole Sizes, 1/2 in Shank

Part #

GSB04-B

MFG Part #

GSB04-B

Greenlee® GSB09 Multi-Hole Step Drill Bit, 3/16 in Dia Min Hole, 1/8 in Dia Max Hole, 4 Steps, Mild Steel

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Emerson Electric

Greenlee® GSB09 Multi-Hole Step Drill Bit, 3/16 in Dia Min Hole, 1/8 in Dia Max Hole, 4 Steps, Mild Steel

Part #

332-GSB09

MFG Part #

GSB09

Hayden 01-10-57680 Step Drill Bit, Carbide

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Hayden Twist Drill & Tool Co Inc.

Hayden 01-10-57680 Step Drill Bit, Carbide

Part #

STIP01-10-57680

MFG Part #

01-10-57680

Irwin® Unibit® 10220 Step Drill Bit, 9/16 in Dia Min Hole, 1 in Dia Max Hole, 8 Steps, High Speed Steel, 8 Hole Sizes, 7/16 in Shank

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Irwin® Unibit® 10220 Step Drill Bit, 9/16 in Dia Min Hole, 1 in Dia Max Hole, 8 Steps, High Speed Steel, 8 Hole Sizes, 7/16 in Shank

Part #

UNB5610

MFG Part #

10220

Standard Pack

Irwin® Unibit® 10231 Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, HSS, 13 Hole Sizes, 1/4 in Shank

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Irwin® Unibit® 10231 Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, HSS, 13 Hole Sizes, 1/4 in Shank

Part #

UNB1250

MFG Part #

10231

Irwin® Unibit® 10232 Self-Starting Step Drill Bit, 3/16 in Dia Min Hole, 1/2 in Dia Max Hole, 6 Steps, HSS, 6 Hole Sizes, 1/4 in Shank

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Irwin® Unibit® 10232 Self-Starting Step Drill Bit, 3/16 in Dia Min Hole, 1/2 in Dia Max Hole, 6 Steps, HSS, 6 Hole Sizes, 1/4 in Shank

Part #

UNB1850

MFG Part #

10232

Standard Pack

Irwin® Unibit® 10233 Self-Starting Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, 9 Steps, HSS, 9 Hole Sizes, 3/8 in Shank

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Irwin® Unibit® 10233 Self-Starting Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, 9 Steps, HSS, 9 Hole Sizes, 3/8 in Shank

Part #

UNB2575

MFG Part #

10233

Standard Pack

Irwin® Unibit® 10234 Step Drill Bit, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, HSS, 12 Hole Sizes, 3/8 in Shank

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Irwin® Unibit® 10234 Step Drill Bit, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, HSS, 12 Hole Sizes, 3/8 in Shank

Part #

UNB1887

MFG Part #

10234

Irwin® UNIBIT® 10235 Self-Starting Step Drill Bit, 1/4 in Dia Min Hole, 1-3/8 in Dia Max Hole, 10 Steps, High Speed Steel, 5 Hole Sizes, 7/16 in Shank

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Irwin® UNIBIT® 10235 Self-Starting Step Drill Bit, 1/4 in Dia Min Hole, 1-3/8 in Dia Max Hole, 10 Steps, High Speed Steel, 5 Hole Sizes, 7/16 in Shank

Part #

UNB25137

MFG Part #

10235

Standard Pack

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Alfa USA® MB52501 Step Drill, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, Steel, 1/4 in Shank

Part #

MB52501

MFG Part #

MB52501

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Alfa USA® MB52507 Step Drill, 13/16 in Minimum Hole Dia, 1-3/8 in Maximum Hole Dia, 10 Steps, Steel, 1/2 in Shank

Part #

MB52507

MFG Part #

MB52507

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Alfa USA® MB52511 Step Drill, 3/16 in Minimum Hole Dia, 7/8 in Maximum Hole Dia, 12 Steps, Steel, 3/8 in Shank

Part #

MB52511

MFG Part #

MB52511

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ARCH Cutting Tools

ARCH 4031749 Oil Hole Step Drill Bit

Part #

4031749

MFG Part #

4031749

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Champion ProLine MB52504 Step Drill Bit, 1 Steps, HSS, 1/4 in Shank

Part #

/MB52504

MFG Part #

MB52504

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Champion® MSD 1/2 X 3/16 Step Drill Bit, 3/16 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 6 Steps, High Speed Steel

Part #

UNB1850CH

MFG Part #

MSD 1/2 X 3/16

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Champion® MSD 3/16 X 7/8 Step Drill Bit, 3/16 in Minimum Hole Dia, 7/8 in Maximum Hole Dia, 6 Steps, High Speed Steel

Part #

UNB1887CH

MFG Part #

MSD 3/16 X 7/8

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Champion® MSD1/4 X 3/4 Step Drill Bit, 3/4 in Minimum Hole Dia, 1/4 in Maximum Hole Dia, 9 Steps

Part #

UNB075

MFG Part #

MSD1/4 X 3/4

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DeWALT® IMPACT READY® DWA1786IR High Performance Impact-Rated Step Drill Bit, Imperial, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, Titanium, 12 Hole Sizes, 1/4 in Shank

Part #

DWA1786IR

MFG Part #

DWA1786IR

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EZ Cut Tool 4062573 Step Drill Bit, 0.257 in Minimum Hole Dia, 0.406 in Maximum Hole Dia

Part #

ECTDRILL4062573

MFG Part #

4062573

Standard Pack

EACH

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EZ Cut Tool 437313 Step Drill Bit, 0.313 in Minimum Hole Dia, 0.437 in Maximum Hole Dia

Part #

ECTDRILL437313

MFG Part #

437313

Standard Pack

EACH

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EZ Cut Tool 646-7-16-19 Step Drill Bit, 3/8 in Shank

Part #

ECTEZ1140

MFG Part #

646-7-16-19

Standard Pack

EACH

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EZ Cut Tool 948-6-01-21 Flat Bottom Step Drill Bit, High Speed Steel, 3/8 in Shank

Part #

ECTQUOTE948

MFG Part #

948-6-01-21

Standard Pack

EACH

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Fractional Self-Starting Bit, 1/2 in Maximum Hole Dia, 1 Steps, Steel, 1/4 in Shank

Part #

IRW10310

MFG Part #

585-10310

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Fractional Self-Starting Bit, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, Steel, 1/4 in Shank

Part #

/IRW10231

MFG Part #

585-10231

Compare

Garr Tool Company

GARR 44-10-715065 Step Drill Bit, Carbide

Part #

STIP44-10-715065

MFG Part #

44-10-715065

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Greenlee Textron

Greenlee® GSB04-B Step Drill Bit, 12 Steps, Steel, 12 Hole Sizes, 1/2 in Shank

Part #

GSB04-B

MFG Part #

GSB04-B

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Emerson Electric

Greenlee® GSB09 Multi-Hole Step Drill Bit, 3/16 in Dia Min Hole, 1/8 in Dia Max Hole, 4 Steps, Mild Steel

Part #

332-GSB09

MFG Part #

GSB09

Compare

Hayden Twist Drill & Tool Co Inc.

Hayden 01-10-57680 Step Drill Bit, Carbide

Part #

STIP01-10-57680

MFG Part #

01-10-57680

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Irwin® Unibit® 10220 Step Drill Bit, 9/16 in Dia Min Hole, 1 in Dia Max Hole, 8 Steps, High Speed Steel, 8 Hole Sizes, 7/16 in Shank

Part #

UNB5610

MFG Part #

10220

Standard Pack

Compare

Irwin® Unibit® 10231 Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, HSS, 13 Hole Sizes, 1/4 in Shank

Part #

UNB1250

MFG Part #

10231

Compare

Irwin® Unibit® 10232 Self-Starting Step Drill Bit, 3/16 in Dia Min Hole, 1/2 in Dia Max Hole, 6 Steps, HSS, 6 Hole Sizes, 1/4 in Shank

Part #

UNB1850

MFG Part #

10232

Standard Pack

Compare

Irwin® Unibit® 10233 Self-Starting Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, 9 Steps, HSS, 9 Hole Sizes, 3/8 in Shank

Part #

UNB2575

MFG Part #

10233

Standard Pack

Compare

Irwin® Unibit® 10234 Step Drill Bit, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, HSS, 12 Hole Sizes, 3/8 in Shank

Part #

UNB1887

MFG Part #

10234

Compare