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Step Drill Bits

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Milwaukee® 48-89-9284 Step Drill Bit, 3/16 in Diameter Minimum Hole, 7/8 in Diameter Maximum Hole
Milwaukee Tool
Milwaukee® 48-89-9284 Step Drill Bit, 3/16 in Diameter Minimum Hole, 7/8 in Diameter Maximum Hole

Part #

MIL48-89-9284

MFG Part #

48-89-9284
ÿÿ
Lenox®
Stanley Black & Decker® Lenox® Vari-Bit® 30881VB1 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 #

LENO30881-VB1

MFG Part #

30881VB1

Standard Pack

1
Hayden 01-10-57680 Step Drill Bit, Carbide
Hayden Twist Drill & Tool Co Inc.
Hayden 01-10-57680 Step Drill Bit, Carbide

Part #

STIP01-10-57680

MFG Part #

01-10-57680
ARCH 4031749 Oil Hole Step Drill Bit
ARCH Cutting Tools
ARCH 4031749 Oil Hole Step Drill Bit

Part #

4031749

MFG Part #

4031749
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
Stanley Black & Decker
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

1
Greenlee® GSB09 Multi-Hole Step Drill Bit, 3/16 in Dia Min Hole, 1/8 in Dia Max Hole, 4 Steps, Mild Steel
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
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
Champion Cutting Tool Corp
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
EZ Cut Tool 948-6-01-21 Flat Bottom Step Drill Bit, High Speed Steel, 3/8 in Shank
EZ Cut Tool
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
ÿ
Milwaukee Tool
Milwaukee® 48-89-9281 Step Drill Bit, 1/8 in Diameter Minimum Hole, 1/2 in Diameter Maximum Hole

Part #

MIL48-89-9281

MFG Part #

48-89-9281
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
Stanley Black & Decker
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

1
Alfa USA® MB52511 Step Drill, 3/16 in Minimum Hole Dia, 7/8 in Maximum Hole Dia, 12 Steps, Steel, 3/8 in Shank
Alfa Tools
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
ÿÿÿÿ
Milwaukee Tool
Milwaukee® 48-89-9241 Impact Step Drill Bit, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, Titanium, 13 Hole Sizes, 1/4 in Shank

Part #

MIL48-89-9241

MFG Part #

48-89-9241
Champion ProLine MB52504 Step Drill Bit, 1 Steps, HSS, 1/4 in Shank
Champion Cutting Tool Corp
Champion ProLine MB52504 Step Drill Bit, 1 Steps, HSS, 1/4 in Shank

Part #

/MB52504

MFG Part #

MB52504
ÿÿÿÿ
Milwaukee Tool
Milwaukee® 48-89-9201 Step Drill Bit, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, High Speed Steel, 13 Hole Sizes, 1/4 in Shank

Part #

MIL48-89-9201

MFG Part #

48-89-9201
ÿÿ
Lenox®
Stanley Black & Decker® Lenox® 30883VB3 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 #

LENO30883-VB3

MFG Part #

30883VB3

Standard Pack

1
EZ Cut Tool 4062573 Step Drill Bit, 0.257 in Minimum Hole Dia, 0.406 in Maximum Hole Dia
EZ Cut Tool
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
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
Alfa Tools
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
Champion® MSD1/4 X 3/4 Step Drill Bit, 3/4 in Minimum Hole Dia, 1/4 in Maximum Hole Dia, 9 Steps
Champion Cutting Tool Corp
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
ÿÿÿÿ
Milwaukee Tool
Milwaukee® 48-89-9205 Step Drill Bit, 1/4 in Diameter Minimum Hole, 1-3/8 in Diameter Maximum Hole, 10 Steps, 3/8 in Shank

Part #

MIL48-89-9205

MFG Part #

48-89-9205
ÿ
Stanley Black & Decker
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
ÿÿÿÿ
Klein Tools
Klein® KTSB15 Step Drill Bit, 7/8 in Minimum Hole Dia, 1-3/8 in Maximum Hole Dia, M2 Steel, 2 Hole Sizes, 3/8 in Shank

Part #

KLT409-KSTB15

MFG Part #

KTSB15
Greenlee® GSB04-B Step Drill Bit, 12 Steps, Steel, 12 Hole Sizes, 1/2 in Shank
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
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
Stanley Black & Decker
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

1
Alfa USA® MB52501 Step Drill, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, Steel, 1/4 in Shank
Alfa Tools
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
Milwaukee® 48-89-9284 Step Drill Bit, 3/16 in Diameter Minimum Hole, 7/8 in Diameter Maximum Hole
Milwaukee Tool
Milwaukee® 48-89-9284 Step Drill Bit, 3/16 in Diameter Minimum Hole, 7/8 in Diameter Maximum Hole

Part #

MIL48-89-9284

MFG Part #

48-89-9284
ÿÿ
Lenox®
Stanley Black & Decker® Lenox® Vari-Bit® 30881VB1 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 #

LENO30881-VB1

MFG Part #

30881VB1

Standard Pack

1
Hayden 01-10-57680 Step Drill Bit, Carbide
Hayden Twist Drill & Tool Co Inc.
Hayden 01-10-57680 Step Drill Bit, Carbide

Part #

STIP01-10-57680

MFG Part #

01-10-57680
ARCH 4031749 Oil Hole Step Drill Bit
ARCH Cutting Tools
ARCH 4031749 Oil Hole Step Drill Bit

Part #

4031749

MFG Part #

4031749
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
Stanley Black & Decker
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

1
Greenlee® GSB09 Multi-Hole Step Drill Bit, 3/16 in Dia Min Hole, 1/8 in Dia Max Hole, 4 Steps, Mild Steel
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
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
Champion Cutting Tool Corp
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
EZ Cut Tool 948-6-01-21 Flat Bottom Step Drill Bit, High Speed Steel, 3/8 in Shank
EZ Cut Tool
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
ÿ
Milwaukee Tool
Milwaukee® 48-89-9281 Step Drill Bit, 1/8 in Diameter Minimum Hole, 1/2 in Diameter Maximum Hole

Part #

MIL48-89-9281

MFG Part #

48-89-9281
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
Stanley Black & Decker
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

1
Alfa USA® MB52511 Step Drill, 3/16 in Minimum Hole Dia, 7/8 in Maximum Hole Dia, 12 Steps, Steel, 3/8 in Shank
Alfa Tools
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
ÿÿÿÿ
Milwaukee Tool
Milwaukee® 48-89-9241 Impact Step Drill Bit, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, Titanium, 13 Hole Sizes, 1/4 in Shank

Part #

MIL48-89-9241

MFG Part #

48-89-9241
Champion ProLine MB52504 Step Drill Bit, 1 Steps, HSS, 1/4 in Shank
Champion Cutting Tool Corp
Champion ProLine MB52504 Step Drill Bit, 1 Steps, HSS, 1/4 in Shank

Part #

/MB52504

MFG Part #

MB52504
ÿÿÿÿ
Milwaukee Tool
Milwaukee® 48-89-9201 Step Drill Bit, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 13 Steps, High Speed Steel, 13 Hole Sizes, 1/4 in Shank

Part #

MIL48-89-9201

MFG Part #

48-89-9201
ÿÿ
Lenox®
Stanley Black & Decker® Lenox® 30883VB3 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 #

LENO30883-VB3

MFG Part #

30883VB3

Standard Pack

1
EZ Cut Tool 4062573 Step Drill Bit, 0.257 in Minimum Hole Dia, 0.406 in Maximum Hole Dia
EZ Cut Tool
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
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
Alfa Tools
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
Champion® MSD1/4 X 3/4 Step Drill Bit, 3/4 in Minimum Hole Dia, 1/4 in Maximum Hole Dia, 9 Steps
Champion Cutting Tool Corp
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
ÿÿÿÿ
Milwaukee Tool
Milwaukee® 48-89-9205 Step Drill Bit, 1/4 in Diameter Minimum Hole, 1-3/8 in Diameter Maximum Hole, 10 Steps, 3/8 in Shank

Part #

MIL48-89-9205

MFG Part #

48-89-9205
ÿ
Stanley Black & Decker
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
ÿÿÿÿ
Klein Tools
Klein® KTSB15 Step Drill Bit, 7/8 in Minimum Hole Dia, 1-3/8 in Maximum Hole Dia, M2 Steel, 2 Hole Sizes, 3/8 in Shank

Part #

KLT409-KSTB15

MFG Part #

KTSB15
Greenlee® GSB04-B Step Drill Bit, 12 Steps, Steel, 12 Hole Sizes, 1/2 in Shank
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
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
Stanley Black & Decker
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

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