Step Drills

4 Pc. High Speed Steel Step Drill Bit Set 10225

The Irwin Unibit® high-speed steel step drill set features single-flute cutting edges for greater control and more precise drilling.Three-flatted shanks prevent the bits from slipping in the drill while the non-skid self-starting tips eliminate skidding...

UNIBIT® 13/16 - 1-3/8" #21 High Speed Steel Step Drill Bit 10221

Designed with a single-flute cutting edge for great control, the Unibit® #21 13/16" - 1-3/8"Step-drill bit makes true round holes every time.It can power through a variety of surfaces, including: stainless steel, copper, brass, aluminum, plastic, and...

UNIBIT® 9/16 - 1" #20 High Speed Steel Step Drill Bit 10220

Get it all done with one when you choose Unibit® stairstep bits.Single-flute cutting edge provides precise depth control though all size steps.Shanks flat side surface ensures slip-free chuck lock-down.Blunt-tip, hole-enlarging bit may be used on...

1/4 ~ 1-3/8" HSS Step Drill DR70005

HSS Split point Progressive ("step") drills are designed to create clean, accurate, burr free holes in thin metal (up to 1/8") Unique spiral flute design (No. 1, 2, 3) gives better hole accuracy and surface finish Clarkson Osborn Catalog

3/16 ~ 7/8" HSS Step Drill DR70004

HSS Split point Progressive ("step") drills are designed to create clean, accurate, burr free holes in thin metal (up to 1/8") Unique spiral flute design (No. 1, 2, 3) gives better hole accuracy and surface finish Clarkson Osborn Catalog

1/4 ~ 3/4" HSS Step Drill DR70003

HSS Split point Progressive ("step") drills are designed to create clean, accurate, burr free holes in thin metal (up to 1/8") Unique spiral flute design (No. 1, 2, 3) gives better hole accuracy and surface finish Clarkson Osborn Catalog

3/16 ~ 1/2" HSS Step Drill DR70002

HSS Split point Progressive ("step") drills are designed to create clean, accurate, burr free holes in thin metal (up to 1/8") Unique spiral flute design (No. 1, 2, 3) gives better hole accuracy and surface finish Clarkson Osborn Catalog

1/8 ~ 1/2" HSS Step Drill DR70001

HSS Split point Progressive ("step") drills are designed to create clean, accurate, burr free holes in thin metal (up to 1/8") Unique spiral flute design (No. 1, 2, 3) gives better hole accuracy and surface finish Clarkson Osborn Catalog

1/4 ~ 1-3/8" @ 10 Steps HSS Step Drill Bit TGDB-10235

Triple flat shank / will not spin in drill chuck  Tuff Grade Catalog 

3/16 ~ 7/8" @ 12 Steps HSS Step Drill Bit TGDB-10234

Triple flat shank / will not spin in drill chuck  Tuff Grade Catalog 

1/4 ~ 3/4" @ 9 Steps HSS Step Drill Bit TGDB-10233

Triple flat shank / will not spin in drill chuck  Tuff Grade Catalog 

3/16 ~ 1/2" @ 6 Steps HSS Step Drill Bit TGDB-10232

Triple flat shank / will not spin in drill chuck  Tuff Grade Catalog