Step Drills
Stop swapping bits for every size change. Our step drills cut multiple hole diameters fast in sheet metal and thin stock with clean, burr-free results. Go TiN-coated for longer life in stainless and steel, Ferro-Gold for smoother cutting or stepless for dialed-in diameters without center punching. Flats and lobular shanks hold tight so your chuck does not slip.
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Ultra-Bit™ Step Drill Bits
Ultra-Bit™ step drill bits are multi-diameter drills made from high moly alloy steel with a Ferro-Gold finish. Double-fluted geometry cuts clean, burr-free holes in thin metals and plastics and three-flatted shanks reduce chuck slippage. Versatile for portable drills and presses. Made in the U.S.A.
| Item # | Number of Hole Sizes | Shank Diameter | Hole Diameter | Step Depth | Number of Flutes | Material | Finish | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
824101
|
6
|
1/4"
|
3/16" - 1/2"
|
3/8"
|
2
|
High Moly Alloy Steel
|
Ferro-Gold
|
1
|
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|
|
824104
|
8
|
3/8"
|
9/16" - 1"
|
5/32"
|
2
|
High Moly Alloy Steel
|
Ferro-Gold
|
1
|
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|
|
824103
|
9
|
3/8"
|
1/4" - 3/4"
|
5/32"
|
2
|
High Moly Alloy Steel
|
Ferro-Gold
|
1
|
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|
|
824105
|
10
|
3/8"
|
1/4" - 1-3/8"
|
Variable
|
2
|
High Moly Alloy Steel
|
Ferro-Gold
|
1
|
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|
|
824102
|
12
|
3/8"
|
3/16" - 7/8"
|
1/8"
|
2
|
High Moly Alloy Steel
|
Ferro-Gold
|
1
|
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|
|
824100
|
13
|
1/4"
|
1/8" - 1/2"
|
1/8"
|
2
|
High Moly Alloy Steel
|
Ferro-Gold
|
1
|
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Ultra-Bit™ TiN-Coated Step Drill Bits
Ultra-Bit™ TiN-coated step drill bits. High-moly alloy steel with titanium nitride finish and double flute design for cleaner, burr-free holes. Flatted shanks prevent chuck slip and laser-etched markings provide repeatable sizes. Versatile for thin metals and plastics. Made in the U.S.A.
| Item # | Number of Hole Sizes | Shank Diameter | Hole Diameter | Step Depth | Number of Flutes | Material | Finish | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
824401
|
6
|
1/4"
|
3/16" - 1/2"
|
3/8"
|
2
|
High Moly Alloy Steel
|
Titanium Nitride
|
1
|
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|
|
824404
|
8
|
3/8"
|
9/16" - 1"
|
5/32"
|
2
|
High Moly Alloy Steel
|
Titanium Nitride
|
1
|
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|
|
824403
|
9
|
3/8"
|
1/4" - 3/4"
|
5/32"
|
2
|
High Moly Alloy Steel
|
Titanium Nitride
|
1
|
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|
|
824405
|
10
|
3/8"
|
1/4" - 1-3/8"
|
Variable
|
2
|
High Moly Alloy Steel
|
Titanium Nitride
|
1
|
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|
|
824402
|
12
|
3/8"
|
3/16" - 7/8"
|
1/8"
|
2
|
High Moly Alloy Steel
|
Titanium Nitride
|
1
|
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|
|
824400
|
13
|
1/4"
|
1/8" - 1/2"
|
1/8"
|
2
|
High Moly Alloy Steel
|
Titanium Nitride
|
1
|
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Ultra-Bit™ Quick-Change TiN-Coated Step Drill Bits
Ultra-Bit Quick-Change TiN-coated step drill bits made from molybdenum alloy steel. Double-fluted design provides clean, burr-free holes and the titanium nitride finish improves wear resistance for longer tool life. Quick-change hex shank enables fast tool swaps for multi-material drilling.
| Item # | Number of Hole Sizes | Shank Diameter | Hole Diameter | Step Depth | Number of Flutes | Material | Finish | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
824504
|
2
|
1/4"
|
7/8" - 1-1/8"
|
Variable
|
2
|
Molybdenum Alloy Steel
|
Titanium Nitride
|
1
|
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|
|
824502
|
9
|
1/4"
|
1/4" - 3/4"
|
5/32"
|
2
|
Molybdenum Alloy Steel
|
Titanium Nitride
|
1
|
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|
|
824503
|
12
|
1/4"
|
3/16" - 7/8"
|
1/8"
|
2
|
Molybdenum Alloy Steel
|
Titanium Nitride
|
1
|
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|
|
824501
|
13
|
1/4"
|
1/8" - 1/2"
|
1/8"
|
2
|
Molybdenum Alloy Steel
|
Titanium Nitride
|
1
|
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Ultra Vari-Bit® Step Drill Bits
Ultra Vari-Bit® step drill bits manufactured from high speed steel with a black oxide finish. Double fluted with a 3-sided shank to reduce slipping. High heat and wear resistance provides faster, longer cutting and drills common metals and plastics for general fabrication and installation. Made in the U.S.A.
| Item # | Number of Hole Sizes | Shank Diameter | Hole Diameter | Number of Flutes | Material | Finish | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
82244
|
2
|
3/8"
|
7/8" - 1-1/8"
|
2
|
High Speed Steel
|
Black Oxide
|
1
|
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|
|
82243
|
9
|
3/8"
|
1/4" - 3/4"
|
2
|
High Speed Steel
|
Black Oxide
|
1
|
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|
|
82242
|
9
|
3/8"
|
1/2" - 1"
|
2
|
High Speed Steel
|
Black Oxide
|
1
|
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|
|
82241
|
13
|
1/4"
|
1/8" - 1/2"
|
2
|
High Speed Steel
|
Black Oxide
|
1
|
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Taper-Kut™ TiN-Coated Stepless Drill Bits
Taper-Kut TiN-coated stepless drill bit for drilling and enlarging round holes from 5/8" to 1-3/16". High speed steel with titanium nitride finish and dual flutes provides faster cutting and improved wear resistance. Lobular shank helps prevent chuck slippage during use.
| Item # | Shank Diameter | Hole Diameter | Number of Flutes | Material | Finish | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
824472
|
3/8"
|
5/8" - 1-3/16"
|
2
|
High Speed Steel
|
Titanium Nitride
|
1
|
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SP Impact Step Drill Bits
Impact-ready step drills with 7/16" hex quick-change shank for use with impact guns (adapter required). High-performance coating for longer life and fast cutting. Ideal for drilling/expanding precise hole sizes in thin metal.
| Item # | Shank Diameter | Hole Diameter | Material | Finish | Package Qty | |||
|---|---|---|---|---|---|---|---|---|
|
|
|
828024
|
7/16"
|
1/8" - 1/2"
|
M2 High Speed Steel
|
Proprietary High Performance Coating
|
1
|
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|
|
|
828025
|
7/16"
|
3/16" - 7/8"
|
M2 High Speed Steel
|
Proprietary High Performance Coating
|
1
|
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|
|
|
828026
|
7/16"
|
1/4" - 1-3/8"
|
M2 High Speed Steel
|
Proprietary High Performance Coating
|
1
|
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SP Edge Step Drill Bits
High-performance coated step drills for fast, cool cutting and longer life in tough materials. Quick-change hex shank for impact tools and rapid swaps. Laser-etched fractional markings for predictable sizing; drills multiple hole diameters in metal and rigid plastics.
| Item # | Shank Diameter | Hole Diameter | Finish | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
|
825401
|
1/4"
|
1/8" - 1/2"
|
Nanocomposite
|
1
|
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|
|
|
825402
|
1/4"
|
3/16" - 1/2"
|
Nanocomposite
|
1
|
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|
|
|
825404
|
1/4"
|
3/16" - 7/8"
|
Nanocomposite
|
1
|
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|
|
|
825403
|
1/4"
|
1/4" - 3/4"
|
Nanocomposite
|
1
|
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|
|
|
825407
|
1/4"
|
1/4" - 1"
|
Nanocomposite
|
1
|
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|
|
|
825406
|
1/4"
|
1/4" - 1-3/8"
|
Nanocomposite
|
1
|
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|
|
|
825405
|
1/4"
|
3/16" - 1-1/8"
|
Nanocomposite
|
1
|
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6 options | Item #:
824101
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6 options | Item #:
824401
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4 options | Item #:
824504
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4 options | Item #:
82244
Price
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1 option | Item #:
824472
Price
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3 options | Item #:
828024
Price
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7 options | Item #:
825401
Price
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