As an Amazon Associate I earn from qualifying purchases.
The step bits in the unibit set all have quick change 1/4” hex shanks COMPATIBLE WITH DRILLS & IMPACT DRIVERS.

Includes: each bit set comes with 3 drill bits of a combined 31 sizes to add to your drilling arsenal: 13 step drill 1/8, 3/8, 5/16, 11/32, 3/4, 1/2-inch and 12 step drill 3/16, 3/8, 13/32, 15/32, 1/4, 5/16, 5/8, 9/16, 1/2, 5/32, 1/2-inch 6 step drill 3/16, 1/4, 9/32, 13/16, 7/32, 7/16, 11/16, 1/4, 3/16, 5/16, 3/8, 7/16, 7/16, 7/8-inch.
Premium step bit: each unibit is constructed of industrial high-speed steel with a titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, stainless steel, wood, copper, and other types of sheet metal. With 31 step sizes, each hole made with these step bits will be precise.




A complete sae set: comes with one 3/16-inch to 1/2-inch six-step bit, 1/4-inch to 3/4-inch nine-step bit, and 1/8-inch to 1/2-inch 13-step bit. Titanium coated strength: Made of high speed steel with titanium coating for added durability and bit life.

Different sized shanks ensure compatibility with 3-Flat Hex Shank - Prevents bit from slipping in the chuck while drilling holes 1/4, 3/8 and 1/2 in. Drills clean, plastic, vinyl siding, fiberglass and cast iron, veneers,, plexiglass, wood, stainless steel, pvc pipe, plasterboard, brass, acrylic, aluminum, firewood, ducts, accurate large holes in these materials up to 1-3/8in.
The easy-to-read step markings and targets save time when drilling holes. Step drill bit can be used on electrical drill, cordless drill, or high impact drill press machine, combo set with durable ABS plastic organizer for easy and safe storage in your tool box. Diameter hard sheet metal, steel, Ideal for electrical, copper, plumbing and HVAC contractors.

Cutting fluid cutting fluid must be poured during work for longer life! Prohibit water-cooling to prevent rust. If you want to drill faster and many holes on metal, Iron, Galvanized Steel, Wood Plate, then please choose this step drill bit.3

Come with a heavy duty aluminum case for easy and safe storage. The two flute design provides a smoother cutting, can be used on electrical drill, cordless drill, allows the material particles escape easily for a much more clean drilling operation, or high impact drill press machine.5
4 prefect for stainless steel/metal sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. 1 professional high speed steel with the colored coating ensures durability and sharpness, reduces the friction, runs cooler, corrosion and rust resistance, performs well in heat, for longer cutting edge life even at extreme temperatures.3 the split point tip is at 118 degrees to increase the wear resistance.
1. Jenoco
#ad
Titanium Step Drill Bit Set Unibit Drill Bits Unibits Set Uni Bit Step Bit Sets Stepped Drill Bits For Sheet Metal Hole Cutter Plastic Plexiglass Acrylic Impact Driver Unabit Up Stepper Cone Hex Shank
#adJenoco #ad - Set includes: 3 titanium step drill bits hex shank, 1 Locking Quick Change Bit Holder Drill Adapter Hex Drive, 1 Fabric Case. Great for drilling multiple size holes in thin metal, polycarbonate, Acrylic, Fiberglass, Conduit, Sheet Metal, Lexan, Plastic, plywood, PVC Pipe, Plexiglass, And Much More!.The step bits in the unibit set all have quick change 1/4” hex shanks COMPATIBLE WITH DRILLS & IMPACT DRIVERS.
More information #ad
Step drill bit sizes: 1/8” | 5/32” | 3/16” | 7/32” | 1/4” | 9/32” | 5/16” | 11/32” | 3/8” | 13/32” | 7/16” | 15/32” | 1/2” | 9/16” | 5/8” | 11/16” | 3/4”. The included hex drive quick change bit holder adapter lets you easily change bits in Your Drill it Fits The Unibits, Along With ANY Type of Hex Bit! .Brand | Jenoco #ad |
Manufacturer | Jenoco #ad |
Part Number | J7437 |
More information #ad
2. Neiko
#ad
NEIKO 10181A Step Drill Bit Set, 3 Piece, Plastic, Unibit Cone Drill Bits with 31 Step Sizes Total, Step Bits for Stainless Steel, Spiral Grooved for Faster Drilling, Wood, Metal
#adNeiko #ad - Step drill bit for metal: with a split point tip that accelerates cutting speed while preventing angled walking away from center line of bore, drilling holes in metal is fast, efficient, and clean. Quick-change: the 1/4-inch hex shank makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools.Includes: each bit set comes with 3 drill bits of a combined 31 sizes to add to your drilling arsenal: 13 step drill 1/8, 3/8, 5/16, 11/32, 3/4, 1/2-inch and 12 step drill 3/16, 3/8, 13/32, 15/32, 1/4, 5/16, 5/8, 9/16, 1/2, 5/32, 1/2-inch 6 step drill 3/16, 1/4, 9/32, 13/16, 7/32, 7/16, 11/16, 1/4, 3/16, 5/16, 3/8, 7/16, 7/16, 7/8-inch.
More information #ad
Spiral design: the two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. Premium step bit: each unibit is constructed of industrial high-speed steel with a titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, stainless steel, wood, copper, and other types of sheet metal. With 31 step sizes, each hole made with these step bits will be precise.
Brand | Neiko #ad |
Manufacturer | Neiko #ad |
Height | 0.75 Inches |
Length | 6 Inches |
Width | 3.5 Inches |
Part Number | 43219-22909 |
Model | 10181A |
More information #ad
3. Titan Tools
#ad
Titan Tools, #1 1/8-1/2 Step Drill Bit 16501
#adTitan Tools #ad - Titanium coating extends life of the bit. Drill 13 different sizes with one bit: 1/8, 7/32, 7/16, 3/8, 13/32, 1/4, 5/16, 11/32, 9/32, 3/16, 5/32, 15/32 and 1/2 inch.More information #ad
Brand | Titan Tools #ad |
Manufacturer | Titan #ad |
Height | 5.8 Inches |
Length | 0.4 Inches |
Weight | 0.05 Pounds |
Width | 2.1 Inches |
Part Number | 16501 |
Model | 16501 |
More information #ad
4. Craftics
#ad
Lexan, ABS, 5/32" Drill Bit for Plastic Acrylics, and More for Hand Held Drills, Plexiglas, PVC
#adCraftics #ad - Diamond dust coating for longer life and sharper cuts. High speed steel drill bits produce clean, chip-free holes. 3-1/8" overall length. No chipping, grabbing, cracking, or melting. Tools specifically engineered for plastics. 3-1/8" overall length.More information #ad
Brand | Craftics #ad |
Manufacturer | Craftics #ad |
Height | 6 Inches |
Length | 6 Inches |
Weight | 1 Pounds |
Width | 1 Inches |
Part Number | 1106026 |
Model | 1106026 |
More information #ad
5. Neiko
#ad
1/8", 1/2" in 1/32" Increments, Neiko 10182A Titanium Step Drill Bit
#adNeiko #ad - 10 sizes with just one bit. Two-flute design for faster, smoother cutting. Automatically deburrs holes as you drill. Hss, titanium Nitrate Coated. Titanium step drill bit 1/8"- 1/2" in 1/32" Increments.More information #ad
Brand | Neiko #ad |
Manufacturer | Ridgerock Tools Inc. #ad |
Height | 0.71 Inches |
Length | 2.36 Inches |
Weight | 0.09 Pounds |
Width | 5.71 Inches |
Part Number | 10182A |
Model | 10182A |
More information #ad
6. Neiko
#ad
28 Sizes, Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel, Standard SAE
#adNeiko #ad - Cuts and deburrs: cuts through steel, sheet metal and other surfaces with only a small amount of pressure and deburrs as you drill.A complete sae set: comes with one 3/16-inch to 1/2-inch six-step bit, 1/4-inch to 3/4-inch nine-step bit, and 1/8-inch to 1/2-inch 13-step bit. Titanium coated strength: Made of high speed steel with titanium coating for added durability and bit life.
More information #ad
Replaces 28 drill bits: this set includes three standard SAE step drill bits that replace 28 individual drill bits. Smooth drilling action: two-flute design provides faster, smoother cutting without walking and a tri-flat shank ensure a firm grip.Brand | Neiko #ad |
Manufacturer | Ridgerock Tools Inc. #ad |
Height | 1 Inches |
Length | 6 Inches |
Weight | 0.02 Pounds |
Width | 4 Inches |
Part Number | 10193A |
Model | 10193A |
More information #ad
7. KSEIBI
#ad
KSEIBI Step Drill Bit Set 5 Pieces Pack High Speed Steel Black Oxide M2 Multiple Hole 50 Sizes 1/8- 1-3/8 inch SAE Standard Drill Attachment KS-575105
#adKSEIBI #ad - These hss double-fluted step bit kit provide faster cutting and drilling than single flute bits. Chuck size. Dual-flute design provides greater speed and control and optimized for cordless drills driver running at high speed.Different sized shanks ensure compatibility with 3-Flat Hex Shank - Prevents bit from slipping in the chuck while drilling holes 1/4, 3/8 and 1/2 in. Drills clean, plastic, vinyl siding, fiberglass and cast iron, veneers,, plexiglass, wood, stainless steel, pvc pipe, plasterboard, brass, acrylic, aluminum, firewood, ducts, accurate large holes in these materials up to 1-3/8in.
More information #ad
M2 high speed steel along with the black coating ensures extreme durability, will stay new and shiny for years to come. The easy-to-read step markings and targets save time when drilling holes. Step drill bit can be used on electrical drill, cordless drill, or high impact drill press machine, combo set with durable ABS plastic organizer for easy and safe storage in your tool box. Diameter hard sheet metal, steel, Ideal for electrical, copper, plumbing and HVAC contractors.
Brand | KSEIBI #ad |
Manufacturer | KSEIBI #ad |
Part Number | KS-575105 |
More information #ad
8. OXMUL
#ad
Copper, Wood, 3/16 to 7/8, Heavy Duty for Stainless Steel,Hard Metal, 12-Steps. 2-Spiral-Flute. #201, M2 HSS, Aluminum, OXMUL Step Drill Bits for Metal, Wood
#adOXMUL #ad - This drill bits is duty for stainless Steel, Aluminum, Mild Metal, Hard Steel, PVC and Copper.2-spiral flute:Clears Chips faster. Heavy duty for stainless steel the m2 hss drill bits can drill 5x longer life and 2x faster.Cutting fluid cutting fluid must be poured during work for longer life! Prohibit water-cooling to prevent rust. If you want to drill faster and many holes on metal, Iron, Galvanized Steel, Wood Plate, then please choose this step drill bit.3
More information #ad
3/8" tri-flatted shank Fits into power tools chuck securely and eliminates slip. M2 hss coated this m2 drill bit can successfully drill more than 25 holes easily into 1/6" thick stainless steel plate like knife through butter! 12 steps︱2-spiral-flute 12 steps: from 3/16", 1/4", 7/16", 5/8", 9/16", 5/16", 3/8", 1/2", 11/16", 3/4" 13/16" to 7/8".Brand | OXMUL #ad |
Manufacturer | Navigator hardware #ad |
Height | 0.85 Inches |
Length | 3.5 Inches |
Weight | 3.3 ounces |
Width | 0.85 Inches |
Part Number | 1 |
More information #ad
9. Lichamp
#ad
Lichamp Step Drill Bit Set for Metal Sheet Heavy Duty, 50 Sizes from 1/8 to 1-3/8 inches, B105RD, 5-Piece HSS Step Up Down Drill Bits Stepper Unibit for Steel Hole
#adLichamp #ad - 2 50 size in 5 multiple hole stepped up bits, ideal for DIY projects at home, garden, convenient to drill different hole size by using a step drill rather than many drills, have many steps which contain multiple diameters, workshop etc.Come with a heavy duty aluminum case for easy and safe storage. The two flute design provides a smoother cutting, can be used on electrical drill, cordless drill, allows the material particles escape easily for a much more clean drilling operation, or high impact drill press machine.5
More information #ad
5 if you aren't satisfied with your purchase, and we'll issue you a refund, contact us through email at any time you want, to ensure you have a nice shopping experience in our store.44 prefect for stainless steel/metal sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. 1 professional high speed steel with the colored coating ensures durability and sharpness, reduces the friction, runs cooler, corrosion and rust resistance, performs well in heat, for longer cutting edge life even at extreme temperatures.3 the split point tip is at 118 degrees to increase the wear resistance.
Brand | Lichamp #ad |
Manufacturer | Lichamp #ad |
Part Number | B105RD |
Warranty | 1 Year |
More information #ad
30-90% Disocunts Found!
We found that some of the products on this list are now discounted on Amazon! Do you want to see these products?
Disclaimer: We earn small fee from purchases made on Amazon.