Top 10 Best step up bit in 2026

Last Updated - 6/6/2026

🏆Best Choice

IRONANT

IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•HSS Titanium Coating: The step drill has excellent sharpness and durability due to its high speed steel material and titanium coating
•118° Split Point Tip & Dual-flute Design: increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily
•50 Sizes in 5 Pcs: The step drill bit kit includes 5 standard pieces with totally 50 sizes for versatility, enough for your DIY needs
•Widely Application: Ideal for drilling holes in plastic, aluminum, iron and many other types of sheet metal (Not recommended for stainless steel & wood)
•Equipped with a well-organized case, make it more convenient for using and storing the step drills

View offer on:

$20.89

$32.99

-37%

Check Price

NEIKO

NEIKO 10181A Step Drill Bit Set, 3 Piece, Spiral Grooved for Faster Drilling, Step Bits for Stainless Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits with 31 Step Sizes Total

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•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, wood, copper, stainless steel, and other types of sheet metal.
•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.
•SPIRAL DESIGN: The two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. With 31 step sizes, each hole made with these step bits will be precise.
•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, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch) 6 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch).

View offer on:

$13.71

$16.99

-19%

Check Price

ZELCAN

ZELCAN 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Durable HSS Drill Bit ----- High-speed steel makes it last longer than others, titanium coating ensure easily cut through iron sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean.
•Titanium Coating ----- Coated with titanium, this step drill set performs well in heat, corrosion and rust resistance.
•Revolutionary Design ----- Tri-flatted shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily.
•Includes 10 Step Sizes ----- 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8".
•A Must-Have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal).

View offer on:

$9.99

$10.99

-9%

Check Price

Jerax tools

Jerax tools 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•[M2 HSS]: Cuts A LOT MORE CLEAN holes and much EASIER than average step bits. In general, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving durability. Our additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
•[Non-stop]: Our Polished Steps and Size Highlights let you able to see target hole size during drilling. No need to stop in the middle of the drilling and check. Save you time and hassle.
•[Easier | Faster | Cleaner]: With our high-accuracy CNC processing and several optimized design details over the years, our design cuts EASY, FAST and CLEAN, outperforming the average ones on the market.
•[Heavy duty]: Cuts holes on Stainless steel (need appropriate pressure), Hardened Metal, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for Stainless steel.
•[Multi Hole Sizes]: No need to buy a kit. This one step bit comes with 5 marked sizes so you can drill 5 different hole sizes, saving you time and efforts to change bits. Marked sizes including: 7/8", 1-1/8", 1-7/32", 1-1/4", 1-3/8".

View offer on:

$26.95

Check Price

ZELCAN

ZELCAN Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Extreme Durability: Cobalt high speed steel drill bits along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
•Different Sizes of Holes Can Be Drilled: Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You are capable to drill holes in different sizes which can meet your normal needs.
•Smooth Drilling: Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
•Use Center Punch to Mark the Spot: Please mark the spot that you are to drill for easier drilling and improved drill bits life.
•Keep Your Step Drill Bits Well Organized: All the bits come in a well-organized case for easy transport and storage.

View offer on:

$22.99

Check Price

Aleric

Aleric Step Drill Bit Set - Titanium Coated, High Speed Steel Drill Cone Bits for Aluminum, Wood and Plastic Hole Drilling Cutting, Multi Size Hole Stepped Up Unibit for DIY Lovers,3pcs

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•【QUILITY STEP DRILL BITS】 The step drill bits are made of classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, wood board, copper, stainless steel ect.
•【DOUBLE CUTTING BLADES DESIGN】The high speed steel step drill bit set is designed with double cutting blades, which provides faster, smoother and accurate drilling.
•【TRI-FLATTED SHANK】 Each unibit step drill bit optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output.
•【WELL PERFORMED 】 The multiple hole drill bit set include 28 size, which can cuts through aluminum , wood board and other surfaces creating relatively clean holes as you drill. Suitable for home DIY, and general building/ engineering use.t slippage and shedding during the rotation.
•【SET INCLUDES】The cone drill bits set includes 3 common sizes for versatility. Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 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"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4". If you are not fully satisfied with the step bit for any reason, please contact us for 100% refund or replacement.

View offer on:

$6.99

Check Price

Milwaukee

Milwaukee 48-89-9212 Step Bit #12 7/8" - 1-3/8"

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Step Bit #12 7/8" - 1-3/8"
•The product is easy to use and easy to handle
•The product is highly durable

View offer on:

$36.00

$40.00

-10%

Check Price

Anfrere

Anfrere 10 Sizes Step Drill Bit for Metal Sheet, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
•Size Includes - 10 Sizes from 1/4 to 1-3/8 inch can fit the majority of brands currently on the market.
•Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
•A Must-Have for Handyman or Professionals - Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal).
•Quick Chip Removal - Double flutes design allows the particles escape easily for a clean drilling operation.

View offer on:

$11.59

Check Price

ss shovan

3PCS Unibit Step Drill Bit Set (1/4"-7/8"), M35 Cobalt, TiAlN Coated for Superior Durability, Spiral Cone Drill for Stainless Steel, Sheet Metal, Aluminum & Plastic

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•VERSATILE 3PCS SET - Includes three step drill bits with varying sizes: #1 (1/4" - 5/16" - 3/8" - 7/16" - 1/2"), #2 (1/4" - 9/32" - 5/16" - 11/32" - 3/8" - 13/32" - 7/16" - 15/32" - 1/2"), and #3 (5/16" - 3/8" - 7/16" - 1/2" - 9/16" - 5/8" - 11/16" - 3/4" - 13/16"- 7/8"). These metal drill bits come in a box so they can be storage well.
•PREMIUM M35 HSS - Constructed from M35 high speed steel with 5% cobalt content, these step drill bits offer exceptional durability and superior cutting performance, even on tough materials like stainless steel (＜1mm).
•IDEAL FOR DIY & PROFESSIONAL USE - Whether you’re a DIY enthusiast or a professional, this step drill bit set is perfect for various applications, including drilling in sheet metal, aluminium, copper, plastic, and more. Not only can it enlarge holes, but it also deburrs, chamfers, and cutting.
•ADVANCED TIALN COATING - The Titanium Aluminium Nitride (TiAlN) coating ensures high hardness and excellent wear resistance, extending the lifespan of the drill bits and maintaining sharpness for longer periods.
•118°X TYPE OPENINGS DESIGN - Designed with a spiral flute for smooth, clean drilling and enhanced chip removal. Achieve precise holes effortlessly, reducing the need for multiple drill bits.
•COMPATIBLE WITH VARIOUS DRILLS - 1/4"(6.35mm) Hex shank design eliminate slipping in drill chuck, these step drill bit for metal are compatible with a range of drilling tools including bench drills press, impact drills, and hand drills, making them a versatile addition to your toolkit.
•KIND TIPS - To prevent overheating and potential damage to the drill bits, always use cutting oil or spraying water during operation. Proper cooling extends the life and efficiency of the bits.

View offer on:

$32.99

Check Price

KLEIN TOOLS

Klein Tools QRST11 Step Drill Bit, Quick Release Spiral Double-Fluted, 7/8 to 1-1/8-Inch, Hex Shank, Cut Steel, Wood, Plastic, Aluminum

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•DURABLE COATING: Step bits are coated with aluminum titanium nitride, providing a durability that is 10 times greater than black oxide, ensuring an extended bit lifespan
•IMPACT RATED: Compatible with both impact drivers and standard drills, providing versatility and reliable performance
•FASTER CUTS: Dual spiral flute design for swift chip removal and quicker cuts and drilling
•CLEAR LASER MARKINGS: Easy-to-read laser markings allow for quick size identification of two hole sizes, enhancing efficiency and accuracy
•PRECISE AND STABLE DRILLING: Fast-starting drill tip prevents walking for precise and stable drilling results
•SECURE QUICK-RELEASE HEX SHANK: 1/4-Inch hex shank with quick-release feature provides a firm, positive grip, preventing spinning in the drill
•MULTIPLE MATERIAL APPLICATIONS: Suitable for steel (up to 16 gauge), wood, plastic, and aluminum, offering versatility and convenience

View offer on:

$29.98

$49.98

-40%

Check Price

📊

📈 How we rank

With our cutting-edge technology, we examine thousands of products and retailers, assessing reviews, ratings, trends, and sales rankings to identify what matters most to users like you.

Our team evaluates this data alongside genuine user feedback, merging AI analysis with human insights to provide you with real-time, highly-rated recommendations that empower your decision-making with clarity and confidence.