Top 10 Best step drill bit for metal in 2026

Last Updated - 6/8/2026

🏆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

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$20.89

$32.99

-37%

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IRONANT

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

9.7

ChoiceComparer.com Score

9.7

/ 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 & Spiral Dual-flute Design: increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape more 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 or any other harder metal)
•Equipped with a well-organized case, make it more convenient for using and storing the step drills

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$23.74

$27.99

-15%

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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

9.5

ChoiceComparer.com Score

9.5

/ 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).

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$13.71

$16.99

-19%

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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

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

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).

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$9.99

$10.99

-9%

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ZELCAN

ZELCAN Step Drill Bit Set, 5PCS Four Spiral Flute Step Bits for Metal, 50 Sizes Titanium-Coated HSS Drill Bits with 1/4" Hex Shank for Stainless Steel Aluminum Wood Plastic

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Handle Drilling Tasks with Ease: With four sharp cutting blades, ZELCAN's step drill bit set ensures swift, smooth drilling, effortlessly cutting through steel, aluminum, copper, and other tough materials like a hot knife through butter!
•Titanium-Coated HSS Build: Crafted from robust high-speed steel with a titanium coating, our drill bits ensure superior hardness for faster cutting through harder materials while withstanding high temperatures and cutting forces, ensuring lasting performance.
•50 Sizes Comprehensive Drill Bit Set: Our 5-piece step bit set caters to diverse drilling needs, with diameters ranging from 3/16" to 1/2" (6 steps), 1/8" to 1/2" (13 steps), 1/4" to 3/4" (9 steps), 3/16" to 7/8" (12 steps), and 1/4" to 1-3/8" (10 steps).
•Quick Release & Tapered Edge Design: The 1/4" hex shank and quick-release slot ensure secure connections and easy changes. The four-spiral flute design effectively evacuates chips from the hole, reducing the likelihood of clogging and improving drilling efficiency.
•Easy Organization & Identification: Our step drill bits for metal come with a handy storage case, ensuring effortless organization and portability for all your drilling tasks. Clear size markings on each bit allow for quick identification.

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$32.99

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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 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.

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$6.99

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COMOWARE

COMOWARE Step Drill Bit for Metal, Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Drill Bit, Total 10 Sizes from 1/4” to 1-3/8", for Steel Sheets Aluminum Copper Plastic Wood

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•HSS step drill with Titanium Coating – High-speed steel material ensures a longer service life.This unibit step drill bit features advanced heat/corrosion/rust resistant coating, specially engineered for demanding metal drilling applications.
•Multi-Material Performance – This step drill bit set effortlessly drills through steel sheets, aluminum, wood, and plastic with clean holes. The step bits are perfect for DIY home projects and professional building/engineering applications.
•Two Straight Flutes stepped drill bit - The dual-flute design ensures faster chip removal and cleaner holes. This step drill bits for metal provides smoother cutting while efficiently evacuating chips for peak drilling performance.
•Tri-Flatted Shank Step Bit Set - These professional step drill bits feature 3 precision-flatted shanks for maximum grip, eliminating slippage under high torque. The enhanced design ensures secure clamping in pistol drills.
•Size Includes - This metal step drill bit drills 10+ sizes (1/4" to 1-3/8") without bit changes—laser-etched markings on the unibit allow instant size identification for precision metalworking.

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$9.99

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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.

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$11.59

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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

8.6

ChoiceComparer.com Score

8.6

/ 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

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$29.98

$49.98

-40%

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HLOFIZI

HLOFIZI 2mm M2 Drill Bits (6 Pack), Metric High Speed Steel Drill Bits for Metal, Stainless Steel and Hard Wood

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•2mm M2 high speed steel twist drill bits, 6-piece. Ideal for drilling metal, stainless steel, aluminum and hard wood
•UP to 3X Longer Life: Made of M2 high speed steel, provide extreme durability and resisting breakage. Black flute coating for high-heat resistant and rust protection
•Efficiently and Clean: Fully ground technology for PRECEISION and FAST drilling clean, burr-free holes
•Prevent Walking: 135 Degrees split point for precision start NO WALKING, and stays sharper longer than your standard drill bit
•Optimized Flute Design: Fast chip removal. Comes with straight shank. Size markings on the shank for identifying sizes quickly

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$7.99

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