WhichOne › DIY store & garden › tool › power drill › drill accessory › drill bit › step drill bit

The best step drill bits in comparison

Guaranteed independent and reliable
Millions of satisfied users every year
Last updated on 16.05.2025

Filter

Sort

Brand:Reduced items only:

Best choice

Blue Spot Tools 32050 Step Drill, Bronze, 4-22 mm

Blue Spot Tools

49% off

show more show less

9,9

Offer ends in:

01Day

14hours

10minutes

44seconds

Check price

Show on Amazon

Features

Precision step drill for clean holes
Multiple step sizes for versatility
Durable construction for long-term use

£ 5.00

£ 7.72

DEWALT DT5030-QZ - Broca cónica para metal Extreme Impact Ø 14-25mm

DEWALT

free shipping

show more show less

9,8

Check price

Show on Amazon

Features

Dewalt accessory
Extremely sturdy, made from one piece
Durable and robust

£ 38.11

£ 40.76

£ 41.40

£ 52.80

STROTON Metric M35 Cobalt Step Drill Bit for Stainless Steel and Hard Metal (4-32mm/15 steps)

STROTON

free shipping

show more show less

9,8

Check price

Show on Amazon

Features

This Cobalt Step Drill Bit is Typically Capable of Running Two to Three Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
Grinding the Cutting Edge Three Times,with the High HRC and Heat Resistance of the Material,Desigh for Cutting through Stainless steel , Iron plate, Aluminum,Ducts,Wood,PVC and Plastic.
4-32mm 15 Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm)

Recommendation

Bosch Accessories 2608597524 4/6/8/10/12/14/16/18/20 mm HSS Step with 1/4-Inch Hex Drill Bits

Bosch

free shipping

show more show less

9,7

Check price

Show on Amazon

Features

EAN 3165140107396

£ 46.93

£ 57.95

OCGIG 6-65mm Large HSS Spiral Groove Step Drill Titanium Coated Bit Hole Cutter

OCGIG

free shipping

show more show less

9,7

Check price

Show on Amazon

Features

Package includes 1 x 6-65mm HSS Groove Step Drill (13 Steps 6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm)
Self starting no need for a pilot hole.Cobalt coated to reduce friction and run at cooler temperature.
Spiral Design Flute spiral blade design makes the cutting faster and smoother, and automatically deburred from the hole when the drill bit is drilled
Application Suitable to cut holes in a variety of material like iron plate, aluminum plate, insulation boards, PVC sheet, ect

3PCS Premium HSS & Cobalt Spiral Step Drill Bit Sets (1/4"-7/8"), TiAlN Coated for Superior Durability, Cone Drill Bit for Sheet Metal, Stainless Steel, Aluminum, Wood, Plastic and DIY Projects

ss shovan

free shipping

show more show less

9,7

Check price

Show on Amazon

Features

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).
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.
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.
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, wood, plastic, and more. Not only can it enlarge holes, but it also deburrs, chamfers, and cutting.

THINKWORK Four Spiral Flute Step Drill Bit Set (Metric), 5 Pcs HSS Step Drill Bits (4mm-35mm) Unibit Step Drill Bit, 6mm and 10mm Shank Step Bits for Aluminum, Wood, Plastic, Metal

THINKWORK

free shipping

show more show less

9,6

Check price

Show on Amazon

Features

ENHANCED DURABILITY Our industrial-grade step drill set is meticulously crafted from high-quality alloy steel and undergoes multiple manufacturing processes. Each drill bit is carefully inspected at the factory to ensure superior quality and longevity.
VERSATILE DRILLING CAPABILITY With its powerful drilling capability, our step drill is suitable for piercing holes in various materials, including thin metal, copper, aluminum, iron, carbon steel, wood, and plastic. It's an essential addition to any DIY enthusiast's toolbox and can be utilized for a wide range of household projects.
5PCS NITRIDING STEP BIT KIT Our 5-piece nitriding step bits set includes a range of sizes to cater to various drilling needs. The set comprises step bits with diameters of 4mm-12mm (5 steps), 4mm-12mm (9 steps), 4mm-22mm (10steps), 6mm-18mm (7 steps), and 6mm-35mm (4 Popular steps). All these bits come in a sturdy blow molded case for easy storage and transport.
USER-FRIENDLY DESIGN Our step drill bits feature laser-engraved step sizes, ensuring clear visibility and eliminating concerns about wear and tear during use. This design element enhances convenience and accuracy, making the drilling process easier and more efficient.
DEDICATED CUSTOMER SERVICE While our products undergo stringent quality inspections, unforeseen issues caused by accidental factors may occur. In such cases, we are committed to providing professional customer service. If you encounter any quality problems, please contact us via Amazon, and we will promptly replace the defective item with a new one.

Milwaukee Electric Tool 48-89-9209 Electric Step Drill Bit, No 9, Silver metallic

Milwaukee

free shipping

show more show less

9,6

Check price

Show on Amazon

Features

Optimized For Cordless Drills In High Speed,
International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

ITEMPESTI M35 cobalt step drill, Ø 4-32mm, TiAlN coated, robust and high temperature resistant, suitable for metal, stainless steel, plastic, wood

ITEMPESTI

free shipping

9,3

Check price

Show on Amazon

Flintronic Step Drill Bit Set, 5PCS(4-12mm, 3-13mm, 3-19mm, 5-22mm, 8-35mm), 1 Automatic Center Punch + 1 Twist Drill Bit, HSS Titanium Coated Double Slot Cone Cutting Drill with Pouch Case

flintronic

show more show less

9,3

Check price

Show on Amazon

Features

WHAT YOU GET 1 x Aluminum Case, 1 x 4-12mm, 1 x 3-13mm, 1 x 3-19mm, 1 x 5-22mm, 8-35mm Step Drills, 1 x Automatic Center Punch and 1 x Twist Drill Bit.
HSS & TITANIUM COATING High speed steel makes the step drill set more durable, titanium coating ensure to easily cut through steel sheets , aluminum sheets, copper & plastic & wood board and many other types of sheet metal.
DOUBLE CUTTING BLADES & THREE-SIDED SHANK Double cutting blades and X-type opening design ensure a faster and smoother cutting; The 3-sided shank design can prevent drill chuck sliping; With the smaller pressure, the sets can cut through the wood, sheet metal, steel and other surfaces.
TIME SAVER Covering assorted step sizes helps to drill or enlarge different holes in one bit without changing bit constantly.The size is laser etched into the metal, so it can be accurately drilled and will not wear even if it is used for a long time.

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these step drill bits.

Step Drill Bit #15 Double Fluted 7/8 To 1-3/8-Inch KLEIN TOOLS KTSB15,Black

Two flutes cut faster and keep bit cooler

free shipping

Check price

EZARC 3-flute Step Drill C-shape Cutting Edge European Standard 4-32mm 15 Sections

C-Profile Design EZARC Step Drill Bits feature a triple-flute design for enhanced stability, effectively addressing issues of deviation during the cutting process. Additionally, 'C-profile' cutting edge ensure smoother cutting and 2X increase in cutting speed.

free shipping

Check price

Step Drill Bit HSS Titanium Step Drill Bit For Metal Multiple Hole Drilling Cone Drill Bit Stepped Up Bits For DIY Lovers (5-35MM Step Bit)

YOKOCUT step drill bits are 100% genuine HSS 4241. 100% Satisfaction Guarantee Every YOKOCUT product includes 60days money-back & 24-month warranty and a friendly customer service.

Check price

Sealey AK4746 HSS 4341 Step Drill Bit Set 3pc Double Flute

Double straight flutes for efficient swarf clearance

free shipping

Check price

toolant Four Spiral Flute Cobalt Step Drill Bit(Pro Max), 4-12mm Impact Ready Four Spiral Flutes Unibit Step Bit, 6mm Hex Shank Unibit for Metal, Stainless Steel, Aluminum, Wood, Plastic

ALUMINUM TITANIUM NITRIDE COATING - With 35 Gigapascal(GPa) Nano Hardness harder materials can be cut and higher cutting speeds can be achieved.

Check price

UK Drills HSS Step Drill Bits Set Titanium Coated 3pc 3-20mm for Drilling on Hard Metal, Stainless Steel, Cast Iron

SIZE 3 pc 3-20mm Bits. Step Drill Bit

Check price

NUTTDOO 3pcs HSS Step Drill Bit Set, 4-12mm, 4-20mm, 4-32mm for DIY Plastic Wood Metal

3 SIZES DRILL BITS SET INCLUDES 5 steps 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm); 9 steps 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); 15 steps 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm)

Check price

Spiral Grooved Step Drill Bit Set, High Speed Steel Titanium Coated, 4mm to 12/20/32 mm (5/32" to 5/4") Hex Shank Metric, HSS Cut Tool Set for DIY Plastic Wood Metal Aluminum Copper

Application Suitable for sheet metal, sink, car repair, etc. Widely used to cut holes in a variety of material like plate, aluminum, insulation board, PVC board, the thickness of wood within 5mm.

Check price

6 Pcs Titanium Coated Drill Bit Set, Including 3 Sizes of Step and Twist Drill Bits for Metalworking, Woodworking, Hole Drilling

Multi-Purpose Great tools for drilling holes in soft metal, wood, plastic, etc.

Check price

Malayas 5PCS Large High Speed Steel Cobalt Multiple Hole 50 Sizes Step Drill Bit Set for Cutting Holes in Steel, Aluminum, Copper, Stainless Steel, Brass, Plexiglass, Wood and Laminates

Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck

Check price

Large Step Drill Bit, CYLBAQ HSS Spiral Step Drill Bits For Metal,Titanium High Speed Steel 6-60MM Step Cone Cutter Multiple Hole Drilling Cone Drill Bit Stepped Up Bits For DIY Lovers

Material HSS 4241 High hardness Material Titanium, rustproof.

free shipping

Check price

Gunpla 3 Piece HSS Spiral Step Drill Bits Set, Titanium Coated Hex Shank Drilling Bit Kit for Wood, Stainless Steel, Iron Plate, Aluminum, PVC Board 4mm to 32mm

Gunpla spiral core drill bit are made from high speed steel and are coated with titanium with a golden color. These steps drill bits are produced extremely durable for convenience.

Check price

The best step drill bits in comparison

Guaranteed independent and reliable

Features

Features

Features

Features

Features

Features

Features

Features

Features

You might also be interested in these step drill bits.

Our offer