Best Straight Step Bits of 2026

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 5 Feb 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Straight step bits are a type of drill bits that are designed to make clean and precise holes in various materials such as metal, wood, and plastic. These bits are characterised by their stepped design, which allows them to drill holes of different sizes without the need for changing bits. Straight step bits are ideal for a range of applications including electrical and plumbing work, metal fabrication, and woodworking. They are a must-have for anyone who needs to drill holes of different sizes with ease and precision.

At a Glance: Our Top Picks

Step Drill Bit HSS Titanium Step Drill Bit Cover #TOP 1
Step Drill Bit HSS Titanium Step Drill Bit
ftb score rating icon 9.9
Jerax Tools M2 HSS Step Drill Bit Cover #TOP 2
Jerax Tools M2 HSS Step Drill Bit
ftb score rating icon 9.8
HSEAMALL M35 Cobalt Step Drill, Diameter 4-32 mm, HSS Cobalt Alloy Cone Drill Bit Multiple Hole Cutter Professional Straight Flute Drill Cover #TOP 3
HSEAMALL M35 Cobalt Step Drill, Diameter 4-32 mm, HSS Cobalt Alloy Cone Drill Bit Multiple Hole Cutter Professional Straight Flute Drill
ftb score rating icon 9.6

Top 10 Straight Step Bits

#TOP 1

Step Drill Bit HSS Titanium Step Drill Bit

YOKOCUT
UK13010004-UK13020004
Step Drill Bit HSS Titanium Step Drill Bit Cover
Step Drill Bit HSS Titanium Step Drill Bit For Metal Multiple Hole Drilling Cone Drill Bit Stepped Up Bits For DIY Lovers (3-Piece With Center Punch) (4PCS Straight Flute Step Bits Set)

Features
Perfect Step Drill Bits Suitable For Drill Holes In Various Material: Within 3mm/0.12 Inch (Iron Plate, Copper Plate, Aluminum Plate); Within 5mm/0.2 Inch (Wood, PVC Sheet, Insulation Boards). Not Suitable For Hard And Brittle Materials Such As Stainless Steel, Glass, Tile Floors, Walls Etc.
YOKOCUT Step Drill Bits Are 100% Genuine HSS 4241. 100% Satisfaction Guarantee: Every CORTOOL Product Includes 60days Money-Back & 24-Month Warranty And A Friendly Customer Service.
Two-Flute Design For Smoother Cutting. High Step Design Let You Feel The Stop And Never Drill Bigger In Mistake.
HSS Combined With A Titanium Coating. More Capable And Durable.
3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ) + 1 Automatic Center Punch. 1/4" Hex Shaft Drives Are Suitable For All Kinds Of For Home DIY Power Drills.
#TOP 2

Jerax Tools M2 HSS Step Drill Bit

Jerax tools
STG7/8
Jerax Tools M2 HSS Step Drill Bit Cover
Jerax tools Step Drill Bit Straight Grooved Double Fluted 3/16 to 7/8 Inch, M2 High speed steel drill bits for hole drilling in Stainless steel, Plastic, Unibit with highlighted steps and size marks

The Jerax Tools Step Bit is designed for efficiency and precision. Its M2 high-speed steel construction allows you to create cleaner holes with ease, thanks to enhanced durability from additional tungsten and molybdenum. The polished steps and highlighted sizes mean you won’t need to stop drilling to check your progress, saving you valuable time. With its capability to cut through various materials, including stainless steel and plastic, you can tackle a range of projects effectively. Enjoy a quick and hassle-free drilling experience with this versatile tool.

What We Like
Durable M2 high-speed steel
Polished steps for easy visibility
Multi-size functionality
Quick and clean drilling
Versatile for multiple materials
#TOP 3

HSEAMALL M35 Cobalt Step Drill, Diameter 4-32 mm, HSS Cobalt Alloy Cone Drill Bit Multiple Hole Cutter Professional Straight Flute Drill

SUP63
Gold
HSEAMALL M35 Cobalt Step Drill, Diameter 4-32 mm, HSS Cobalt Alloy Cone Drill Bit Multiple Hole Cutter Professional Straight Flute Drill Cover
HSEAMALL M35 Cobalt Step Drill, Diameter 4-32 mm, HSS Cobalt Alloy Cone Drill Bit Multiple Hole Cutter Professional Straight Flute Drill for Stainless Steel, Metal, Wood, Plastic

Features
Durable Construction:Straight Flute Step Drill Bits Are Made Of HSS With Cobalt, And The Addition Of Cobalt Element Makes The Drill Bits Have Excellent Wear Resistance. Crafted From High-Speed Steel (HSS) Cobalt Alloy, This Drill Boasts Superior Wear And Heat Resistance For Longevity.
Versatile: This M35 Cobalt Step Drill Is Suitable For Drilling Holes In 304 Stainless Steel, Metal, Wood, And Plastic Materials.
Stainless Steel Buster: Designed To Handle Materials With High Hardness, Such As Steel Plate, Aluminium Plate, 45# Steel And Thin 304 Stainless Steel. Thickness Of Stainless Steel Under 1mm And Thin Materials Such As Iron Plate And Aluminium Plate Under 5mm Are Processed, Also Suitable For Wood And Plastic, Ensuring Smooth And Unobstructed Drilling Process And Reducing Material Waste.
Precise Drilling: With A Diameter Range Of 4-32 Mm, This Step Drill Allows For Accurate And Controlled Hole Sizing. Provide A Variety Of Cutting Edge Diameter Options (including 4/6/8/10/12/14/16/18/20/22/24/26/28/30/32mm) From 4mm To 32mm With A Total Of 15 Steps To Meet The Needs Of Different Hole Diameters. It Is Suitable For Both Handheld Drills For Home DIY Or Small-Scale Repair Work, As Well As Bench Drills For More Professional Processing Tasks.
Efficient Design: The Straight Flute Design Ensures Efficient Chip Removal During The Drilling Process.the HSS CO Drills Are Able To Cut Into The Material Faster During The Cutting Process, Reducing Cutting Resistance And Vibration, Thus Improving The Drilling Efficiency And Accuracy.
#TOP 4

3PCS High Speed Steel Step Drill Bit Set

20210928HBJ15
Gold
11x8x2CM
3PCS High Speed Steel Step Drill Bit Set Cover
3PCS Step Drill Bit Set High Speed Steel Titanium Coated Cone Drill Bits Hole Cutter Power Tools for DIY Plastic Wood Metal

The HBYMYDA Step Drill Bits set is crafted from high speed steel with a titanium coating, reducing friction and heat for enhanced durability. This design ensures smoother operation and quicker chip removal, allowing you to work more efficiently. The ladder cutting design further accelerates cutting speed and prevents slippage, saving you both time and energy. With three different sizes, you can easily tackle various diameter holes in materials like wood, plastic, and metal, making it a versatile addition to your toolkit.

What We Like
High speed steel construction
Titanium coating reduces friction
Prevents slippage during operation
Suitable for multiple materials
Includes three different sizes
#TOP 5

NEIKO 10182A Titanium Step Drill Bit

10182A
Straight
NEIKO 10182A Titanium Step Drill Bit Cover
NEIKO 10182A Titanium Step Drill Bit, High-Speed Alloy-Steel Bit, Hole Expander for Wood and Metal, 13 Step Sizes from 1/8 Inch to 1/2 Inch

Features
VERSATILE DRILL BIT: This Multifunctional Spiral Drill Bit Fits Securely In Most Pistol Drills, Drill Presses, Or Other Hand Power Tools. Use This Versatile Small Cone-Shaped Drill Bit For Metal And Wood Projects At Work Or Home.
HIGH-QUALITY DRILL BIT: Our Titanium Drill Bit Is Made With #4241 High-Speed Alloy Steel And Has A Titanium Nitride Coating For Extra Durability. The 2-Flute Design Makes This Bit A Fast And Long-Lasting Metal Cutting Tool.
MULTISIZE DRILL BIT: This Hole Drill Bit Can Drill Holes In 13 Different 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", And 1/2".
HEAVY-DUTY DRILL BIT: Our Multifunction Drill Bit Is Created To Work With Any Project, Large Or Small. You Can Use It To Drill New Holes Or Enlarge Existing Ones Without Having To Change Drill Bits. Get Your Work Done With Confidence And Speed!
DRILL BIT FOR HARDENED STEEL: Use This Steel Drill Bit For Drilling Steel, Wood, And Other Thick Metal. It Has A 135-Degree Split-Point Tip And Features A 2-Fluted Spiral Design That Automatically Deburrs And Expands Holes For A Cleaner Drilling Process.

Gunpla 3 Piece Titanium Coated Drill Bits Set

#030122
3 Piece
Gunpla 3 Piece Titanium Coated Drill Bits Set Cover
Gunpla 3 Piece HSS Step Drill Bits Set, Titanium Coated Hex Shank Drilling Bit Kit for Wood, Stainless Steel, Iron Plate, Aluminum, PVC Board 4mm to 32mm

The Gunpla Step Drill Bits set features high-speed steel bits coated with titanium, ensuring durability and longevity. The three spiral step drill bits allow for faster and smoother cutting, making your drilling tasks more efficient. With a hex shank, these bits offer versatility across various materials, from wood to metal. Additionally, the two-flute design helps automatically deburr holes, providing cleaner results and preventing any wandering during use, so you can work with precision and ease.

What We Like
Durable titanium coating
Fast, smooth cutting
Versatile for multiple materials
Automatically deburrs holes

YOKOCUT HSS Titanium Step Drill Bit Set

YOKOCUT
UK13010004-UK13020004
YOKOCUT HSS Titanium Step Drill Bit Set Cover
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)

The YOKOCUT Step Drill Bit is crafted from 100% genuine HSS 4241, ensuring durability and reliability for your drilling tasks. Its titanium coating enhances its performance, making it more capable in various materials. You will find the two-flute design beneficial for smoother cutting, which allows for cleaner holes. Additionally, the high step design prevents accidental drilling to larger sizes, giving you precise control over your project.

What We Like
Durable HSS 4241 material
Titanium coating for enhanced performance
Smoother cutting with two-flute design
Prevents accidental oversizing
#TOP 8

NEIKO 10194A Titanium Step Drill Bit for Wood and Metal

10194A
Titanium
Straight
NEIKO 10194A Titanium Step Drill Bit for Wood and Metal Cover
NEIKO 10194A Titanium Step Drill Bit, High-Speed Alloy-Steel Bit, Hole Expander for Wood and Metal, 10 Step Sizes from 1/4 Inch to 1 3/8 Inches

The NEIKO 10194A Drill Bit is crafted from high-speed alloy steel and features a durable titanium nitride coating, making it an excellent choice for metal cutting tasks. Its versatile design fits most drills, allowing you to tackle both wood and metal projects with ease. The 135-degree split-point tip and 2-flute spiral design ensure clean and efficient drilling, automatically deburring and expanding holes. With ten different sizes clearly engraved on the bit, you can easily select the right size for your project, enhancing convenience and efficiency.

What We Like
Durable titanium nitride coating
Fits most drill types
Efficient hole expansion
Ten sizes for versatility
#TOP 9

Vearter 4-32mm Cobalt Step Drill Bit

BTZ-M35-BK3-4-32
4-32mm
Vearter 4-32mm Cobalt Step Drill Bit Cover
Vearter 4-32mm Cobalt Step Drill Bit for Metal, M35 HSS 15 Steps Cone Cutter, Spiral Flute Triangular Shank Hole Cutter Drill Bit for Stainless Steel, Metal Sheet, Aluminium, Plastic, Wood

Features
TiAIN Coated: The Hole Drill Bit's TiAIN Coating Makes It More Heat-Resistant And Wear-Resistant, With A Lifespan Twice That Of Other Drill Bits
Various Sizes: The Cone Drill Bit Is Compatible With 15 Sizes - 4 Mm, 6 Mm, 8 Mm, 10 Mm, 12 Mm, 14 Mm, 16 Mm, 18 Mm, 20 Mm, 22 Mm, 24 Mm, 26 Mm, 28 Mm, 30 Mm, 32 Mm. Meet Your Different Needs And Greatly Save You The Trouble Of Choosing Different Unibits
Safe Use: The Triangular Shank Enhances Safety And Stability By Securely Fastening The Drill Hole Cutter To Hand Drills, Bench Drill Presses, And Magnetic Drills, Preventing Any Instances Of Falling Off Or Slipping During Rotation
Revolutionary Design: The Three Fluted Design Of This Cone Cutter Drill Bit Enables Smoother Cutting And Faster Chip Evacuation, Effectively Removing Burrs, Chips, Dust And Other Debris. This Design Helps Prevent Chips From Flying And Enables Smoother Drilling Without Generating Heat
A Must-Have For Handymen And Professionals: The Spiral Grooved Stepped Drill Bit Cuts More Smoothly Than Straight Grooved Ones, Making It Easy To Drill Perfect Holes In Various Materials Such As Stainless Steel, Metal Sheet, Aluminium, Acrylic Sheet, Plastic And Wood
#TOP 10

Sealey AK4744 HSS Step Drill Bit 4-22mm

AK4744
Silver
4 - 22 mm
Sealey AK4744 HSS Step Drill Bit 4-22mm Cover
Sealey AK4744 HSS 4341 Step Drill Bit 4-22mm Double Flute, Silver

The Sealey AK4744 Step Drill Bit offers a high-speed HSS 4341 design with double straight flutes, ensuring efficient swarf clearance. This feature is particularly beneficial as it helps to prevent clogging, allowing for smooth and precise drilling. With hole sizes ranging from 4 to 22 mm in 2 mm increments, you can easily achieve the exact size needed for your project. Supplied in a practical plastic storage case, this drill bit is convenient to store and transport, making it an ideal choice for both DIY enthusiasts and professionals alike.

What We Like
Efficient swarf clearance
Clog-free precision drilling
Multiple hole sizes available
Convenient storage case included
Buying Guide Image
Editor's Notes

During our straight step bit research, we found 47 straight step bit products and shortlisted 10 quality products. We collected and analyzed 29,942 customer reviews through our big data system to write the straight step bits list. We found that most customers choose straight step bits with an average price of £13.80.

The straight step bits are available for purchase. We have researched hundreds of brands and picked the top brands of straight step bits, including YOKOCUT, Jerax tools, HSEAMALL, HBYMYDA, Neiko.

Written by
Jennifer Fraser Avatar

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.