Best Neiko Step Drill Bits in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Neiko Step Drill Bits

Klein Tools KTSB03 Step Drill Bit Double Fluted #3, 1/4 to 3/4-Inch with Easy-to-Read Markings and Targets, 3/8-Inch Hex Shank
#TOP1
Klein Tools Ktsb03 Step Drill Bit Double Fluted
9.8
PM SCORE
Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank
#TOP2
Klein Tools Ktsb15 Step Drill Bit #15 Double
9.8
PM SCORE
IRWIN Step Drill Bit, 3/16-Inch to 7/8-Inch, Cobalt Alloy Steel, 3/8-Inch Shank (10234CB)
#TOP3
Irwin Step Drill Bit, 3/16-Inch To 7/8-Inch, Cobalt
9.7
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Neiko Step Drill Bits of 2026

Market Overview
Neiko Step Drill Bits Reviewed
  • Reviews Analyzed: 5344 Items
  • PM Avg. Rating: 4.3 / 10
16 Products Evaluated
  • Highest Price: $286.82
  • Lowest Price: $7.88
  • Avg. Price: $52.72

Klein Tools Ktsb03 Step Drill Bit Double Fluted #3, 1/4 To 3/4-Inch With Easy-To-Read Markings And Targets, 3/8-Inch Hex Shank

KLEIN TOOLS
KTSB03
5.30 X 3.40 X 0.20 Inches
0.15 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Two flutes on this Step Drill Bit cut faster and keep bit cooler

Fast-starting, non-walking drill tip

High-visibility silver targets for primary hole sizes

Thick 3/8-Inch hex shank won't round out in the drill chuck for a more positive grip

9 hole sizes

Made from high speed steel

1/16-Inch increments

Klein Tools Ktsb15 Step Drill Bit #15 Double Fluted 7/8 To 1-3/8-Inch With Easy-To-Read Step Markings And Targets, 3/8-Inch Hex Shank

KLEIN TOOLS
KTSB15
5.20 X 3.40 X 0.70 Inches
0.43 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Two flutes on this Step Drill Bit cut faster and keep bit cooler

Fast-starting, non-walking drill tip

High-visibility silver targets for primary hole sizes

Thick 3/8-Inch hex shank won't round out in the drill chuck for a more positive grip

3 hole sizes

Irwin Step Drill Bit, 3/16-Inch To 7/8-Inch, Cobalt Alloy Steel, 3/8-Inch Shank (10234Cb)

IRWIN TOOLS
10234CB
3.00 X 1.30 X 6.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Cobalt Alloy Steel high speed steel for extended cutting edge life makes it ideal for drilling stainless steel

Drills 12 different hole sizes, from 3/16" to 7/8" by 16ths

SpeedPoint tip prevents "walking," gets fast starts, and eliminates the need for pilot/starting hole

Single-flute cutting edge drills true round holes with smooth, clean finish

Irwin Step Drill Bit, 1/8-Inch To 1/2-Inch Step, 1/4-Inch Shank (10231) Silver|Silver Metallic

IRWIN TOOLS
10231
3.10 X 0.80 X 6.10 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

STEP DRILL #1 1/8-1/2" 13 SZ

STEP DRILL #1 1/8-1/2" 13 SZ

STEP DRILL #1 1/8-1/2" 13 SZ

STEP DRILL #1 1/8-1/2" 13 SZ

STEP DRILL #1 1/8-1/2" 13 SZ

Save time because you don't need to change drills for different-sized round holes in thin materials. Each drill acts as a pilot for the next size.

Patented single-flute cutting edge gives greater control through steps and a true round hole every time.

Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.

SpeedPoint tip penetrates faster than previous Unibits and prevents walking. 3-faltted hex shank prevents slipping in drill chuck.

Drill diameters etched in flute for easy identification.

#TOP5

Greenlee 36022 Step Bit, Hole Sizes Iso-16 Through Iso-32

GREENLEE
36022
10.00 X 10.00 X 12.00 Inches
0.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon Global Store UK 0.00

Features

Cut up through 3/8-Inch mild steel, copper, brass, aluminum, wood, plastic and laminates

Hole sizes from ISO-16 through ISO-32

Balanced, double-flute construction requires less pressure, does the work for you

Made from hardened high-speed steel vs carbon steel for longer life

Resists walking or skidding, even on round surfaces

Segomo Tools 230 Piece 135 Degree High Speed Drill Bits | Drill Bit Set | Drill Bit Set Organizer | Titanium Twist Drill Bit Set | Set Hss Titanium Coated Drill Bit - Db230

SEGOMO TOOLS
DB230
10.20 X 9.10 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Industrial Tool Supplies 9.62

Features

[ Use The Drill Bits Longer ] Every Twist Drill Bit has classic High Speed Steel (HSS) construction with a titanium coating that provides ultimate durability and longer drill bit service life through multiple uses without deformation.

[ Drill Precise Holes] The cutting edge of each titanium drilll bit is hardened and honed for sharpness. It also features a chatter-free design with staggered cutting teeth to ensure precise countersinking and clean, smooth holes.

[ Have Every Size You Need ] This universal drill bit set covers sizes: 28 x 3/64", 27 x 5/64", 20 x 1/8", 10 x 5/32", 12 x 3/16", 8 x 15/64", 8 x 9/32", 3 x 5/16", 2 x 23/64", 1 x 1/2", 27 x 1/16", 27 x 3/32", 20 x 9/64", 10 x 11/64", 10 x 7/32", 12 x 1/4", 2 x 19/64", 2 x 21/64", 1 x 3/8".

[ Increase Your Speed of Drilling ] Every piece of this hard steel drill bit set has precision 135 degree split point and twist design with gold oxide finish and round straight shanks that increase the cutting speed. Each steel drill bit has easy self centering that prevents walking.

[ Drill In Different Materials ] This Drill Bit Set is suitable for a bench drill, conventional electric drill and hand drill and ideal for wood, carbon steel, sheet steel, fiberboard, rubber, plywood, PVC, plastic etc.

Makita 711494-A High Speed Steel Step Drill Bit, 1/4-To-1-1/8-Inch

MAKITA
711494-A
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Drills perfectly round holes in materials such as steel, brass, plastic and wood

Ideal for knockouts in electrical junction boxes and cabinets

Efficiently enlarges and deburs holes

General purpose

Ivy Classic 09020 8-Hole Enlarging Step Drill Bit, 9/16-1", 1/16" Increments, 1/Card

IVY CLASSIC
09020
2.25 X 1.00 X 1.00 Inches
0.23 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Intool 8.81

Features

M2 high-speed steel drills produce perfectly round, burr-free holes. Precision ground with a bright finish, Premium Swift Bore (Registered Trademark)

For drilling metal, wood and plastic in up to 1/8-inch thick material. Sizes laser-etched on bit for easy hole size identification

1/2-inch Tri-lobe shank won't slip in the drill chuck and the cone shape of the bit adds strength preventing bit flexing while drilling

For hole enlarging (requires pilot hole). Use together with IVY Classic 09001 step drill for diameters 1/8 - 1-inch. These bits drill 99% of common diameters

8 Hole Sizes: 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1-inch, Max Material Thickness: 1/8-inch, Shank: 1/2-inch tri-lobe

Aexit Gold Tone Metalworking & Multipurpose Drill Bits Round Shank Spiral Flute 9 Step Drill Step Drill Bits Bit 4-20Mm

AEXIT
F190413AE033372
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aexit 8.62

Features

Product Name : Step Drill Bit;Material : Metal

Color : GoldTone;Shank Size : 8 x22mm/ 0.3" x 0.87"( D*T )

Cutting Dia : 4-20mm/ 0.16"-0.8";Total Length : 73.5mm/ 2.9"

Weight : 50g

Package Content : 1 x Step Drill Bit

Aexit Gold Tone Metalworking & Multipurpose Drill Bits Round Shank Titanium Coated 5 Step Drill Step Drill Bits Bit 4-12Mm

AEXIT
F190413AE033361
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aexit 8.52

Features

Product Name : Step Drill Bit;Material : Metal

Color : GoldTone;Shank Size : 6 x 21mm/ 0.24" x 0.83"( D*T )

Cutting Dia : 4-12mm/ 0.16"-0.5";Total Length : 63.5mm/ 2.5"

Weight : 21g

Package Content : 1 x Step Drill Bit 1 x Plastic Case

Aexit Gold Tone Metalworking & Multipurpose Drill Bits Round Shank Spiral Flute 5 Step Drill Step Drill Bits Bit 4-12Mm

AEXIT
F190412AE035655
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aexit 8.52

Features

Product Name : Step Drill Bit;Material : Metal

Color : GoldTone;Shank Size : 6 x 22mm/ 0.24" x 0.87"( D*T )

Cutting Dia : 4-12mm/ 0.16"-0.5";Total Length : 65mm/ 2.55"

Weight : 20g

Package Content : 1 x Step Drill Bit

Klein Tools Ktsb15 Step Drill Bit 15 Double Fluted 7/8 To 1-3/8-Inch With Easy-To-Read Step Markings And Targets, 3/8-Inch Hex Shank & Forney 20857 Tap Magic Industrial Pro Cutting Fluid, 4 Oz

KLEIN TOOLS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Product 1: Two flutes on this Step Drill Bit cut faster and keep bit cooler

Product 1: Fast-starting, non-walking drill tip

Product 1: High-visibility silver targets for primary hole sizes

Product 1: Thick 3/8-Inch hex shank won't round out in the drill chuck for a more positive grip

Product 2: Non-Spray cutting fluid

Product 2: Use for tapping, threading, drilling and reaming

Product 2: Use on ferrous metals and non-ferrous alloys

Product 2: Apply directly on the work surface

Aexit Gold Tone Metalworking & Multipurpose Drill Bits Round Shank Titanium Coated 9 Step Drill Step Drill Bits Bit 4-20Mm

AEXIT
F190412AE035647
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aexit 8.52

Features

Product Name : Step Drill Bit;Material : Metal

Color : GoldTone;Shank Size : 8 x 22mm/ 0.3" x 0.87"( D*T )

Step Quantity : 9;Cutting Dia : 4-20mm/ 0.16"-0.8"

Total Length : 74mm/ 2.9";Weight : 55g

Package Content : 1 x Step Drill Bit1 x Plastic Case

Chicago Latrobe Slt High-Speed Steel Jobber Length Subland And Chamfer Drill Bit, Uncoated (Bright) Finish, Round Shank, 118 Degree Conventional Point, 0.4219" Size

CHICAGO LATROBE
68511
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Xcess Limited 9.86

Features

Drill and chamfer holes prior to tapping

Manufactured from premium high-speed steel

118 degree point angle, 90 degree step angle

Double-margin drills available in selected sizes for improved concentricity, tighter hole tolerance, and better hole finish, eliminating some reaming operations

Available in screw machine length and jobber length styles

Aexit Gold Tone Metalworking & Multipurpose Drill Bits Round Shank Titanium Coated 7 Step Drill Step Drill Bits Bit 6-18Mm

AEXIT
F190412AE035672
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aexit 8.62

Features

Product Name : Step Drill Bit;Material : Metal

Color : GoldTone;Shank Size : 10 x 24mm/ 0.4" x 1"( D*T )

Step Quantity : 7;Cutting Dia : 6-18mm/ 0.24"-0.7"

Total Length : 60mm/ 2.4";Weight : 54g

Package Content : 1 x Step Drill Bit1 x Plastic Case

Aexit Silver Tone Metalworking & Multipurpose Drill Bits Round Shank Titanium Coated 7 Step Drill Step Drill Bits Bit 6-18Mm

AEXIT
F190412AE035640
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aexit 8.62

Features

Product Name : Step Drill Bit;Material : Metal

Color : Silver Tone;Shank Size : 10 x 24mm/ 0.4" x 1"( D*T )

Step Quantity : 7;Cutting Dia : 6-18mm/ 0.24"-0.7"

Total Length : 61mm/ 2.4";Weight : 45g

Package Content : 1 x Step Drill Bit1 x Plastic Case

Top 10 step drill bits Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Aexit 6
Klein Tools 3
Irwin Tools 2
Chicago Latrobe 1
Greenlee 1
Ivy Classic 1
Makita 1
Segomo Tools 1

Top 10 step drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 5,344 reviews on step drill bits, using our selection criteria to identify the best options in the cutting tools. Our findings reveal that most customers typically select step drill bits priced around $52.72, with top brands including augtouf, toolant, comoware, rocaris, denali, amazon basics, co-z, dewalt and zelcan and gmtools

Our team of expert editors reviewed these high-quality items and handpicked the top 16 step drill bits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the cutting tools category. These include augtouf us, toolant, tg tools, rocaris direct, amazon.com, banyan imports, zelcan, gmtools us ii and motrent and ironant .

We are dedicated to assisting our users in finding the right bits Products based on their needs, saving them considerable time when choosing which step drill bits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.