Best Inch Twist Drill Bits in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Inch Twist Drill Bits

BOSCH 91-Piece Drilling and Driving Mixed Set MS4091
#TOP1
Bosch 91-Piece Drilling And Driving Mixed Set Ms4091
9.9
PM SCORE
Bosch Professional 2608577351 19-Piece PointTeQ HSS Twist Bit Set (for Metal, ProBox, Drill Driver Accessories), 1,0–10,0 mm
#TOP2
Bosch Professional 2608577351 19-Piece Pointteq Hss Twist Bit
9.8
PM SCORE
BOSCH CO14B 14-Piece Cobalt M42 Metal Drill Bit Assorted Set
#TOP3
Bosch Co14B 14-Piece Cobalt M42 Metal Drill Bit
9.8
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 Inch Twist Drill Bits of 2026

Market Overview
Inch Twist Drill Bits Reviewed
  • Reviews Analyzed: 22147 Items
  • PM Avg. Rating: 9.7 / 10
7 Products Evaluated
  • Highest Price: $44.97
  • Lowest Price: $2.99
  • Avg. Price: $20.14

Bosch 91-Piece Drilling And Driving Mixed Set Ms4091

BOSCH
MS4091
12.50 X 9.25 X 2.75 Inches
1.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Versatile: This set includes a wide variety of both driver bits and drill bits as well as a selection of accessories to help assist in a number of drilling and fastening applications

Quality: The included driver bits feature designs to lessen damage to the screw head and provide better bit gripping Power; The split drill bit tips provide easy drilling starts and are ideal for a variety of applications such as wood, metal, masonry and more

Convenience: With such a wide variety of bits and accessory options, this set is deal for everyday tasks from the garage to the workshop to the home

Portable: Includes a tough job site case for secure storage, easy access, organizing and portability; The set includes removable components so you can take the range of bits wherever you need them for carry along convenience

All in One : 1 inch Insert Bits, 2 inch Insert Bits, Nut Setters, Countersink, Bit Holder, Rachet Screwdriver, Magnetic Extension Pen, Titanium Drill Bits, Rotary Masonry Drill Bits, Brad Point Bits

Bosch Professional 2608577351 19-Piece Pointteq Hss Twist Bit Set (For Metal, Probox, Drill Driver Accessories), 1,0–10,0 Mm

BOSCH
2608577351
5.91 X 1.57 X 0.20 Inches
0.99 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon Global Store UK 0.00

Features

Saves time: The HSS Twist Drill Bit PointTeQ with reduced shank enables you to drill through metal quickly thanks to the special design of the drill bit tip

High durability: The increased speed of the drill bit means less heat is built up, reducing wear

Precision work: The self-centering PointTeq tip design prevents slipping and allows an easy and efficient start

Compatibility: Suitable for all drill drivers, bench drills and rotary combi drills for making holes and centre holes through alloyed and mild steel, non-ferrous metals, cast steel, cast iron and plastic

Scope of delivery: 19 x PointTeQ HSS Twist Drill Bit with round shank – Ø: 1.0 / 1.5 / 2.0 / 2.5 / 3.0 / 3.5 / 4.0 / 4.5 / 5.0 / 5.5 / 6.0 / 6.5 / 7.0 / 7.5 / 8.0 / 8.5 / 9.0 / 9.5 / 10.0 mm

Bosch Co14B 14-Piece Cobalt M42 Metal Drill Bit Assorted Set

BOSCH
CO14B
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
1TopTools 9.66

Features

Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum

Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits

High-heat resistant bits – withstand high-temperature applications for extended periods of time

Thick web-helix design – provides additional stability in tough applications

Surface-hardened tip – penetrates tough abrasive materials

Includes – 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2"

#TOP4

Bosch Professional Pointteq Hss Twist Drill Bit (For Metal, 5 X 52 X 86 Mm, Accessories For Drill Driver)

BOSCH
2608577165
5.91 X 1.57 X 0.20 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon Global Store UK 0.00

Features

Saves time: The HSS Twist Drill Bit PointTeQ enables you to drill through metal quickly thanks to the special design of the drill bit tip

High durability: The increased speed of the drill bit means less heat is built up, reducing wear

Precision work: The self-centering PointTeq tip design prevents slipping and allows an easy and efficient start

Areas of use: For making holes through alloyed and mild steel, non-ferrous metals, cast steel, cast iron and plastic

Compatibility: Suitable for all drill drivers, bench drills and rotary combi drills

Bosch Co2137 5/32 In. X 3-1/8 In. Cobalt Drill Bit

BOSCH
CO2137
0.16 X 1.75 X 5.90 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)

Rigid, thick web design adds stability to bit in tough applications

Surface hardened to penetrate tough abrasive materials

Available in jobber length, full shank

Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium

Bosch Co2143 1/4 In. X 4 In. Cobalt Drill Bit

BOSCH
CO2143
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)

Rigid, thick web design adds stability to bit in tough applications

Surface hardened to penetrate tough abrasive materials, Cuts through light gauge metal, high carbon steel, aluminum and alloy steel, cast iron and stainless steel

Available in jobber length, full shank, Drill Point Angle is 135 degrees, Surface Coating is uncoated (bright finish), Bit type is Twist

Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium

Bosch Bl2751 3/8 In. X 12 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2751
0.00 X 0.00 X 0.00 Inches
0.35 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Speed helix design for three times faster drilling than standard bits

Last 50 percent longer than high-speed steel

Easier drilling, reduced heat and extended drill bit life

Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver and Deming)

For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials

Top 10 twist drill bits Brands on Amazon

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

Brand Count
Bosch 7

Top 10 twist drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 22,147 reviews on twist drill bits, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select twist drill bits priced around $20.14, with top brands including amoolo, gmtools, behappy, craft911, caroller, rocaris, dewalt, hurricane and becollo and sabre tools

Our team of expert editors reviewed these high-quality items and handpicked the top 7 twist drill bits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include amoolo direct, gmtools us, goldmoon industry, excellent quality!, drill bits center, rocaris direct, amazon.com, sumex tools and gmtools us ii and behappy crafts co.,ltd. .

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