Best Inch Twist Drill Bits in 2026

Daisy
Last Updated: Feb 7, 2026

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

Lichamp 29PCS HSS Cobalt Drill Bits Set 1/16" to 1/2" with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron
#TOP1
Lichamp 29Pcs Hss Cobalt Drill Bits Set 1/16"
9.3
PM SCORE
Lichamp 21PCS HSS Cobalt Drill Bits Set 1/16" to 3/8" with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron
#TOP2
Lichamp 21Pcs Hss Cobalt Drill Bits Set 1/16"
9.2
PM SCORE
Lichamp 1/8" HSS Cobalt Drill Bits 10PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron
#TOP3
Lichamp 1/8" Hss Cobalt Drill Bits 10Pcs With
9.2
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

Lichamp 29Pcs Hss Cobalt Drill Bits Set 1/16" To 1/2" With Three Flute For Hard Metal, Hardened Stainless Steel And Cast Iron

LICHAMP
CDB-B02900
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
QIUHUA 9.95

Features

UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.

4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.

MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.

SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.

29PCS DRILL BIT SET - Metal index case with size chart for easy bit access and identification. Includes drill bit sizes 1/16-inch to 1/2-inch in 1/64-inch increments.

Lichamp 21Pcs Hss Cobalt Drill Bits Set 1/16" To 3/8" With Three Flute For Hard Metal, Hardened Stainless Steel And Cast Iron

LICHAMP
CDB-B02100
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
QIUHUA 9.95

Features

UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.

4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.

MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.

SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.

21PCS DRILL BIT SET - Metal index case with size chart for easy bit access and identification. Includes drill bit sizes 1/16-inch to 3/8-inch in 1/64-inch increments.

Lichamp 1/8" Hss Cobalt Drill Bits 10Pcs With Three Flute For Hard Metal, Hardened Stainless Steel And Cast Iron

LICHAMP
CDB-A01018
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
QIUHUA 9.95

Features

UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.

4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.

MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.

SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.

1/8" COBALT DRILL BIT - Round straight shanks, include 10 pack 1/8-inch diameter hss drill bit with well organized clear ps case.

Lichamp 13Pcs Hss Cobalt Drill Bits Set 1/16" To 1/4" With Three Flute For Hard Metal, Hardened Stainless Steel And Cast Iron

LICHAMP
CDB-B01300
5.24 X 3.43 X 0.71 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
QIUHUA 9.95

Features

UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.

4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.

MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.

SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.

13PCS DRILL BIT SET - Metal index case with size chart for easy bit access and identification. Includes drill bit sizes 1/16-inch to 1/4-inch in 1/64-inch increments.

Lichamp 1/4" Hss Cobalt Drill Bits 10Pcs With Three Flute For Hard Metal, Hardened Stainless Steel And Cast Iron

LICHAMP
CDB-A01014
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
QIUHUA 9.95

Features

UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.

4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.

MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.

SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.

1/4" COBALT DRILL BIT - Round straight shanks, include 10 pack 1/4-inch diameter hss drill bit with well organized clear ps case.

Lichamp 1/2" Hss Cobalt Drill Bits 5Pcs With Three Flute For Hard Metal, Hardened Stainless Steel And Cast Iron

LICHAMP
CDB-A00512
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
QIUHUA 9.95

Features

UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.

4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.

MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.

SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.

1/2" COBALT DRILL BIT - Round straight shanks, include 5 pack 1/2-inch diameter hss drill bit with well organized clear ps case.

Lichamp Left Hand Drill Bit Set For Metal Sheet, 13-Piece Genuine M2 Hss Twist Reverse Drill Bits, 13 Sizes From 1/16 To 1/4 Inches

LICHAMP
C013
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
QIUHUA 9.95

Features

1 ) Special left hand design can be used with reversible drills with screw extractors to remove broken fasteners and screws, bolts, and studs for home repairs, at your automotive garage, and more.

2 ) Twist design to increase cutting speed with an angled tip that is a 135 degree split point for precise self-centering and designed to cut holes faster as it prevents walking, clears chips and particles faster.

3 ) Constructed of M2 high speed steel with a titanium nitride coating, which give it very high surface hardness to help penetrate tough materials while highly corrosion resistant reducing friction between bit and workpiece.

4 ) Neatly organized in a metal case, drill indexed, easy storage, size includes: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64 and 1/4 inch.

5 ) If you aren't satisfied with your purchase, contact us (seller) through email at any time you want, and we'll issue you a refund, to ensure you have a nice shopping experience in our store.

Lichamp Left Hand Drill Bits 4-Pieces 1/8 1/4 3/8 1/2 For Metal Sheet, 4-Piece Genuine M2 Hss Twist Reverse Drill Bits

LICHAMP
C004
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Lichamp 9.94

Features

1 ) Special left hand design can be used with reversible drills with screw extractors to remove broken fasteners and screws, bolts, and studs for home repairs, at your automotive garage, and more.

2 ) Twist design to increase cutting speed with an angled tip that is a 135 degree split point for precise self-centering and designed to cut holes faster as it prevents walking, clears chips and particles faster.

3 ) Constructed of M2 high speed steel with a titanium nitride coating, which give it very high surface hardness to help penetrate tough materials while highly corrosion resistant reducing friction between bit and workpiece.

4 ) Storage in a PS plastic transparent case, size includes: 1/8 1/4 3/8 and 1/2 inch.

5 ) If you aren't satisfied with your purchase, contact us (seller) through email at any time you want, and we'll issue you a refund, to ensure you have a nice shopping experience in our store.

Top 10 twist drill bits Brands on Amazon

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

Brand Count
Lichamp 8

Top 10 twist drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 841 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 $33.87, 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 8 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.