Best Inch Twist Drill Bits in 2026

Daisy
Last Updated: Feb 8, 2026

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

12 PCS,1/4", HSS Black and Gold Coated Twist Drill Bits, Metal Drill, Ideal for Drilling on mild Steel, Copper, Aluminum, Zinc Alloy etc. Pack in Plastic Bag
#TOP1
12 Pcs,1/4", Hss Black And Gold Coated Twist
9.6
PM SCORE
12 PCS,5/32", HSS Black and Gold Coated Twist Drill Bits, Metal Drill, Ideal for Drilling on mild Steel, Copper, Aluminum, Zinc Alloy etc. Pack in Plastic Bag
#TOP2
12 Pcs,5/32", Hss Black And Gold Coated Twist
9.5
PM SCORE
12 PCS 5/16" HSS Black and Gold Coated Twist Drill Bits, Metal Drill, Ideal for Drilling on mild Steel, Copper, Aluminum, Zinc Alloy etc. Pack in Plastic Bag
#TOP3
12 Pcs 5/16" Hss Black And Gold Coated
7.1
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: 642 Items
  • PM Avg. Rating: 5.4 / 10
14 Products Evaluated
  • Highest Price: $30.99
  • Lowest Price: $7.00
  • Avg. Price: $15.00

12 Pcs,1/4", Hss Black And Gold Coated Twist Drill Bits, Metal Drill, Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. Pack In Plastic Bag

OXTUL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.73

Features

Bright finish: Classic M2 High Speed Steel construction with Bright Finish for proven capability and durability.

Strength & Hardness: Made with HSS M2 steel, Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces in a plastic bag, Diameter 5/16 inch, Total length 4 inch, Working length 2-3/4 inch.

Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry / Stainless Steel. Perfect match for workshop or service vehicles.

135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

12 Pcs,5/32", Hss Black And Gold Coated Twist Drill Bits, Metal Drill, Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. Pack In Plastic Bag

OXTUL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.33

Features

Bright finish: Classic M2 High Speed Steel construction with Bright Finish for proven capability and durability.

Strength & Hardness: Made with HSS M2 steel, Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces in a plastic bag, Diameter 5/32 inch, Total length 3-1/8 inch, Working length 2 inch.

Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry / Stainless Steel. Perfect match for workshop or service vehicles.

135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

12 Pcs 5/16" Hss Black And Gold Coated Twist Drill Bits, Metal Drill, Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. Pack In Plastic Bag

OXTUL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.33

Features

Cobalt drill bits: Classic M2 High Speed Steel construction with Black and Gold finish for proven capability and durability.

Hardness: M2 Twist drill bits’ Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces drill bits in a plastic bag, Diameter 5/16 inch, Total length 4-1/2 inch, Working length 3-3/16 inch.

Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles.

135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

12 Pcs 7/32" Hss Black And Gold Coated Twist Drill Bits, Metal Drill, Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. Pack In Plastic Bag

OXTUL
3.00 X 2.00 X 1.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.33

Features

Cobalt drill bits: Classic M2 High Speed Steel construction with Black and Gold finish for proven capability and durability.

Hardness: M2 Twist drill bits’ Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces drill bits in a plastic bag, Diameter 7/32 inch, Total length 3-3/4 inch, Working length 2-1/2 inch.

Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles.

135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

12 Pcs,7/64", Hss Black And Gold Coated Twist Drill Bits, Metal Drill, Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. Pack In Plastic Bag

OXTUL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.17

Features

Bright finish: Classic M2 High Speed Steel construction with Bright Finish for proven capability and durability.

Strength & Hardness: Made with HSS M2 steel, Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces in a plastic bag, Diameter 7/64 inch, Total length 2-5/8 inch, Working length 1-1/2 inch.

Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry / Stainless Steel. Perfect match for workshop or service vehicles.

118 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

12 Pcs 9/32" Hss Black And Gold Coated Twist Drill Bits, Metal Drill, Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. Pack In Plastic Bag

OXTUL
20192-12
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.33

Features

Bright finish: Classic M2 High Speed Steel construction with Bright Finish for proven capability and durability.

Strength & Hardness: Made with HSS M2 steel, Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces in a plastic bag, Diameter 9/32 inch, Total length 4-1/4 inch, Working length 2-15/16 inch.

Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry / Stainless Steel. Perfect match for workshop or service vehicles.

135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

12 Pcs,9/64", Hss Black And Gold Coated Twist Drill Bits, Metal Drill, Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. Pack In Plastic Bag

OXTUL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.33

Features

Bright finish: Classic M2 High Speed Steel construction with Bright Finish for proven capability and durability.

Strength & Hardness: Made with HSS M2 steel, Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces in a plastic bag, Diameter 9/64 inch, Total length 2-7/8 inch, Working length 1-3/4 inch.

Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry / Stainless Steel. Perfect match for workshop or service vehicles.

135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

5Pcs 5/16"Inch Hss General Purpose Heavy Duty Jobber Twist Drill Bits,Black Oxide,Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. (5/16)

OXTUL
DF20383
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.17

Features

5/16 Inch HSS Jobber Length Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.

High Quality Material- High Speed Steel

High Efficiency In Drilling Metals, and Stainless Steel.

Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel

135-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface

Oxtul 10Pcs,5/64",Hss General Purpose Heavy Duty Jobber Length Cobalt Twist Drill Bits,Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc.

DRILLFORCE
DF20060
3.34 X 0.07 X 1.93 inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Drillforce 6.24

Features

10PCS,5/64",HSS Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.

High Quality Material- High Speed Steel Cobalt -M 35 Cobalt Steel Best Material.

High Efficiency In Drilling Metals, and Stainless Steel.

Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel

135-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface

Oxtul 3/8 Inch, 6 Pcs Drill Bits, High Speel Steel, 3 Flat Shank

OXTUL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.33

Features

Cobalt drill bits: Classic M2 High Speed Steel construction with Black and Gold finish for proven capability and durability.

Hardness: M2 Twist drill bits’ Rock wall Hardness Level HRC 62-63.

Package & Size: 6 Pieces drill bits in a plastic bag, Diameter 3/8 inch, Total length 5 inch, Working length 3-5/8 inch.

Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles.

135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

12 Pcs 13/64" Hss Black And Gold Coated Twist Drill Bits, Metal Drill, Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. Pack In Plastic Bag

OXTUL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.33

Features

Cobalt drill bits: Classic M2 High Speed Steel construction with Black and Gold finish for proven capability and durability.

Hardness: M2 Twist drill bits’ Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces drill bits in a plastic bag, Diameter 13/64 inch, Total length 3-5/8 inch, Working length 2-7/16 inch.

Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles.

135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

10Pcs 5/64" Hss Twist Drill Bits, Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy (5/64)

OXTUL
DF20002
3.54 X 1.18 X 0.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.17

Features

Twist Drill Bits Titanium Coated : Classic 4241 High Speed Steel construction with Titanium Coating for proven capability and durability.

Strength & Hardness: Made with HSS 4241 steel, Rock wall Hardness Level HRC 60-62.

Package & Size: 10 Pieces in a plastic bag, Diameter 5/64 inch, Total length 2 inch, Working length 1 inch.

Professional & DIY Use: Ideal for drilling on mild steel, copper, Aluminum, Zinc alloy , wood & plastics, Not For Use On Concrete / Masonry / Stainless Steel. Perfect match for workshop or service vehicles.

118 Degree point configuration is ideal for general purpose drilling applications

Oxtul 10Pcs 7/64" Inch Hss General Purpose Heavy Duty Jobber Length Cobalt Twist Drill Bits,Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc.

DRILLFORCE
DF20062
3.74 X 0.16 X 1.97 Inches
0.06 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Drillforce 6.24

Features

10PCS 7/64" INCH HSS Jobber Length Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.

High Quality Material- High Speed Steel Cobalt -M 35 Cobalt Steel Best Material.

High Efficiency In Drilling Metals, and Stainless Steel.

Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel

135-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface

Oxtul 5Pcs,21/64" Inch Hss Jobber Cobalt Twist Drill Bits,Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc.

DRILLFORCE
DF20076
5.90 X 0.31 X 2.36 Inches
0.39 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Drillforce 6.33

Features

5PCS,21/64" Inch HSS Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.

High Quality Material- High Speed Steel Cobalt -M 35 Cobalt Steel Best Material

High Efficiency In Drilling Metals, and Stainless Steel.

Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel

135-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface

Top 10 twist drill bits Brands on Amazon

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

Brand Count
Oxtul 11
Drillforce 3

Top 10 twist drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 642 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 $15.00, 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 14 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.