Best Inch Twist Drill Bits in 2026
Daisy
Last Updated: Feb 7, 2026
Daisy
Last Updated: Feb 7, 2026
* 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.19 | ✅ | ✅ | ✅ |
Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability.
Hardness: 5% Cobalt drill bits’ Rock wall Hardness Level HRC 65-66.
Package & Size: 10 Pieces drill bits 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, Stainless Steel, 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
20PCS,9/32" 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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.33 | ✅ | ✅ | ✅ |
Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability.
Hardness: 5% Cobalt drill bits’ Rock wall Hardness Level HRC 65-66.
Package & Size: 10 Pieces drill bits in a plastic bag, Diameter 17/64 inch, Total length 4-1/8 inch, Working length 2-7/8 inch.
Professional & DIY Use: For use on metal, wood & plastics, Stainless Steel, 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.24 | ❌ | ❌ | ❌ |
20PCS,3/32",HSS Cobalt Jobber Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc with Packing 10pcs in Plastic Bag
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
118-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.28 | ✅ | ✅ | ✅ |
Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability.
Hardness: 5% Cobalt drill bits’ Rock wall Hardness Level HRC 65-66.
Package & Size: 10 Pieces drill bits in a plastic bag, Diameter 1/8 inch, Total length 2-3/4 inch, Working length 1-5/8 inch.
Professional & DIY Use: For use on metal, wood & plastics, Stainless Steel, Not For Use On Concrete / Masonry. 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.28 | ✅ | ✅ | ✅ |
Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability.
Hardness: 5% Cobalt drill bits’ Rock wall Hardness Level HRC 65-66.
Package & Size: 10 Pieces drill bits in a plastic bag, Diameter 3/16 inch, Total length 3-1/2 inch, Working length 2-5/16 inch.
Professional & DIY Use: For use on metal, wood & plastics, Stainless Steel, 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.24 | ✅ | ✅ | ✅ |
10pcs HSS Cobalt Jobber Length in Plastic bag with Lables with Size 1/16"
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.19 | ✅ | ✅ | ✅ |
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 1/4 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.33 | ✅ | ✅ | ✅ |
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 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 / 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.33 | ✅ | ✅ | ✅ |
eed Steel construction with Titanium Coating for proven capability and durability.Titanium Coated: Classic 4241 High Sp
Strength & Hardness: Made with HSS 4241 steel, Rock wall Hardness Level HRC 60-62.
Package & Size: 10 Pieces 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 / Stainless Steel. Perfect match for workshop or service vehicles.
135Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.24 | ✅ | ✅ | ✅ |
10PCS,3/32",HSS Cobalt Jobber Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc with Packing 10pcs in Plastic Bag
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.24 | ❌ | ❌ | ❌ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.33 | ❌ | ❌ | ❌ |
10PCS 27/64" 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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.33 | ❌ | ❌ | ❌ |
29pcs HSS Jobber Length Titanium Coated Twist Drill Bits Set in Metal Case
Size:1/16", 5/64" ,3/32" ,7/64", 1/8", 9/64" ,5/32" ,11/64" ,3/16" ,13/64" ,7/32" ,15/64", 1/4" ,17/64" ,9/32" ,19/64" ,5/16" ,21/64" ,11/32" ,23/64" ,3/8",25/64",13/32",27/64",7/16",29/64",15/32",31/64",1/2"
High Quality Material- High Speed Steel
For drilling in wood, metal and plastic. Each high speed steel bit is hardened and tempered for long life and high performance in tough application
118 Degree point configuration is ideal for general purpose drilling applications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.33 | ❌ | ❌ | ❌ |
Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability.5% Cobalt drill bits? Rock wall Hardness Level HRC 65-66.
Stock in USA, Free Shipping
Professional & DIY Use: For use on metal, wood & plastics, Stainless Steel, Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles.
Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.
Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage. Not For Use On Concrete, Masonry.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.24 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.33 | ❌ | ❌ | ❌ |
Hardness: M2 Twist drill bits’ Rock wall Hardness Level HRC 62-63.
Hardness: M2 Twist drill bits’ Rock wall Hardness Level HRC 62-63.
Package & Size: 24 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.33 | ❌ | ❌ | ❌ |
5/16" 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: 40 Pieces in a plastic bag, Diameter 5/16 inch, Total length 4-1/2 inch, Working length 3-3/16 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.
135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.33 | ❌ | ❌ | ❌ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Drillforce | 6.33 | ❌ | ❌ | ❌ |
5/16" 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: 30 Pieces in a plastic bag,Total length 4-1/2 inch, Working length 3-3/16 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.
135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Drillforce | 20 |
We've carried out a comprehensive analysis of 4,573 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 $16.95, 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 20 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.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
