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 |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DRILAX | 9.88 | ✅ | ✅ | ✅ |
Premium Quality Set of Total 20 pcs. 1mm (5 pcs), 1.5mm (5 pcs), 2.0mm (5 pcs), and 2.5mm (5 pcs) Twist Diamond Drill Bits - Compatible with Dremel and Other Rotary Tools
Perfect for Jewelry Design Necklaces Earrings, Pendants, Bracelets with Sea Shells, Beach Glass, Rocks
BONUS INCLUDED 4 Different Sized Collets Compatible with DREMEL for Drilling Clean Holes in Fused Glass, Gemstones, Rocks, Ceramic, Porcelain, Gemstones
Compatible with Dremel rotary tools, electric, cordless hand drills, upright drills, flex shafts, and others.
Cooling is important. Keep the hole you're cutting constantly bathed in water. You can feed water to the drilling spot, always keeping it wet. Or you can submerge the whole piece in water in a plastic container.
4 Brass Collets Compatible with Dremel INCLUDED
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 12.5mm / 0.49"; Shank Diameter : 12.5mm / 0.49"; Cutting Edge Length: 102mm / 4.02"; Total Length : 150mm / 5.91"; Cutting Direction: Right Hand
High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 8mm / 0.31"; Shank Diameter : 8mm / 0.31"; Cutting Edge Length: 75mm / 2.95"; Total Length : 115mm / 0.59"; Cutting Direction: Right Hand
High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 6.5mm / 0.26"; Shank Diameter : 6.5mm / 0.26"; Cutting Edge Length: 62mm / 2.44"; Total Length : 100mm / 3.94"; Cutting Direction: Right Hand
High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 3mm / 0.12"; Shank Diameter : 3mm / 0.12"; Cutting Edge Length: 27mm / 1.06"; Total Length : 60mm / 2.36"; Cutting Direction: Right Hand
High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 4mm / 0.16"; Shank Diameter : 4mm / 0.16"; Cutting Edge Length: 44mm / 1.73"; Total Length : 75mm / 2.95"; Cutting Direction: Right Hand
High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 11mm / 0.43"; Shank Diameter : 11mm / 0.43"; Cutting Edge Length: 100mm / 3.94"; Total Length : 140mm / 5.51"; Cutting Direction: Right Hand
High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 2.5mm / 0.1"; Shank Diameter : 2.5mm / 0.1"; Cutting Edge Length: 26mm / 1.02"; Total Length : 55mm / 2.17"; Cutting Direction: Right Hand
High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 19.5mm / 0.77"; Shank Diameter : 10mm / 0.39"; Cutting Edge Length: 55mm / 2.17"; Total Length : 150mm / 6.0"; Cutting Direction: Right Hand
High Speed Steel Tool: The twist drill bits are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. High cutting edge strength, fast cutting speed.
Reduced Shank: Reduced shank drill expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Sharp and spiral cutting edge provides neat and smooth cuts.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Tri-flat on the shank of drills are constructed for tighter chucking maximizing security for precise holes.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 12mm / 0.47"; Shank Diameter : 10mm / 0.39"; Cutting Edge Length: 63mm / 2.48"; Total Length : 150mm / 6.0"; Cutting Direction: Right Hand
High Speed Steel Tool: The twist drill bits are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. High cutting edge strength, fast cutting speed.
Reduced Shank: Reduced shank drill expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Sharp and spiral cutting edge provides neat and smooth cuts.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Tri-flat on the shank of drills are constructed for tighter chucking maximizing security for precise holes.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Polar Highlander | 5.42 | ❌ | ❌ | ❌ |
This 18 piece Industrial Grade High Speed Steel set includes 9 HSS drill bit and 9 HSS plug hand taps.
Gyros 118 degree split point drill bit set is professionally made for general purpose drilling.
Twist drills jobber length metric set comes with straight shank bits and is stored in a strong metal storage case
Gyros high-speed steel jobber length bits can drill through alloy, carbon steels, aluminum, brass, nickel-based alloys, plastic, and wood.
Set contains: 9 Industrial grade metric HSS taps 2.5x0.45, 3x0.50, 3.5x0.60, 4x0.70, 5x0.80, 6x1, 8x1.25, 10x1.50, 12x1.75 and 9 Industrial grade metric HSS drill bits 2.05, 2.50, 2.90, 3.30, 4.20, 5, 6.70, 8.50, 10.20
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 2mm / 0.08"; Shank Diameter : 2mm / 0.08"; Cutting Edge Length: 20mm / 0.79"; Total Length : 48.5mm / 1.91"; Cutting Direction: Right Hand
High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 16mm / 0.63"; Shank Diameter : 10mm / 0.39"; Cutting Edge Length: 125mm / 4.9"; Total Length : 178mm / 7"; Cutting Direction: Right Hand
High Speed Steel Tool: The twist drill bits are good for most general purpose applications, offering high hardness and toughness for wear resistance. Black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
Reduced Shank: Reduced shank drill expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes
Sharp & Spiral Flutes: Sharp Spiral flutes provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip.
Versatile Uses: For use in a wide range of aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Cemented Carbide Tip: 11mm twist drill bits are made of cemented carbide tip for long service life, more sharp and durable than others
Features: Milled U-flutes with deep-cut spiral provides fast material removal. Suitable for drilling in tough metal, including abrasive alloy and hardened steel
Use For: Drilling clean, accurate holes in sheet metal, steel, copper, brass, aluminum, plastic, wood, stainless steel and cast iron
Use Note: Please use low speed when drilling and note the temperature of carbide tip is not too high for extending drill bit life
Round Shank Design: Round shank twist drill bit can work with a electric drill (Excluding in the item).
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Cemented Carbide Tip: 3.2mm twist drill bits are made of cemented carbide tip for long service life, more sharp and durable than others
Features: Milled U-flutes with deep-cut spiral provides fast material removal. Suitable for drilling in tough metal, including abrasive alloy and hardened steel
Use For: Drilling clean, accurate holes in sheet metal, steel, copper, brass, aluminum, plastic, wood, stainless steel and cast iron
Use Note: Please use low speed when drilling and note the temperature of carbide tip is not too high for extending drill bit life
Round Shank Design: Round shank twist drill bit can work with a electric drill (Excluding in the item).
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Cemented Carbide Tip: 4mm twist drill bits are made of cemented carbide tip for long service life, more sharp and durable than others
Features: Milled U-flutes with deep-cut spiral provides fast material removal. Suitable for drilling in tough metal, including abrasive alloy and hardened steel
Use For: Drilling clean, accurate holes in sheet metal, steel, copper, brass, aluminum, plastic, wood, stainless steel and cast iron
Use Note: Please use low speed when drilling and note the temperature of carbide tip is not too high for extending drill bit life
Round Shank Design: Round shank twist drill bit can work with a electric drill (Excluding in the item).
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Dimove | 8.51 | ✅ | ✅ | ✅ |
【Size 】Cutting Edge Diameter : 12mm; Shank Diameter : 10mm; Cutting Edge Length: 75mm/2.95"; Total Length : 150mm/5.9". Package：1 piece.
【HSS Material】Made of high speed steel 4341 offer the reduced shank tool hard and tough, cutting effectively with impressive cutting performance.
【Gold and Black Oxide Finish】Gold titanium and black nitride dual coatings can apply lubricant better for smoother drilling and is more durable and corrosion resistant than the regular surface.
【Reduced Shank】 Reduced shank drill expands the size range capacity of a portable drill chuck. Design of triangular shank to increase cutting force and prevent slippage of shank during working.
【Widely Application】The reduced shank bits can be used in general applications including drilling in hard metals such as stainless steel, copper, iron,brass, aluminum alloy, and can be used for softer materials like wood, and plastic as well.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Features: Cutting Edge Diameter : 14mm / 0.55"; Shank Diameter : 10mm / 0.39"; Cutting Edge Length: 105mm / 4.13"; Total Length : 160mm / 6.3"; Cutting Direction: Right Hand
High Speed Steel Tool: The twist drill bits are good for most general purpose applications, offering high hardness and toughness for wear resistance. Black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
Reduced Shank: Reduced shank drill expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes
Sharp & Spiral Flutes: Sharp Spiral flutes provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip.
Versatile Uses: For use in a wide range of aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hegebeck US | 9.14 | ✅ | ✅ | ✅ |
【SIZE】- Cutting Edge Diameter : 7mm / 0.28"; Shank Diameter : 7mm / 0.28"; Total Length : 350mm / 13.78"
【MATERIAL】-This twist drill bit was made by High Speed Steel and the hardness HRC is 62~63 which is harder and tougher to extreme loads,not easy to break
【ADVANTAGE】- Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
【FEATURE】-Round shanks allow use with a wide variety of toolholding systems
【APPLICATIONS】-For use in a wide range of aluminum alloy, iron, copper, brass and metal materials
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Cemented Carbide Tip: 13mm twist drill bits are made of cemented carbide tip for long service life, more sharp and durable than others
Features: Milled U-flutes with deep-cut spiral provides fast material removal. Suitable for drilling in tough metal, including abrasive alloy and hardened steel
Use For: Drilling clean, accurate holes in sheet metal, steel, copper, brass, aluminum, plastic, wood, stainless steel and cast iron
Use Note: Please use low speed when drilling and note the temperature of carbide tip is not too high for extending drill bit life
Round Shank Design: Round shank twist drill bit can work with a electric drill (Excluding in the item).
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Uxcell | 16 |
| Bosch | 1 |
| Drilax | 1 |
| Focmkeas | 1 |
| Gyros | 1 |
| Hegebeck | 1 |
We've carried out a comprehensive analysis of 3,876 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 $15.08, 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 21 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.
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