Best Inch Twist Drill Bits in 2026
Daisy
Last Updated: Feb 6, 2026
Daisy
Last Updated: Feb 6, 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 |
|---|---|---|---|---|
| GMTOOLS US | 9.88 | ✅ | ✅ | ✅ |
Perfect Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped
135° Split Point & Twist Design: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster
Enhanced M35 Alloy Material: These drill bits contain 5% Cobalt alloy steel, which increases wear resistance and durability. Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set
Set 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, 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 and 1/2 inch bits; Comes in metal indexed storage case for easy storage
QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US | 9.51 | ✅ | ✅ | ✅ |
Perfect Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped
135° Split Point & Twist Design: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster
Enhanced M35 Alloy Material: These drill bits contain 5% Cobalt, which increases wear resistance and durability. Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set.
Set 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 bits; Comes in plastic storage case for easy storage
QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US | 8.92 | ✅ | ✅ | ✅ |
115 Pieces Set Includes: 29pcs Fractional Size: 1/16 to 1/2 inch bits in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60; Set includes the drill bit holder with size index for easy storage and organizing
Perfect Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped
135° Split Point & Twist Design: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster
Enhanced M35 Alloy Material: These drill bits contain 5% Cobalt alloy steel, which increases wear resistance and durability. Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set
QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US | 8.97 | ✅ | ✅ | ✅ |
High Quality Material: The combination of high-speed steel black and gold oxide finish increases drill bit's corrosion resistance and wear resistance.
135°Split Point: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, fully ground drill bit with sharp and durable cutting edge. Twist design for bring metal shavings up and out of the hole drill.
Features: round straight shank, self-centering design prevents walking, fully ground twist design ensures a drilling performance by decreasing friction, easily for drilling materials includs stainless steel, cast iron, alloy, wood and hard plastics.
Set 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, 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 and 1/2 inch bits;Storage in a metal indexed case.
Quality Commitment: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US | 9.87 | ✅ | ✅ | ✅ |
High Quailty Material: Manufactured from Industry grade M35 High Speed Steel with 5% Cobalt added, usually giving better Heat, Wear and Chip Resistance and Long Tool Life.
135° Split Point: The 135° fast cutting point is automatically centered and prevents walking, clears chips and particles faster. Making drilling precise, reducing friction and heat for a smooth chip movement.
Professional Drill Bits: gold oxide finish and round straight shanks， fully ground spiral groove design with high grinding accuracy, for cutting stainless steel, steel and cast iron as well as wood, aluminum alloys and other metals.
Set includes: 15pcs jobber length drill bit set with plastic storage case, includes 1/16" 2pc, 5/64" 1pc, 3/32" 2pc, 7/64" 1pc, 1/8" 2pc, 9/64" 1pc, 5/32" 1pc, 3/16" 1pc, 7/32" 1pc, 1/4" 1pc, 5/16" 1pc, 3/8" 1pc.
QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US | 9.87 | ✅ | ✅ | ✅ |
Packaging: 10 pcs Cobalt Drill Bit Set , Diameter 1/4”(Dia 6.35mm) , Flute Length 2-3/4”(69.85mm) , in a sturdy plastic case for easy storage and carrying.
1/4" M35 Material Cobalt drill bits: 1/4" drill bits for metal is made of Industry grade M35 High Speed Steel, containing 5% cobalt, which increases drill bit wear-resistance, durability and heat resistance.
135 Degree Tip Twist Design: precise positioning, lower pressure, fast penetration. Equipped with a straight shank to prevent walking, making drilling more precise and fast,clears particles quickly, decreases friction and heat.
Feature：cobalt drill bit's hardness is uniform so that can be repeatedly sharpened without damaging the cutting edge, suit for hard metals, stainless steel, cast iron, galvanized pipe, high temperature alloy, titanium alloy, woods and hard plastics.
Quality Commitment: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US | 9.88 | ✅ | ✅ | ✅ |
Packaging: 10 pcs Cobalt Drill Bit Set , Diameter 3/16"(Dia 4.76mm) , Flute Length 2-5/16"（58.74mm） , in a sturdy plastic case for easy storage and carrying.
3/16" M35 Material Cobalt drill bits: 3/16" drill bits for metal is made of Industry grade M35 High Speed Steel, containing 5% cobalt, which increases drill bit wear-resistance, durability and heat resistance.
135 Degree Tip Twist Design: precise positioning, lower pressure, fast penetration. Equipped with a straight shank to prevent walking, making drilling more precise and fast,clears particles quickly, decreases friction and heat.
Feature：cobalt drill bit's hardness is uniform so that can be repeatedly sharpened without damaging the cutting edge, suit for hard metals, stainless steel, cast iron, galvanized pipe, high temperature alloy, titanium alloy, woods and hard.
Quality Commitment: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US II | 6.65 | ✅ | ✅ | ✅ |
Feature: High-Speed tool steel clear chips and particles faster, make drilling precise and faster. Fit to electric power drill drivers and start repairs, installation, and renovation in metal, wood, and plastics.
Sharp & Wear-Resistant Material: These drill bits are made of 4241 high speed steel with titanium coating for proven capability and durability.
WIDE APPLICATION: drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic
Includes: 1/16"(40pcs),3/32"(23pcs),9/64"(20pcs),3/64"(34pcs),5/64"(38pcs),1/8"(26pcs),11/64"(5pcs),13/64"(4pcs),7/32"(3pcs),1/4"(4pcs),117/64"(3pcs),11/32"(2pcs),1/8"(1pcs),5/32"(10pcs),3/16"(10pcs),9/32"(3pcs),5/16"(3pcs),7/16"(1pcs),1/2"(1pcs).
QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US II | 6.88 | ✅ | ✅ | ✅ |
HSS BIT DRILLING: High-Speed tool steel clear chips and particles faster, make drilling precise and faster. Fit to electric power drill drivers and start repairs, installation, and renovation in metal, wood, and plastics.
Sharp & Wear-Resistant Material: These drill bits are made of high speed steel with titanium coating for proven capability and durability.
WIDE APPLICATION: drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic
Set includes: 1/16"(16pcs),5/64"(16pcs),3/32"(15pcs),7/64"(10pcs),1/8"(10pcs),9/64"(8pcs),5/32"(8pcs),11/64"(3pcs),3/16"(3pcs),7/32"(2pcs),15/64"(2pcs),1/4"(2pcs),5/16"(2pcs),3/8"(2pcs).
QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US | 9.87 | ✅ | ✅ | ✅ |
HSS Titanium Coating: GMTOOLS hex shank drill bits with titanium coated high speed steel, increasing wear resistance and durability. The cutting edge is hardened and honed for sharpness, suited for wood, aluminum alloy, stainless steel, plastic, etc.
Flutes Form and 135°Split Point: 135° Split Point makes drilling easy with less pressure and prevents drill bits from walking. Double U shape flutes clear chips effectively, decreasing friction and heat for a faster, cooler drilling process.
Quick Change: 1/4" hex shank compatible with power screwdrivers, impact drivers, and other tools that accept 1/4" hex shanks, eliminates the frustration of shank spinning in chuck, easily locking into a chuck without slipping and falling off.
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"，storage in a box with size index
Quality Commitment: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US | 9.88 | ✅ | ✅ | ✅ |
HSS Titanium Coating: GMTOOLS hex shank drill bits with titanium coated high speed steel, increasing wear resistance and durability. The cutting edge is hardened and honed for sharpness, suited for wood, aluminum alloy, stainless steel, plastic, etc.
Flutes Form and 135°Split Point: 135° Split Point makes drilling easy with less pressure and prevents drill bits from walking. Double U shape flutes clear chips effectively, decreasing friction and heat for a faster, cooler drilling process.
Quick Change: 1/4" hex shank compatible with power screwdrivers, impact drivers, and other tools that accept 1/4" hex shanks, eliminates the frustration of shank spinning in chuck, easily locking into a chuck without slipping and falling off.
Size: 13 different sizes including 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", Each bit has an assigned hole in a drill bit holder with size indexing for easy storage and quick organization.
Quality Commitment: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GMTOOLS US | 9.88 | ✅ | ✅ | ✅ |
Perfect Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped
135° Split Point & Twist Design: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster
Enhanced M35 Alloy Material: These drill bits contain 5% Cobalt alloy steel, which increases wear resistance and durability. Industry grade M35 high speed steel drill bit set.
Set 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, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64 and 3/8 inch bits; Comes in metal indexed storage case for easy storage
QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Gmtools | 12 |
We've carried out a comprehensive analysis of 4,293 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 $34.10, 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 12 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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