Best Cmt Long Length Drill Bits in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Cmt Long Length Drill Bits

BOSCH BL2747 5/16 In. x 12 In. Extra Length Aircraft Black Oxide Drill Bit
#TOP1
Bosch Bl2747 5/16 In. X 12 In. Extra
9.8
PM SCORE
BOSCH BL2634 7/64 In. x 6 In. Aircraft Fractional Black Oxide Drill Bit
#TOP2
Bosch Bl2634 7/64 In. X 6 In. Aircraft
9.8
PM SCORE
BOSCH BL2635 1/8 In. x 6 In. Extra Length Aircraft Black Oxide Drill Bit
#TOP3
Bosch Bl2635 1/8 In. X 6 In. Extra
9.7
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 Cmt Long Length Drill Bits of 2026

Market Overview
Cmt Long Length Drill Bits Reviewed
  • Reviews Analyzed: 2608 Items
  • PM Avg. Rating: 7.2 / 10
15 Products Evaluated
  • Highest Price: $26.49
  • Lowest Price: $2.19
  • Avg. Price: $9.28

Bosch Bl2747 5/16 In. X 12 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2747
0.00 X 0.00 X 0.00 inches
0.25 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Bosch Bl2634 7/64 In. X 6 In. Aircraft Fractional Black Oxide Drill Bit

BOSCH
BL2634
3.50 X 0.71 X 0.06 Inches
0.07 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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 Deming)

For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials

Bosch Bl2635 1/8 In. X 6 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2635
3.54 X 0.75 X 0.05 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Bosch Bl2735 1/8 In. X 12 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2735
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Bosch Bl2639 3/16 In. X 6 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2639
3.54 X 0.75 X 0.07 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Bosch Bl2759 1/2 In. X 12 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2759
0.00 X 0.00 X 0.00 Inches
0.57 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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 Deming)

For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials

Bosch Bl2751 3/8 In. X 12 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2751
0.00 X 0.00 X 0.00 Inches
0.35 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Bosch Bl2643 1/4 In. X 6 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2643
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Bosch Bl2633 3/32 In. X 6 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2633
3.50 X 0.71 X 0.04 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Bosch Bl2731 1/16 In. X 12 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2731
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Bosch Bl2755 7/16 In. X 12 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2755
0.00 X 0.00 X 0.00 Inches
0.45 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Bosch Bl2636 9/64 In. X 6 In. Extra Length Aircraft Black Oxide Drill Bit

DREMEL
BL2636
3.50 X 0.75 X 0.06 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Bosch Bl2631 1/16 In. X 6 In. Extra Length Aircraft Black Oxide Drill Bit

BOSCH
BL2631
3.54 X 1.06 X 0.35 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

#TOP14

Auniwaig Reduced Shank Drill Bit, Hss Drill Bit 1.26", High Speed Steel With Straight Shank For Iron, Cooper, Aluminum Plate, Metal

AUNIWAIG
CU7700Z2102HF-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Auniwaig® 9.89

Features

【Parameter】- Material:HSS-6542;Hardened to:65-66Hrc;Cutting Diameter:32mm/1.26inch;Total Length:150mm/5.91inch

【Material】- High speed steel 6542 is designed to ensure sharp and fast execution in metal surface for clean results;32mm cutting diameter. Good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance

【Advantage】-Expanding the size range capacity of a portable drill chuck; Common flute and overall length for minimal adjustment during tool changes

【Special Design】-Black oxide treatment adds lubricity; Small pockets on the surface of the tool that act to hold coolant near the cutting edge

【Wide Applications】- Design for drilling in low and medium tensile strength materials; such aluminum; iron; copper; brass and metal

Hegebeck Extra Long Drill Bit Set,Twist Drill Bits,7Mm Dia Round Shank 350Mm High Speed Steel For Metal Aluminum Alloy Iron 1Pcs(Silver)

HEGEBECK
GU9600Z0412MU-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hegebeck US 9.14

Features

【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

Top 10 long length drill bits Brands on Amazon

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

Brand Count
Bosch 12
Auniwaig 1
Dremel 1
Hegebeck 1

Top 10 long length drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 2,608 reviews on long length drill bits, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select long length drill bits priced around $9.28, with top brands including somada, neiko, bosch, drill america, fulton, dewalt, baker and bolt, dudua and comoware and drill hulk

Our team of expert editors reviewed these high-quality items and handpicked the top 15 long length 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 carolina tools, amazon.com, peachtree woodworking supply inc, awadeals, xintang shengrui trading company, tianhe district, tg tools, drillhulk, muxizac-us and lldsimex and chiciris .

We are dedicated to assisting our users in finding the right bits Products based on their needs, saving them considerable time when choosing which long length drill bits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.