Best Cmt Long Length Drill Bits in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 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 | ✅ | ✅ | ✅ |
The product is 1/4x12 has STL drill bit
Easy to use
The product is manufactured in China
135 degree split point drills on contact and prevents walking
Parabolic flute design improves chip ejection in metal and wood drilling applications
Black oxide coated for greater wear resistance
Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute
| 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 |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
135° split point tip prevents drill from walking
Round shanks allow use with a wide variety of tool holding systems
Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
6" overall length for drilling where extra length for reach is required
| 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 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 |
|---|---|---|---|---|
| TG tools | 9.94 | ✅ | ✅ | ✅ |
High-quality Design: Classic M2 High Speed Steel construction with black oxide finish for proven capability and durability.
Extra Long Drill Bit Set: Last 50 percent longer than high-speed steel. It is especially suitable for drilling in areas where the normal working length of the bit can not reach.
Easier Drilling: Reduced heat and extended drill bit life. 135 degree split point drills on contact and prevents walking.
Corrosion Resistance: Black oxide coated for greater wear resistance
Widely Application: Suitable for metal, copper, aluminum, kinds of wood, plastic, MDF, nylon composite materials, etc., especially for general purpose hand drill, allowing you to enter the hard to reach areas, and the normal working length of the drill can not reach.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DrillHulk | 9.88 | ✅ | ✅ | ✅ |
AIRCRAFT EXTENSION: 1/8-inch cutting diameter, 1-5/8-inch flute length, 6-Inch overall length, 135 degree split point, straight shank
MADE FROM PREMIUM M2 HIGH-SPEED STEEL: perform better because of its well-balanced toughness
BLACK OXIDE: Black oxide coating resists corrosion
APPLICATION: are ideal for extra reach and deep drilling applications in medium and softer materials, soft metal, PVC and wood
INCLUDE: 6 pieces of 1/8-inch aircraft extension drill bits with case
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| USA Tool Depot | 9.68 | ❌ | ❌ | ❌ |
Extra-long length drill bit reaches farther and drills deeper than a jobber or long length drill bit
High-speed steel (HSS) provides hardness for wear resistance
Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials
Self-centering 118-degree notched point penetrates material more easily than a conventional point without a pilot hole, and maintains a sharp cutting edge
Drill bit conforms to ANSI standards
Made in the USA
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Moofin | 9.88 | ✅ | ✅ | ✅ |
Milwaukee Thunderbolt Bit 5/32 In Black Oxide
Milwaukee Thunderbolt Black Oxide Jobber length drill bits are designed for extreme durability and long life
This is manufactured in China
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Long length drill bit has an extended flute and overall length to drill deeper and reach farther than a jobber length drill bit
High-speed steel (HSS) provides hardness for wear resistance
Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials
118-degree conventional point for general-purpose drilling applications
Round shank accommodates most drill chucks
Made in the USA
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Ship Auger Drill Bit: Equipped with a dual-helix cutting edge, the long ship auger offers fast, reliable and smooth drilling applications for all kinds of timber and wood leaving a cleanly drilled hole
Durable: The IDEAL long ship auger has a black oxide coating and is made from hardened machine steel making it durable and resistant to corrosion. The dual cutting edges and powerful screw tip power through nails and other embedded metals without breaking
Effortless Drilling: The oversized cutting head and the tapered dual flutes allow for easy chip removal without pulling back. Its dual-helix cutter head provides twice the cutting surface per rotation requring less effort to drill
Clean And Quick: The dual-helix auger bit has a unique 60 deg. angle design which shears through wood cleanly without excessive chipping. The oversized lead section pulls through the wood quickly while the tapered shaft removes the chips efficiently
Product Specifications: The IDEAL Nailbiter auger has a diameter of 7/8 in., over all length 7.5 in., twist length 5.0 in., 7/16 in. shank and dual flute design with quick change shank
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Auniwaig® | 9.89 | ❌ | ❌ | ❌ |
【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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HARFINGTON | 9.90 | ✅ | ✅ | ✅ |
Size - Drill Bit Diameter: 6mm / 0.24-inch; Flute Length: 127mm / 5-inch; Shank Diameter: 6mm / 0.24-inch; Total Length: 200mm / 7.87-inch.
Material - It is made of 6542 HSS (high speed steel) steel, which has good toughness and hardness, is not easy to break, and is easy to remove chips. Black oxide surface treatment, good rust resistance long durability.
Feature - The spiral groove design can avoid the displacement of the drill bit during the working process, and at the same time, the debris can be removed more quickly and easily. Sharp cutting edges provide smooth cutting without burrs.
Application - The twist drill is suitable for electric drills, hand electric drills and impact electric drills. Suitable for drilling stainless steel, iron, copper, aluminum alloy, wood and plastic.
Note - To drill clean and accurate holes, water is required for lubrication and cooling during metal drilling, and the feed speed should be controlled. Keep cool and use gently, which will prolong the life of the drill bit.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Top Dog Tool | 5.74 | ❌ | ❌ | ❌ |
Extra-length, for deeper holes
Tanged shank, for a secure and accurate tool-holding system with positive split-sleeve drivers
Steam tempering (also called black oxide), to retain cutting fluids and to prevent chip-to-tool welding
High-speed steel (HSS), for use on a wide variety of materials
118-degree conventional point angles, for general drilling applications
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Bosch | 12 |
| Drill America | 6 |
| Milwaukee | 4 |
| Comoware | 2 |
| Auniwaig | 1 |
| Chicago Latrobe | 1 |
| Cleveland | 1 |
| Dewalt | 1 |
| Dremel | 1 |
| Drill Hulk | 1 |
We've carried out a comprehensive analysis of 10,664 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 $12.59, 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 13 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.
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