Best Cmt Long Length Drill Bits in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 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 | ✅ | ✅ | ✅ |
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 | ✅ | ✅ | ✅ |
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
12" overall length for drilling where extra length for reach is required
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MAX-CRAFT | 8.56 | ❌ | ❌ | ❌ |
✔️【 COBALT DRILL BIT DIMENSION】:1/8"(Diameter) x 1-5/8"( Flute Length) x 12"(Overall Length)
✔️【 COBALT MATERIAL】: HSS(M35) Cobalt Steel is the premium material with high hardness and red hardness to enable long drilling life and fast drilling performance.
✔️【 SURFACE TREATMENT】: The Gold Oxide Ember finished surface treatment strongthen the hardness of drill bit body to ensure the long drilling life and better drilling performance.
✔️【 SPLIT POINT ANGLE 135】 DEG.: No center punch is needed- the aggrevsive 135 deg. Split Point quick-cutting points are self- centering and penetrate quickly with less pressure. will not "walk" or"wander".
✔️【 APPLICATION】: Best used for drilling deep hole in metal, high-carbon steel, aluminum and alloy steel, cast iron, stainless steel and titanium
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MAX-CRAFT | 8.51 | ❌ | ❌ | ❌ |
✔️【 COBALT DRILL BIT DIMENSION】:1/8"(Diameter) x 1-5/8"( Flute Length) x 6"(Overall Length)
✔️【 COBALT MATERIAL】: HSS(M35) Cobalt Steel is the premium material with high hardness and red hardness to enable long drilling life and fast drilling performance.
✔️【 SURFACE TREATMENT】: The Gold Oxide Ember finished surface treatment strongthen the hardness of drill bit body to ensure the long drilling life and better drilling performance.
✔️【 SPLIT POINT ANGLE 135】 DEG.: No center punch is needed- the aggrevsive 135 deg. Split Point quick-cutting points are self- centering and penetrate quickly with less pressure. will not "walk" or"wander".
✔️【 APPLICATION】: Best used for drilling deep hole in metal, high-carbon steel, aluminum and alloy steel, cast iron, stainless steel and titanium
| 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 |
|---|---|---|---|---|
| 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
Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
Gold oxide finish lubricates and provides wear resistance on ferrous materials
Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
Extra thick web provides increased strength and rigidity compared to standard drill bits
Made in the USA
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Drill America | 2 |
| Max-Craft | 2 |
| Chicago Latrobe | 1 |
| Gmtools | 1 |
We've carried out a comprehensive analysis of 3,096 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 $18.71, 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 6 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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