Best Straight Long Drill Bits in 2026

Daisy
Last Updated: Feb 7, 2026

At a Glance: Our Top Picks for Straight Long Drill Bits

CMT 537.350.31 Forstner Bit, 35mm (1-3/8-Inch) Diameter, 10mm Shank
#TOP1
Cmt 537.350.31 Forstner Bit, 35Mm (1-3/8-Inch) Diameter, 10Mm
9.4
PM SCORE
CMT 537.150.31 Forstner Bit, 15mm (19/32-Inch) Diameter, 8mm Shank
#TOP2
Cmt 537.150.31 Forstner Bit, 15Mm (19/32-Inch) Diameter, 8Mm
7.7
PM SCORE
CMT 537.508.31 Forstner Bit, 2-Inch Diameter, 3/8-Inch Shank
#TOP3
Cmt 537.508.31 Forstner Bit, 2-Inch Diameter, 3/8-Inch Shank
6.9
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 Straight Long Drill Bits of 2026

#TOP1
Best For Cmt

Cmt 537.350.31 Forstner Bit, 35Mm (1-3/8-Inch) Diameter, 10Mm Shank

CMT
537.350.31
6.00 X 2.00 X 2.00 Inches
0.38 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Routerbitworld 9.93

Features

3-35/64-Inch Overall Length, Right-Hand Rotation.

2 spurs, 2 precision ground cutting edges, long-lasting cutting performance

Drill precise flat bottom holes with no chipping in any thickness of soft wood

For drilling holes in any direction and making arched openings

For drilling partially overlapped flat bottom holes or niches used to fix supports

#TOP2
Best For Cmt

Cmt 537.150.31 Forstner Bit, 15Mm (19/32-Inch) Diameter, 8Mm Shank

CMT
537.150.31
3.54 X 0.59 X 0.59 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Factory Direct Supply WPB 9.74

Features

3-35/64-Inch Overall Length, Right-Hand Rotation.

2 spurs, 2 precision ground cutting edges, long-lasting cutting performance

Drill precise flat bottom holes with no chipping in any thickness of soft wood

For drilling holes in any direction and making arched openings

For drilling partially overlapped flat bottom holes or niches used to fix supports

#TOP3
Best For Cmt

Cmt 537.508.31 Forstner Bit, 2-Inch Diameter, 3/8-Inch Shank

CMT
537.508.31
6.00 X 2.00 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Factory Direct Supply WPB 9.74

Features

3-35/64-Inch Overall Length, Right-Hand Rotation.

2 spurs, 2 precision ground cutting edges, long-lasting cutting performance.

Drill precise flat bottom holes with no chipping in any thickness of soft wood.

For drilling holes in any direction and making arched openings.

For drilling partially overlapped flat bottom holes or niches used to fix supports.

#TOP4
Best For Cmt

Cmt 537.158.31 Forstner Bit, 5/8-Inch Diameter, 3/8-Inch Shank

CMT
537.158.31
3.55 X 0.63 X 0.63 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

3-35/64-Inch Overall Length, Right-Hand Rotation.

2 spurs, 2 precision ground cutting edges, long-lasting cutting performance

Drill precise flat bottom holes with no chipping in any thickness of soft wood

For drilling holes in any direction and making arched openings

For drilling partially overlapped flat bottom holes or niches used to fix supports

#TOP5
Best For Cmt

Cmt 537.381.31 Forstner Bit, 1-1/2-Inch Diameter, 3/8-Inch Shank

CMT
537.381.31
6.00 X 2.00 X 2.00 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Factory Direct Supply WPB 9.74

Features

3-35/64-Inch Overall Length, Right-Hand Rotation.

2 spurs, 2 precision ground cutting edges, long-lasting cutting performance.

Drill precise flat bottom holes with no chipping in any thickness of soft wood.

For drilling holes in any direction and making arched openings.

For drilling partially overlapped flat bottom holes or niches used to fix supports.

#TOP6
Best For Cmt

Cmt 537.349.31 Forstner Bit, 1-3/8-Inch Diameter, 3/8-Inch Shank

CMT
537.349.31
6.00 X 2.00 X 2.00 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Routerbitworld 9.93

Features

3-35/64-Inch Overall Length, Right-Hand Rotation.

2 spurs, 2 precision ground cutting edges, long-lasting cutting performance.

Drill precise flat bottom holes with no chipping in any thickness of soft wood.

For drilling holes in any direction and making arched openings.

For drilling partially overlapped flat bottom holes or niches used to fix supports.

#TOP7
Best For Cmt

Cmt 537.095.31 Forstner Bit, 3/8-Inch Diameter, 3/8-Inch Shank

CMT
537.095.31
3.55 X 0.38 X 0.38 Inches
0.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Factory Direct Supply WPB 9.74

Features

3-35/64-Inch Overall Length, Right-Hand Rotation.

2 spurs, 2 precision ground cutting edges, long-lasting cutting performance.

Drill precise flat bottom holes with no chipping in any thickness of soft wood.

For drilling holes in any direction and making arched openings.

For drilling partially overlapped flat bottom holes or niches used to fix supports.

#TOP8
Best For Cmt

Cmt 537.222.31 Forstner Bit, 7/8-Inch Diameter, 3/8-Inch Shank

CMT
537.222.31
3.55 X 0.88 X 0.88 Inches
0.15 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

3-35/64-Inch Overall Length, Right-Hand Rotation.

2 spurs, 2 precision ground cutting edges, long-lasting cutting performance

Drill precise flat bottom holes with no chipping in any thickness of soft wood

For drilling holes in any direction and making arched openings

For drilling partially overlapped flat bottom holes or niches used to fix supports

#TOP9
Best For Cmt

Cmt 537.127.31 Forstner Bit, 1/2-Inch Diameter, 3/8-Inch Shank

CMT
537.127.31
3.55 X 0.50 X 0.50 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Routerbitworld 9.93

Features

3-35/64-Inch Overall Length, Right-Hand Rotation.

2 spurs, 2 precision ground cutting edges, long-lasting cutting performance

Drill precise flat bottom holes with no chipping in any thickness of soft wood

For drilling holes in any direction and making arched openings

For drilling partially overlapped flat bottom holes or niches used to fix supports

#TOP10
Best For Cmt

Cmt 537.445.31 Forstner Bit, 1-3/4-Inch Diameter, 3/8-Inch Shank

CMT
537.445.31
6.00 X 2.00 X 2.00 Inches
0.45 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Factory Direct Supply WPB 9.74

Features

3-35/64-Inch Overall Length, Right-Hand Rotation.

2 spurs, 2 precision ground cutting edges, long-lasting cutting performance.

Drill precise flat bottom holes with no chipping in any thickness of soft wood.

For drilling holes in any direction and making arched openings.

For drilling partially overlapped flat bottom holes or niches used to fix supports.

Top 10 long drill bits Brands on Amazon

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

Brand Count
Cmt 10

Top 10 long drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 492 reviews on long drill bits, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select long drill bits priced around $14.60, with top brands including somada, neiko, comoware, baker and bolt, denali, amazon basics, fulton, bosch and drill america and hanshan

Our team of expert editors reviewed these high-quality items and handpicked the top 10 long 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, coneve, awadeals, peachtree woodworking supply inc, tg tools, hanshan, haijier tools and saiper and xintang shengrui trading company, tianhe district .

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 drill bits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.