Best Straight Long Drill Bits in 2026

Daisy
Last Updated: Jul 17, 2026

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

IRWIN Marples Forstner Bit Set, Wood Drill Bits, Made of Carbon Steel, Ideal for Fine Woodworking, Cabinet-making and more, 14 Pieces (1966893)
#TOP1
Irwin Marples Forstner Bit Set, Wood Drill Bits,
9.8
PM SCORE
IRWIN Drill Bit Set, M35 Cobalt Alloy Steel Steel, 29-Piece (3018002)
#TOP2
Irwin Drill Bit Set, M35 Cobalt Alloy Steel
9.8
PM SCORE
IRWIN SPEEDBOR Drill Bit Set for Wood, 4-Inch, 6-Piece (1877239)
#TOP3
Irwin Speedbor Drill Bit Set For Wood, 4-Inch,
9.8
PM SCORE

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Summary of the Best Straight Long Drill Bits of 2026

Irwin Marples Forstner Bit Set, Wood Drill Bits, Made Of Carbon Steel, Ideal For Fine Woodworking, Cabinet-Making And More, 14 Pieces (1966893)

IRWIN TOOLS
1966893
3.20 X 11.60 X 11.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Easily Drills High-Quality Flat-Bottomed And Pocket Holes

Features Optimized Ultra-Sharp Cutting Teeth Specifically Engineered To Cut Through Hard And Soft Woods Smoothly And Efficiently

Significantly Reduces Cutting Time Compared With Traditional Forstner Bits

Reduced Shank Fits 3/8" And Larger Drills And Drill Presses, 1-1/2" (38.1Mm), 1-5/8" (41.2Mm), 2" (50.8Mm) Forstner Bits

Irwin Drill Bit Set, M35 Cobalt Alloy Steel Steel, 29-Piece (3018002)

IRWIN TOOLS
3018002
12.00 X 7.50 X 4.00 Inches
4.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

29 Piece

Cobalt Alloy Steel Drill Bit Set

Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 Degree Split Point To Minimize Walk

5% Cobalt Alloy Steel For Higher Heat & Abrasion Resistance

Heavy Duty Web Construction For Strength & Durability

Irwin Speedbor Drill Bit Set For Wood, 4-Inch, 6-Piece (1877239)

IRWIN TOOLS
1877239
1.22 X 6.10 X 9.25 Inches
0.65 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Three cutting spurs for faster, cleaner holes, less breakout and extended drilling life

Full screw-point tip allows bit to self-feed for ease of drilling

Shorter overall length for drilling in tight spaces. Ideal for holes up to 2" deep

1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills

Irwin 88702 6" Extension Bit.

IRWIN TOOLS
024721887023-IRW
8.40 X 9.00 X 0.80 Inches
0.18 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Length: 6"

Shank Size: 1/4

Irwin Step Drill Bit, 3/16-Inch To 7/8-Inch, Cobalt Alloy Steel, 3/8-Inch Shank (10234Cb)

IRWIN TOOLS
10234CB
3.00 X 1.30 X 6.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Cobalt Alloy Steel high speed steel for extended cutting edge life makes it ideal for drilling stainless steel

Drills 12 different hole sizes, from 3/16" to 7/8" by 16ths

SpeedPoint tip prevents "walking," gets fast starts, and eliminates the need for pilot/starting hole

Single-flute cutting edge drills true round holes with smooth, clean finish

Irwin Tools Black Oxide Countersink Drill Bit, 5-Piece Set (1877791)

IRWIN
1877791
1.00 X 4.63 X 5.25 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Made from industrial grade High-Speed Steel for increased durability. Black oxide finish adds corrosion resistance.

Five-flute design reduces vibration for smoother drilling and extended bit life.

Precision-ground 82-degree tip drills countersink holes into most machinable metals, as well as wood and plastic.

1/4-inch round shank fits all handheld and stationary drills.

Irwin 1890707 Straight Shank Installer Drill Bit For Wood, 18-Inch By 1/4-Inch

IRWIN TOOLS
1890707
18.75 X 7.87 X 7.87 inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

82˚ point for fast, smooth drilling in wood

Hole in flute for easy wire pulling through walls, ceilings and floors

3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling Hole not included on 12" length bits

Premium high carbon steel construction for extended drilling life in wood

Irwin Tools Speedbor Spade Wood Drill Bit 1 X 16 (88716)

IRWIN
88716
16.00 X 1.10 X 0.50 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Florida Tools & Hardware 9.38

Features

drills holes 2x faster. more holes. less time

lasts 2x longer to get more done

chamfered cutting edges for increased durability

patented blue groove parabolic scoop for faster chip removal

"designed for impact drivers with 1/4" impact rated shank"

Irwin 39108 1/2-Inch By 18-Inch Installer Twist Drill Bit

IRWIN TOOLS
39108
18.00 X 2.00 X 1.00 Inches
0.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MaxWarehouse 9.82

Features

This product is easy to use.

This product is highly durable

This product is manufactured in China

18" long, 1/2" diameter, .370" shank

Hole in flute (head) makes it easy to pull wires through hole in wall

Boring action is faster, smoother, cleaner in most every material encountered in wiring installations

Longer flute section for deeper boring

Special flute finishing process assures quick chip removal, no clogging, no binding

Irwin Auger Drill Bit For Wood 1/2 In. X 7.5 In. (Iwax3015)

IRWIN TOOLS
IWAX3015
8.10 X 1.00 X 1.20 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

CHARGE THROUGH NAIL-EMBEDDED WOOD: High-speed steel cutting edge maintains its sharpness

FAST, HIGH-PERFORMANCE DRILLING: Pull through material with speed and ease with an aggressive parabolic screw tip

EXTENDED BIT LIFE: Re-sharpenable blade

CONVENIENT BIT CHANGES: 3/8 in. quick change hex

IMPROVED CORROSION RESISTANCE: Features black oxide coating

Giantpix Bundle Of Irwin Tools Marples Wood Drilling Forstner Bit Set Of 5 Pc Sizes: 1/4, 1/2, 3/4, 1 & 1-1/8 Inch Woodworking Tools For Professional, Home Improvement & Diy Woodworking Drill Projects

GIANTPIX
1966931 1966894 1966896 1966898 1966900
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Healthy Mindset 2020 5.05

Features

5-piece IRWIN Marples 3-1/2" long drill bits for wood forstner bit set in sizes 1/4" (1966894), 1/2" (1966896), 3/4" (1966898), 1" (1966900), 1-1/8" (1966931) for versatile woodworking projects.

The forstner bit set for wood constructed of tough carbon steel to stay sharp for creating precise pocket holes & flat-bottomed holes in wood for tasks such as mortise and tenon joints and doweling.

The forster bites set, woodworking tools and wood drill bit set are perfect for both professional and DIY woodworking projects to cut through hard and soft woods smoothly and efficiently.

The flat-bottomed design of the wood forstner bit allows for easy drilling on wood countertop. Forstner drill bits for wood are perfect for drilling deep, clean holes in wood.

These foster drill bit set are durable high-speed steel construction for long-lasting performance. Forstner bits ideal for fine woodworking, cabinet-making, and more.

Irwin 326003 3/16 X 4-1/2 X 6 Straight Shank Masonry Bit

IRWIN TOOLS
326003
1.88 X 0.25 X 8.69 Inches
0.08 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MaxWarehouse 9.82

Features

Drill bit fits most hammer drills with a 3-jaw or Jacobs chuck

Masonry bit has a chrome vanadium shaft that's through-hardened to 50-53HrC

Flute geometry removes dust from the hole quickly for fast drilling and long life

Drill bits feature a shot-peened, double-tempered finish that reduces breakage

Hot isostatically pressed design to extend life and resist breakage

Round Shank fits all hammer drills with 3-jaw chuck

Carbide Tip design removes dust fast for long life

Copper braze material gives high heat resistance

Shot-peened, double tempered finish reduces breakage

Chrome Vanadiam Spring Steel Shaft

Top 10 long drill bits Brands on Amazon

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

Brand Count
Irwin Tools 25
Irwin 8
Giantpix 1

Top 10 long drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 14,439 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 $41.66, 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 12 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.