Best Straight Long Drill Bits in 2026

Daisy
Last Updated: Feb 6, 2026

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

Irwin 88702 6" Extension Bit.
#TOP1
Irwin 88702 6" Extension Bit.
9.8
PM SCORE
IRWIN 1890707 Straight Shank Installer Drill Bit for Wood, 18-Inch by 1/4-Inch
#TOP2
Irwin 1890707 Straight Shank Installer Drill Bit For
9.6
PM SCORE
IRWIN Step Drill Bit, 1/8-Inch to 1/2-Inch Step, 1/4-Inch Shank (10231) Silver|Silver metallic
#TOP3
Irwin Step Drill Bit, 1/8-Inch To 1/2-Inch Step,
9.6
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

Market Overview
Straight Long Drill Bits Reviewed
  • Reviews Analyzed: 4267 Items
  • PM Avg. Rating: 6.3 / 10
23 Products Evaluated
  • Highest Price: $74.48
  • Lowest Price: $4.49
  • Avg. Price: $28.26

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 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 Step Drill Bit, 1/8-Inch To 1/2-Inch Step, 1/4-Inch Shank (10231) Silver|Silver Metallic

IRWIN TOOLS
10231
3.10 X 0.80 X 6.10 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

STEP DRILL #1 1/8-1/2" 13 SZ

STEP DRILL #1 1/8-1/2" 13 SZ

STEP DRILL #1 1/8-1/2" 13 SZ

STEP DRILL #1 1/8-1/2" 13 SZ

STEP DRILL #1 1/8-1/2" 13 SZ

Save time because you don't need to change drills for different-sized round holes in thin materials. Each drill acts as a pilot for the next size.

Patented single-flute cutting edge gives greater control through steps and a true round hole every time.

Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.

SpeedPoint tip penetrates faster than previous Unibits and prevents walking. 3-faltted hex shank prevents slipping in drill chuck.

Drill diameters etched in flute for easy identification.

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 Tools Impact Performance Series Power Drill Right-Angle Drive Adapter 1/4-Inch Shank, (1902386)

IRWIN
1902386
1.46 X 3.75 X 10.00 Inches
0.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TruckloadTools 5.73

Features

Built for maximum durability and long life with impact drivers

Low profile right angle attachement for accessing tight spots

Chuck accepts all standard 1/4" hex shank accessories

Constructed with steel gears and ball bearing drive for smooth drilling and long life

1/4" quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks

Irwin 1890721 Straight Shank Installer Drill Bit For Wood, 36-Inch By 3/8-Inch

IRWIN TOOLS
1890721
36.73 X 7.87 X 7.87 Inches
1.00 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 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 Tools 49615 Brad Point Drill Bit, 5/16"

IRWIN TOOLS
49615
8.50 X 2.00 X 0.25 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Brad Point Drill Bits

Brad point tip provides accurate positioning for starting the hole

Bit is precision ground for use in furniture making, doweling, cabinetry, and other woodworking applications where an exact hole size is required

Spur cutting edges reduce splintering and ensure a smooth, clean hole

Wide flutes provide a fast, continuous flow of chips

Irwin Tools 1837379 Impact Performance Series Insert Square Drive Bit #1 (2 Pack)

IRWIN
1837379
0.38 X 1.88 X 4.69 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ThrilloftheHunt 9.88

Features

These drill bits are built for maximum durability and long life with impact drivers

Each drill bit is manufactured with heavy-duty, cold-forged, high-grade steel

The screwdriver bits can withstand high-torque output

Precision-tip geometry on the insert bits delivers superior fitment with reduced stripping and cam-out

A black oxide finish resists corrosion to help increase the life of each insert bit

Irwin Tools 43805 Auger Bit Extensions, 18"

IRWIN
43805
18.75 X 1.00 X 1.00 Inches
0.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Auger Bit Extensions

Extension adds 18" to regular bit length

Six-flatted shank provides better chuck grip and reduces slippage

Hex key included

Irwin Tools 99708 Extra-Long Spade Bit, 1/2", 16"

IRWIN
585-99708
16.50 X 2.25 X 0.09 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Extra-Long Spade Bits

Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits

Double cutting spurs scribe the outside of the hole reducing breakout

10% larger shank for added durability

Grooved hex shank prevents slipping in drill chuck or bit extension

Irwin 1890766 Flexible Installer Drill Bit With Auger Tip, 1 1/4-Inch Shank, 72-Inch Length

IRWIN TOOLS
1890766
1.65 X 3.07 X 77.56 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MHS Inc 9.82

Features

Screw tip with aggressive pitch delivers easy starts and fast drilling Show as "Type B" tip icon on packaging

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

Tapered flute for faster chip ejection, less binding and smoother drilling Does not apply to 1/4" diameter SKUs

Premium high carbon steel construction for extended drilling life in wood

Irwin 39105 Installer Drill Bits

IRWIN TOOLS
39105
21.21 X 2.54 X 1.91 Inches
0.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ThrilloftheHunt 9.88

Features

5/16" x 18"

This product is highly durable

This product is manufactured in China

18" long, 5/16" diameter, .285" 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

Irwin Tools 327001 Sds-Max To Speedhammer Plus Masonry Drill Bit Adapters

IRWIN
327001
1.50 X 1.25 X 1.25 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Old Dominion Liquidation 9.55

Features

This adapter enables you to use an SDS-Max shank drill bit in Speedhammer Plus rotary hammers

High-carbon steel construction, heat treated and tempered for long life

Shot-peened, double-tempered finish reduces breakage and extends bit life

Tip design of IRWIN masonry bits enhances dust removal and provides symmetrical holes. Copper brazing resists heat and reduces tip loss

Irwin Tools 48213 Wood Auger Bit 13/16" X 24"X 7/16" Hex

IRWIN TOOLS
48213
25.50 X 1.75 X 0.42 Inches
1.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Auger bit has a medium-fast screw point for general wood-boring applications

These auger bits have an extra-long twist for boring large poles, construction timbers and more

Each auger drill bit has a hex shank design for use in impact-wrench drills

A full-length heat treatment guards against bending in heavy-duty applications and strengthens the twist where the greatest strain occurs

Single spur, cutter and side lip bore through creosoted poles with minimal clogging, binding or stopping to clear chips

Irwin Tools 3046002 Speedbor Max Self-Feed Wood Bit Extension, 12" , Black

IRWIN TOOLS
3046002
14.50 X 1.80 X 0.30 Inches
0.90 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Adds 12 inches to SPEEDBOR Max Self-Feed wood drilling bits.

Forged in one piece from high carbon steel for maximum strength under tough drilling conditions.

Precision-milled shank eliminates run-out and wobble.

Drill bits have 3 cutting edges that are hardened for durability and long life in tough materials

Drill bits feature replaceable screw-point tips that pull the drill bit fast for clean, true holes

Drill bit has an aggressive screw pitch

7/16-inch hex impact shank reduces slipping in standard chucks

IRWIN drill bit extension is compatible with most 7/16-inch impact drills

Irwin Tools 47012 Power Drill Power Pole Auger Bits, 5/8" Shank, 3/4" Diameter, 29" Total Length, Single

IRWIN TOOLS
47012
37.00 X 2.00 X 0.50 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hugo's Online 9.55

Features

Power Drill Power Pole Auger Bits

Single spur, cutter and side lip design bore through creosoted poles without clogging, binding, or stopping to clear chips

Extra-long twist is ideal for boring large poles, construction timbers and for multiple timber applications

All bits feature 7/16'' adaptable hex shank

Simply remove it to use round shank

Irwin Tools 47009 Power Drill Power Pole Auger Bits, 7/16" Shank, 9/16" Diameter, 29" Total Length, Single

IRWIN TOOLS
47009
31.25 X 1.50 X 0.42 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Westcarb Products 8.48

Features

These auger bits use a medium-fast screw point that is great for general wood-drilling applications

Each auger bit has an extra-long twist for drilling in large poles, construction timbers and more

Each auger drill bit has a 7/16-inch adaptable hex shank that can be removed to use a round shank

Auger bits have a cutting spur that scribes the outside of the hole during drilling for a smooth, clean hole

Bit can be resharpened

Irwin Tools Flexible Installer Drill Bit With Auger Tip, 3/4-Inch Shank, 36-Inch Length

IRWIN
1890753
0.79 X 3.07 X 39.72 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MHS Inc 9.82

Features

Screw tip with aggressive pitch delivers easy starts and fast drilling Show as "Type A" tip icon on packaging

Dual spurs for faster, cleaner holes and less breakout

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

Tapered flute for faster chip ejection, less binding, and smoother drilling Does not apply to 1/4" diameter SKUs

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 Tools Iwax3008 Auger Bit 3/4In X 18In Speedbor Supreme

IRWIN TOOLS
IWAX3008
18.60 X 1.00 X 1.20 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Mario tools 5.41

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: 7/16 in. quick change hex for joist drills

IMPROVED CORROSION RESISTANCE: Features black oxide coating

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 15
Irwin 7
Giantpix 1

Top 10 long drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 4,267 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 $28.26, 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 23 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.