Best Threaded Spade Drill Bits in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Threaded Spade Drill Bits

IRWIN SPEEDBOR Drill Bit Set for Wood, 4-Inch, 6-Piece (1877239)
#TOP1
Irwin Speedbor Drill Bit Set For Wood, 4-Inch,
9.8
PM SCORE
IRWIN Drill Bit Set for Wood, 3-Piece (3041003)
#TOP2
Irwin Drill Bit Set For Wood, 3-Piece (3041003)
9.8
PM SCORE
Irwin Tools SPEEDBOR Spade Wood Drill Bit 1 X 16 (88716)
#TOP3
Irwin Tools Speedbor Spade Wood Drill Bit 1
9.5
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 Threaded Spade Drill Bits of 2026

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 Drill Bit Set For Wood, 3-Piece (3041003)

IRWIN TOOLS
3041003
10.00 X 6.00 X 1.00 Inches
0.26 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Fits all standard 1/4-Inch quick change chucks

Wood drill bit set features bits with a tri-flute design for faster chip ejection

Cutting spurs have 3 cutting edges for added durability

Full screw tip allows bit to self feed

Grooved hex shank prevents slipping in drill chuck or bit extension

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"

9/16 Speedbor

IRWIN TOOLS
HAN88809
8.25 X 1.90 X 0.25 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

9/16"x6" Speedbor blue groove

Irwin Industrial Tools 87950 Speebor Blue Groove Spade Bit Set, 3-Piece

IRWIN TOOLS
87950
1.20 X 3.75 X 7.25 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Speedbor2000

This product is highly durable

This product is manufactured in China.

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-Percent larger shank for added durability

Grooved hex shank prevents slipping in drill chuck or bit extension

Fits all standard quick change chucks

Irwin Tools 45002 Lockhead Adjustable 7/8-Inch To 3-Inch Adjustable Spade Drill Bit For A Drill Press

IRWIN TOOLS
45002
10.80 X 2.70 X 1.00 Inches
0.45 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Novel Nexus Corporation 7.75

Features

These IRWIN wood drill bits have an adjustable cutting blade that can bore a variety of hole sizes

Each drill bit can cut 19 different-sized holes in 1/8-inch increments

Lockhead screw securely holds blade at a desired boring diameter

7/8" to 3" diameter

6-1/2" overall length with an 11/32" shank

Boring range 7/8" to 3", overall length 6-1/2", drill press shank size 11/32", includes cutters 44233 and 44234 and vinyl pouch

Wedge type blade with a lock and slow-feed screw point

Precision ground shank has three equally spaced flats for use in drill presses having three jaws

spaced flats for use in drill presses having 3 jaw chucks

Speedbor 1877240 Irwin Tools Max Wood Drilling Bits, 4-Inch, 5-Piece

IRWIN
1877240
1.10 X 5.12 X 9.25 Inches
0.45 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Seven Seas Enterprise 5.15

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 Industrial Tool Tv317057 1-3/8" Spade Drill Bit

IRWIN TOOLS
TV317057
8.30 X 1.80 X 0.30 Inches
0.15 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ThrilloftheHunt 9.88

Features

This product is easy to use

This product is highly durable

This product is manufactured in China

Irwin Speedbor Han88808 Spade Bit, 1/2 In

IRWIN TOOLS
88808
8.40 X 9.60 X 0.30 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ThrilloftheHunt 9.87

Features

FLAT BIT 1/2" X 6"

FLAT BIT 1/2" X 6"

FLAT BIT 1/2" X 6"

FLAT BIT 1/2" X 6"

FLAT BIT 1/2" X 6"

Irwin 6-Piece Spade Bit, 1885479

IRWIN TOOLS
1885479
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Contains 3/8", 1/2", 5/8", 3/4", 7/8" and 1" drill spade bits

Blue-Groove point and cutting edge for faster chip removal

Double cutting spurs scribe the outside of the hole to reduce breakout

For 1/4" and larger electric drills

Irwin 88874 Speedbor 3 Piece 1/2-Inch, 3/4-Inch, And 1-Inch Bits Spade Drill Bit Assortment With 6-Inch Quick Change Adapter

IRWIN TOOLS
88874
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
STORE 444 5.51

Features

Patented spur bores faster and leaves a smoother hole

Hex shank fits all drills and 1/4" quick change adapters

Full length heat treatment which prevents bending of the bit in heavy duty applications

Also included is a Quick Change Adapter which allows you to change your bits quickly and easily

1/2", 3/4" and 1" bits

Irwin 13/16" X 6" Speedbor Blue Groove Drill Bit 88813

IRWIN TOOLS
IRW88813
9.00 X 2.00 X 1.00 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MaxWarehouse 9.82

Features

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

Fits all standard quick change chucks

Top 10 spade drill bits Brands on Amazon

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

Brand Count
Irwin Tools 23
Irwin 10

Top 10 spade drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 6,719 reviews on spade drill bits, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select spade drill bits priced around $17.98, with top brands including bosch, behappy, dewalt, irwin, greenworks, wesleydrill, irwin tools, cuttex tools and denali and third goddess

Our team of expert editors reviewed these high-quality items and handpicked the top 12 spade 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 amazon.com, behappy crafts co.,ltd., vera tools, apanaplace, haijier tools, plexsupply., cuttex tools, third goddess and tg tools and amoolo direct .

We are dedicated to assisting our users in finding the right bits Products based on their needs, saving them considerable time when choosing which spade drill bits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.